Names in green are nicknames. Names in italics are synonyms. Type= a/p, for example, indicates that the plant is grown as an annual in some zones and as a perennial in others. Only representative or most popular species are included within each of the genera listed. For species not listed, select the seed sowing instructions for any species of the same type, i.e. an, ha, hha, bi, bip, or a/p within that genus.
Nama demissum,,, Type=an, direct sow outdoors in Mar., thin to 4"
Nemesia cheiranthus , , ,Type= an , , sow @ 55 to 60ºF, hold constant w/o rise , 7-21d , resents transplanting
Nemesia floribunda , , ,Type= an , , sow @ 55 to 60ºF, hold constant w/o rise , 7-21d , resents transplanting
Nemesia foetens , , ,Type= an , , sow @ 55 to 60ºF, hold constant w/o rise , 7-21d , resents transplanting
Nemesia fruticans , , ,Type= a/p , , sow @ 55 to 60ºF, hold constant w/o rise , 7-21d , resents transplanting
Nemesia strumosa , , ,Type= an , , sow @ 55 to 60ºF, hold constant w/o rise , 7-21d , resents transplanting
Nemesia versicolor , , ,Type= an , , sow @ 55 to 60ºF, hold constant w/o rise , 7-21d , resents transplanting
Nemophila atomaria , , N. menziesii var. atomaria,Type= an , , sow @ 65ºF , 7-21d , grow on @ 55 to 60ºF
Nemophila discoidalis , , N. menziesii var. discoidalis,Type= an , , sow @ 65ºF , 7-21d , grow on @ 55 to 60ºF
Nemophila maculata , fivespot , ,Type= an , , sow @ 65ºF , 7-21d , grow on @ 55 to 60ºF
Nemophila menziesii , baby blue eyes , ,Type= an , , sow @ 65ºF , 7-21d , grow on @ 55 to 60ºF
Nepeta cataria , catnip , ,Type= a/p , , sow @ 70ºF , 7-14d , weedy
Nicandra physalodes , shoo fly plant , Atropa physalodes, Physalodes peruvianum,Type= hha , , sow @ 70ºF , 7-14d
Nicandra violacea, shoo fly plant,, Type=hha, sow @ 70ºF, 7-14d
Nicotiana acuminata , manyflower tobacco , ,Type= an , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d
Nicotiana alata , flowering tobacco , ,Type= an , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d ,
Nicotiana antennaria , , ,Type= an , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d ,
Nicotiana attenuata , coyote tobacco , ,Type= an , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d ,
Nicotiana bigelovii , Bigelow's tobacco , ,Type= an , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d ,
Nicotiana knightiana , , ,Type= a/p , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d ,
Nicotiana langsdorfii , Langsdorff's tobacco , ,Type= an , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d ,
Nicotiana rustica , wild tobacco , ,Type= an , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d ,
Nicotiana sylvestris , South American tobacco , ,Type= an , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d ,
Nicotiana tabacum , cultivated tobacco , N. gigantea,Type= a/b , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d
Nicotiana trigonophylla , , ,Type= an , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d ,
Nicotiana x sanderae , Sander's tobacco , ,Type= an , , surface sow @ 73ºF in light, grow on @ 65ºF , 7-14d, cross betw. N. alata + N. forgetiana
Nierembergia caerulea , cup flower, ,Type= a/p , , sow @ 70ºF, allow no drop in temp. , 7-14d
Nierembergia hippomanica , dwarf cupflower , ,Type= a/p , , sow @ 70ºF, allow no drop in temp. , 7-14d ,
Nigella arvensis , , N. aristata,Type= an , , sow @ 70ºF, or direct sow in the fall , 7-14d , resents transplanting
Nigella ciliaris , , ,Type= an , , sow @ 70ºF, or direct sow in the fall , 7-14d , resents transplanting
Nigella damascena , love in a mist , ,Type= an , , sow @ 70ºF, or direct sow in the fall , 7-14d , resents transplanting
Nigella garidellla , , ,Type= an , , sow @ 70ºF, or direct sow in the fall , 7-14d , resents transplanting
Nigella hispanica , Spanish fennel , ,Type= an , , sow @ 70ºF, or direct sow in the fall , 7-14d , resents transplanting
Nigella orientalis , , ,Type= an , , sow @ 70ºF, or direct sow in the fall , 7-14d , resents transplanting
Nigella sativa , black cumin , ,Type= an , , sow @ 70ºF, or direct sow in the fall , 7-14d , resents transplanting
Nolana humifusa , , N. prostrata ,Type= a/p , , sow @ 70ºF , 7-14d ,
Nolana napiformis , , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Nolana paradoxa , blue bird , N. atriplicifolia,Type= an , , sow @ 70ºF , 7-14d ,
Ocimum americanum , sweet basil , ,Type= a/p , , sow in light @ 70ºF , 5-10d ,
Ocimum basilicum , basil , O. bullatum,Type= an , , sow in light @ 70ºF , 5-10d ,
Ocimum basilicum micranthemum , sweet basil , ,Type= a/p , , sow in light @ 70ºF , 5-10d ,
Ocimum kilimandscharicum , hoary basil , ,Type= a/p , , sow in light @ 70ºF , 5-10d ,
Ocimum tenuiflorum , , ,Type= a/p , , sow in light @ 70ºF , 5-10d ,
Oenothera biennis , common evening primrose , Onagra biennis,Type= bi , , surface sow @ 70ºF in light, if no germ in 3 wks, move to 39ºF for 4 wks, recycle , 7-28d , invasive weed
Oenothera brevipes , golden suncup , Camissonia brevipes ssp. brevipes ,Type= an , , sow @ 70ºF , 7-14d ,
Oenothera deltoides , birdcage eveningprimrose , ,Type= an , , sow @ 70ºF , 7-14d
Oenothera drummondii , beach eveningprimrose , Raimannia drummondii,Type= a/p , , sow @ 70ºF , 7-14d
Oenothera glazioviana , redsepal eveningprimrose , ,Type= bi , , sow @ 70ºF , 7-14d
Oenothera laciniata , ragged evening primrose , O. sinuata,Type= bi , , sow @ 70ºF , 7-14d
Oenothera mollis , , O. mollissima,Type= bi , , sow @ 70ºF , 7-14d ,
Oenothera pilosella, prairie sundrops, , Type=bi, , sow @ 70ºF, 7-14d
Oenothera rhombipetala, sand primrose, Raimannia rhombipetala, Type=bi, , sow @ 70ºF, 7-14d
Oenothera rosea , rose eveningprimrose , Hartmannia rosea,Type= a/p , , sow @ 70ºF , 7-14d
Oenothera stricta , Chilean eveningprimrose , ,Type= a/b , , sow @ 70ºF , 7-14d
Omphalodes linifolia , whiteflower navelwort , Cynoglossum linifolium,Type= an , , sow @ 70ºF , 3-10d
Onopordum acanthium , scotch thistle , ,Type= bi , , sow @ 39ºF, germ. erratic, often many months , 30-180d ,
Onopordum nervosum , , ,Type= bi , , sow @ 39ºF, germ. erratic, often many months , 30-180d
Onoseris reflexa,, Centroclinium reflexum, Type=an, sow @ 65 to 70ºF, thin to 6"
Onosma echioides, golden drop,, Type=bi, sow in coldframe in Apr., overwinter in 5" pots, set out the following Apr.
Origanum majorana , sweet marjoram , ,Type= a/p , , sow @ 70ºF in light , 7-14d
Origanum vulgare , oregano , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Ornithogalum caudatum , star of bethlehem , ,Type= a/p , , sow 4 wks @ 68ºF, if no germ. 4 wks @ 39ºF, recycle , 15-30d
Orostachys spinosa , , ,Type= bi , , sow @ 70ºF , 3-10d
Orthocarpus purpurascens, owls' clover,, Type=an, direct sow outdoors in Apr., thin to 6"
Orychophragmus violaceus , , Moricandia violaceus,Type= bi , , sow in darkness @ 70ºF , 7-21d
Osteospermum clandestinum , , ,Type= an , , sow in light @ 65ºF , 10-15d
Osteospermum hyoseroides , , Tripteris hyoseroides,Type= an , , sow in light @ 65ºF , 10-15d
Osteospermum microcarpum , , ,Type= an , , sow in light @ 65ºF , 10-15d ,
Osteospermum pinnatum , , ,Type= an , , sow in light @ 65ºF , 10-15d ,
Oxalis stricta , common wood sorrel , O. corniculata,Type= an , , sow @ 65ºF , 14-60d
Oxalis valdiviensis , , O. valdiviana,Type= an , , sow @ 65ºF , 14-60d
Oxypetalum caeruleum , , Tweedia caeruleum ,Type= a/p , , sow in light @ 71ºF , 7-14d
Palaua dissecta,, P. flexuosa, Type=an, sow @ 65 to 70ºF, thin to 4"
Panicum capillare , old witch grass , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d , invasive weed
Panicum violaceum , , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d ,
Papaver aculeatum , poppy, ,Type= an , , sow @ 60ºF in the dark , 7-14d
Papaver argemone , long pricklyhead poppy , ,Type= an , , sow @ 60ºF in the dark , 7-14d ,
Papaver commutatum , , ,Type= an , , sow @ 60ºF in the dark , 7-14d ,
Papaver dubium , blindeyes , ,Type= an , , sow @ 60ºF in the dark , 7-14d ,
Papaver laciniatum , , ,Type= an , , sow @ 60ºF in the dark , 7-14d ,
Papaver nudicaule , Icelandic poppy , ,Type= a/b , , sow @ 60ºF in the dark , 7-14d ,
Papaver paeoniflorum , , P. somniferum var. paeoniflorum,Type= an , , sow @ 60ºF in the dark , 7-14d ,
Papaver rhoeas , shirley poppy , ,Type= an , , sow @ 60ºF in the dark , 7-14d , invasive weed
Papaver somniferum , common poppy , ,Type= an , , sow @ 60ºF in the dark , 7-14d , weedy
Papaver triniifolium , , ,Type= bi , , sow @ 60ºF in the dark , 7-14d
Pedicularis mollis, lousewort, wood betony,, Type=an, direct sow outdoors in Sept., thin to 6"
Pelargonium chamaedrifolium , , ,Type= a/b , , sow @ 73ºF , 7-14d ,
Pelargonium grossularoides , gooseberry geranium , ,Type= a/p , , sow @ 73ºF , 7-14d
Pelargonium nanum , , ,Type= an , , sow @ 73ºF , 7-14d ,
Pelargonium peltatum , ivy geranium , ,Type= an , , sow @ 73ºF , 7-14d ,
Pelargonium senecioides , , ,Type= a/p , , sow @ 73ºF , 7-14d ,
Pelargonium x hortorum , geranium , ,Type= an , , sow @ 73ºF , 7-14d ,
Pennisetum americanum , American fountaingrass , ,Type= an , , sow @ 75ºF , 7-14d ,
Pennisetum villosum , feathertop , ,Type= a/p , , sow @ 75ºF , 7-14d ,
Penstemon barbatus , beardlip penstemon , ,Type= a/p , , sow @ 39ºF, or direct sow outdoors , 20-180d ,
Penstemon hartwegii , Hartweg's penstemon , ,Type= a/p , , sow @ 39ºF, or direct sow outdoors , 20-180d
Penta lanceolata , star-cluster , P. carnea ,Type= a/p , , sow in light @ 71ºF , 5-12d
Perezia multiflora,,, Type=a/p, sow @ 60 to 65ºF, 10-20d
Perilla frutescens , beefsteak plant , Ocimum frutescens, P. ocymoides,Type= an , , sow in light @ 70ºF , 15-30d
Petrea volubilis , queen's wreath , ,Type= a/p , , sow @ 75ºF , 7-14d ,
Petrorhagia nanteuillii , proliferous pink , ,Type= an , , sow @ 70ºF , 7-14d ,
Petroselinum crispum , parsley , ,Type= bi , , sow @ 70ºF , 7-14d ,
Petroselinum neapolitum , parsley , ,Type= bi , soak o/n , sow @ 70ºF , 7-14d ,
Petunia hybrida grandiflora , petunia , ,Type= an , , surface sow @ 77ºF in light, grow on @ 55-60ºF , 10-15d ,
Petunia hybrida multiflora , petunia , ,Type= an , , surface sow @ 77ºF in light, grow on @ 55-60ºF , 10-15d ,
Petunia x hybrida , garden petunia , ,Type= an , , surface sow @ 77ºF in light, grow on @ 55-60ºF , 10-15d
Phacelia campanularia , desertbells , P. minor var. campanularia,Type= an , , sow in darkness @ 60ºF , 12-30d
Phacelia congesta , caterpillars , P. conferta,Type= an , , sow in darkness @ 60ºF , 12-30d
Phacelia distans , distant phacelia , ,Type= an , , sow in darkness @ 60ºF , 12-30d ,
Phacelia grandiflora , largeflower scorpionweed , P. whitlavia,Type= an , , sow in darkness @ 60ºF , 12-30d
Phacelia minor , wild canterbury bells , ,Type= an , , sow in darkness @ 60ºF , 12-30d ,
Phacelia parryi , Parry's scorpionweed , ,Type= an , , sow in darkness @ 60ºF , 12-30d ,
Phacelia sericea , silky phacelia , ,Type= bip , , sow in darkness @ 60ºF , 12-30d
Phacelia tanacetifolia , lacy scorpionweed or fiddleneck, P. tripinnata,Type= an , , sow in darkness @ 60ºF , 3-30d ,
Phacelia viscida , tacky scorpionweed , Eutoca viscida,Type= an , , sow in darkness @ 60ºF , 12-30d ,
Phalaris canariensis , canary grass , ,Type= an , , sow @ 70ºF , 7-14d , grow on @ 60ºF
Phalaris minor , littleseed canarygrass , ,Type= an , , sow @ 70ºF , 7-14d , grow on @ 60ºF
Phaseolus vulgaris , green bean , ,Type= an , , direct sow @ 70ºF , 7-14d ,
Phlox drummondii , garden phlox , ,Type= hha , , sow @ 63ºF in the dark , 7-14d , grow on @ 50 to 55ºF
Phlox pilosa , sand prairie phlox , ,Type= an , , sow @ 63ºF in the dark , 7-14d , grow on @ 50 to 55ºF
Pholistoma auritum, fiesta flower, Nemophila aurita, Type=an, sow @ 60 to 65ºF, 7-14d
Phyllopodium capitatum,,, Type=a/p, sow @ 60 to 65ºF, thin to 4"
Physalis ixocarpa , tomatillo, ground cherry , ,Type= an , , sow @ 75ºF , 10-20d ,
Physalis peruviana , Peruvian groundcherry , ,Type= a/p , , sow @ 75ºF , 10-20d
Physalis philadelphica , Mexican groundcherry , ,Type= an , , sow @ 75ºF , 10-20d ,
Physalis pruinosa , strawberry tomato , ,Type= an , , sow @ 75ºF , 10-20d ,
Pimpinella anisum , anise , ,Type= an , , sow @ 70ºF , 7-14d , grow on @ 60ºF
Pisum sativum , garden pea , ,Type= an , , direct sow @ 68ºF , 7-14d ,
Plantago coronopus , buckhorn plantain , ,Type= a/p , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d ,
Plantago patagonica , woolly plantain , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d ,
Plantago psyllium , whorled plantain , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d
Platystemon californicus, cream cups, P. leiocarpus, Type=an, direct sow outdoors in Mar., thin to 4"
Plectritis congesta,, Valerianella congesta, Type=an, direct sow outdoors in Mar., thin to 6"
Pluchea camphorata, marsh-fleabane,, Type=an, sow @ 65 to 70ºF, grow on @ 55 to 65ºF, thin to 18"
Plumbago caerulea, leadwort,, Type=an, sow @ 65 to 70ºF, pinch, grow on in shade.
Podolepis canescens , , P. affinis,Type= an , , sow in light @ 65 to 70ºF , 21-30d
Podolepis gracilis , , ,Type= an , , sow in light @ 65 to 70ºF , 21-30d ,
Polanisia dodecandra , clammy weed , P. graveolens ,Type= an , , sow in darkness @ 70ºF , 2-10d
Polanisia trachysperma,,, Type=an, sow @ 65 to 70ºF
Polemonium caeruleum , Jacob's ladder , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Polygala incarnata, pink milkwort, , Type=an, , sow @ 70ºF, 7-14d
Polygala polygama v. obtusata, purple milkwort, , Type=bi, sow @ 70ºF, 7-14d
Polygala sanguinea, blood milkwort, P. viridescens, Type=an, sow @ 70ºF, 7-14d
Polygala verticillata v. isocycla, whorled milkwort, , Type=an, sow @ 70ºF, 7-14d
Polygonella articulata,, Delopyrum articulatum, Type=an, direct sow outdoors in Mar., thin to 12"
Polygonum capitatum , pinkhead smartweed , ,Type= an , , sow @ 70 to 75ºF , 21-60d , adjust mix for sharp drainage
Polygonum fagopyrum , fagopyrum , Fagopyrum esculentum ,Type= an , , sow @ 70 to 75ºF , 21-60d , adjust mix for sharp drainage
Polygonum hydropiper , water pepper , ,Type= an , , sow @ 70 to 75ºF , 21-60d , adjust mix for sharp drainage, weedy
Polygonum orientale , prince's feather , Persicaria orientalis,Type= a/p , , sow @ 70 to 75ºF , 21-60d , adjust mix for sharp drainage
Polygonum perfoliatum , Asiatic tearthumb , ,Type= an , , sow @ 70 to 75ºF , 21-60d , adjust mix for sharp drainage
Polygonum tataricum , green buckwheat , Fagopyrum tataricum ,Type= an , , sow @ 70 to 75ºF , 21-60d , adjust mix for sharp drainage
Polypteris hookeriana,, Palafoxia hookeriana, Othake hookeriana, O. sphacelatum, Type=an, sow @ 60 to 65ºF
Porana racemosa, snow creeper,, Type=hha, sow @ 70 to 75ºF, grow on @ 60 to 65ºF, thin to 12"
Porophyllum ruderale ssp macrocephalum , yerba porosa , ,Type= a/p , , sow @ 70ºF , 7-10d
Portulaca grandiflora , rose moss , ,Type= an , , sow in light @ 70 to 85ºF , 14-21d ,
Portulaca oleracea , purslane , ,Type= an , , sow in light @ 70 to 85ºF , 14-21d , invasive weed
Portulaca pilosa , kiss me quick , ,Type= an , , sow in light @ 70 to 85ºF , 14-21d
Prenia sladeniana,, Mesembryanthemum sladenianum, Type=an, sow @ 65 to 70ºF, grow on @ 60 to 65ºF
Primula floribunda, buttercup primrose,, Type=a/p, surface sow @ 55 to 60ºF, 15-25d
Primula malacoides, fairy primrose,, Type=a/p, surface sow @ 55 to 60ºF, 15-25d
Proboscidea fragrans , ram's horn , Martynia frangrans,Type= an , , sow @ 70ºF , 15-40d ,
Proboscidea louisianica , unicorn plant , P. jussieui,Type= an , , extract seed from pod, sow @ 70ºF , 10d
Quamoclit coccinea, star glory, Ipomoea coccinea, Type=an, sow @ 65 to 70ºF, 7-14d
Ranunculus aquatilis , whitewater crowfoot , ,Type= a/p , , sow @ 70ºF , 30-45d
Ranunculus arvensis , corn buttercup , ,Type= an , , sow @ 70ºF , 30-45d ,
Ranunculus asiaticus , , ,Type= a/p , , sow @ 70ºF , 30-45d ,
Ranunculus ophioglossifolius , , ,Type= an , , sow @ 70ºF , 30-45d ,
Ranunculus sceleratus , cursed buttercup , ,Type= an , , sow @ 70ºF , 30-45d ,
Raphanus sativus , radish , ,Type= an , , direct sow @ 50ºF , 7-14d ,
Ratibida columnifera , Mexican hat , ,Type= a/p , , sow 9 wks @ 39ºF, germ. at 80ºF , 7-14d ,
Ratibida pinnata , prairie coneflower , ,Type= a/p , , sow 9 wks @ 39ºF, germ. at 80ºF , 7-14d
Reseda alba , dyer's rocket , ,Type= a/p , , sow in light @ 70ºF , 7-14d ,
Reseda lutea , yellow mignonette , ,Type= bi , , sow in light @ 70ºF , 7-14d ,
Reseda luteola , weld , ,Type= a/p , , sow in light @ 70ºF , 7-14d ,
Reseda odorata , mignonette , ,Type= an , , sow in light @ 70ºF , 7-14d ,
Rhinanthus minor , little yellowrattle , ,Type= an , , direct sow fresh seed outdoors , variable
Rhodanthe charsleyae , , ,Type= an , , sow @ 75 to 80ºF , 14-30d ,
Rhodanthe chlorocephala , , ,Type= an , , sow @ 75 to 80ºF , 14-30d ,
Rhodanthe citrina , , ,Type= an , , sow @ 75 to 80ºF , 14-30d ,
Rhodanthe manglesii , , ,Type= an , , sow @ 75 to 80ºF , 14-30d ,
Rhodanthe polygalifolia , , ,Type= an , , sow @ 75 to 80ºF , 14-30d ,
Rhodanthe sterilescens , , ,Type= an , , sow @ 75 to 80ºF , 14-30d ,
Rhodanthe stricta , , ,Type= an , , sow @ 75 to 80ºF , 14-30d
Rhodochiton volubile, purple bells,, Type=a/p, sow @ 60 to 65ºF, irregular 12-40d
Rhynchosia phaseoloides , semilla de chintallahua , ,Type= a/p , nick + soak 2/n , sow @ 72ºF , 7-14d
Ricinus communis , castor bean , ,Type= a/p , nick + soak 2/n , sow @ 60ºF , 7-14d
Ricotia lunaria,,, Type=an, direct sow outdoors in Mar., thin to 4"
Roemeria refracta,,, Type=an, direct sow outdoors in Mar., thin to 6"
Rudbeckia hirta , black eyed susan , R. flava,Type= a/b , , sow @ 70ºF , 7-14d , invasive weed
Rudbeckia occidentalis , Western coneflower , ,Type= a/b , , sow @ 70ºF , 7-14d
Rumex cordatus , , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Rumex dentatus , toothed dock , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Rumex maritimus , golden dock , ,Type= an , , sow @ 70ºF , 7-14d ,
Rumex vesicarius , , ,Type= an , , sow @ 70ºF , 7-14d
Sabatia angularis , rosepink , ,Type= a/p , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d
Sabatia dodecandra,, S. chloroides, Type=a/p, sow @ 55 to 60ºF, thin to 9"
Salpiglossis sinuata , painted tongue , S. grandiflora, S. hybrida, S. variabilis,Type= an , , sow in darkness @ 70ºF , 15-30d
Salvia argentea , silver sage , S. patula,Type= bi , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia carduacea , thistle sage , ,Type= ha , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia coccinea , scarlet sage , S. rosea,Type= a/p , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia columbariae , chia , ,Type= hha , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia farinacea , mealycup sage , ,Type= a/p , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia forskaohlei , indigo woodland sage , ,Type= bi , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia hispanica , Spanish sage , ,Type= hha , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia patens , , ,Type= a/p , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia reflexa , Rocky mountain sage , ,Type= an , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia sclarea , clary sage , ,Type= bip , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF, weedy
Salvia splendens , scarlet sage , ,Type= an , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia tiliifolia , lindenleaf sage , ,Type= a/p , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia viridis , , S. horminum ,Type= a/b , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Salvia x superba , , ,Type= a/p , , surface sow 4 wks @ 68ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d , grow on @ 60ºF
Sanguisorba poterium , salad burnet , ,Type= a/p , , surface sow @ 70ºF in light , 7-14d
Sanvitalia procumbens , creeping zinnia , ,Type= an , , surface sow @ 70ºF , 7-14d
Saponaria calabrica , soapwort, S. multiflora,Type= an , , sow @ 39ºF, after 3 wks, move to 70ºF , 10-21d
Satureja hortensis , summer savory , Calamintha hortensis,Type= an , , surface sow @ 70ºF in light , 7-14d , grow on @ 60ºF
Saxifraga cymbalaria, ivy leaf saxifrage,, Type=an, direct sow outdoors in Sept.
Saxifraga florulenta,,, Type=bi, direct sow outdoors in Sept.
Scabiosa atropurpurea , mourning bride , S. major, S. maritima, S. calyptocarpa,Type= an , , sow @ 70ºF , 10-15d ,
Scabiosa japonica v alpina , , ,Type= bi , , sow @ 70ºF , 10-15d ,
Scabiosa prolifera , Carmel daisy, ,Type= an , , sow @ 70ºF , 10-15d ,
Scabiosa stellata , starflower pincushions , ,Type= an , , sow @ 70ºF , 10-15d ,
Schizanthus candidus , butterfly flower, ,Type= an , , sow @ 60 to 75ºF , 7-14d
Schizanthus hookeri , butterfly flower, ,Type= an , , sow @ 60 to 75ºF , 7-14d
Schizanthus pinnatus , poorman's orchid , S. grandiflorus, S. papilionaceus, S. porrigens,Type= an , , sow @ 60 to 75ºF , 7-14d ,
Schizanthus wisetonensis , , ,Type= an , , sow @ 60 to 75ºF , 7-14d, cross betw. S. pinnatus + S. Grahamii
Schizonepeta tenuifolia , Japanese catnip , ,Type= an , , sow @ 70ºF in the dark , 7-14d
Schizopetalon walkeri , , ,Type= an , , sow in darkness @ 60 to 65ºF , 6-21d
Schoenia cassiniana,,, Type=an, sow @ 60 to 65ºF
Sclerocarpus uniserialis,, Gymnolomia uniserialis, Gymnopsis uniserialis, Type=an, sow @ 65 to 70ºF, grow on @ 55 to 65ºF
Scyphanthus elegans,, Grammatocarpus volubiis, Type=hha, sow @ 60 to 65ºF
Sedum caeruleum, stonecrop,, Type=an, sow @ 60 to 65ºF
Sedum rubens , , ,Type= ab , , sow @ 70ºF , 7-14d
Sedum sempervivoides , creeping stonecrop , Umbilicus platyphyllus,Type= bi , , sow @ 70ºF , 7-14d
Senecio cakilefolius , , ,Type= an , , sow in light @ 65 to 75ºF , 10-21d ,
Senecio cineraria , silver ragwort , S. acanthifolius, Cineraria maritima,Type= an , , sow in light @ 65 to 75ºF , 10-21d
Senecio elegans , redpurple ragwort , Jacobaea elegans, S. purpureus,Type= hha, , sow in light @ 65 to 75ºF , 10-21d
Senecio jacobaea , tansy ragwort , ,Type= bi , , sow in light @ 65 to 75ºF , 10-21d
Senecio platylepis , , ,Type= an , , sow in light @ 65 to 75ºF , 10-21d ,
Senecio sylvaticus , woodland ragwort , ,Type= an , , sow in light @ 65 to 75ºF , 10-21d ,
Senecio vulgaris , common groundsel , ,Type= an , , sow in light @ 65 to 75ºF , 10-21d , invasive weed
Sesamum indicum , sesame , ,Type= an , , sow @ 68ºF , 7-14d ,
Setaria glauca , yellow foxtail , ,Type= an , , sow @ 70ºF , 3-7d , invasive weed
Setaria italica , foxtail millet , ,Type= an , , sow @ 70ºF , 3-7d , invasive weed
Setaria macrostachya , rabo de ardilla , ,Type= an , , sow @ 70ºF , 3-7d
Sicana odorifera, curuba,, Type=a/p, sow @ 75 to 80ºF, grow on @ 65 to 70ºF
Sideranthus annuus,,, Type=an, sow @ 60 to 70ºF, thin to 6"
Silene armeria , sweet william catchfly , ,Type= an , , surface sow 4 wks @ 70ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d
Silene armeria compacta , , ,Type= an , , surface sow 4 wks @ 70ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d
Silene clandestina , , ,Type= an , , surface sow 4 wks @ 70ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d ,
Silene coeli-rosa , rose of heaven , Lychnis coeli-rosa,Type= an , , surface sow 4 wks @ 70ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d ,
Silene conica , conical catchfly , ,Type= an , , surface sow 4 wks @ 70ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d ,
Silene gallica , common catchfly , ,Type= an , , surface sow 4 wks @ 70ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d ,
Silene multinervia , manynerve catchfly , ,Type= an , , surface sow 4 wks @ 70ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d ,
Silene pendula , nodding catchflly , S. graeca, S. rosea,Type= an , , surface sow 4 wks @ 70ºF in light, if no germ. 4 wks @ 39ºF, recycle , 10-20d ,
Silybum eburneum , milkthistle , ,Type= a/b , , sow @ 55 to 70ºF , 7-14d ,
Silybum marianum , blessed milkthistle , Carduus marianus, Mariana lactea,Type= an , , sow @ 55 to 70ºF in light, 7-14d
Smyrnium olusatrum , Alexanders , ,Type= bi , , sow @ 70ºF 3 months, then move to 39ºF , 60-90d , invasive weed
Smyrnium perfoliatum , , ,Type= bi , , sow @ 70ºF 3 months, then move to 39ºF , 60-90d ,
Solanum burbankii , wonderberry , ,Type= an , , sow @ 73ºF , 7-14d
Solanum capsicastrum, winter cherry,, Type=a/p, sow @ 60 to 65ºF
Solanum integrifolium , ruffled tomato , S. coccineum,Type= an , , sow @ 73ºF , 7-14d
Solanum mammosum , nipplefruit , ,Type= a/p , , sow @ 73ºF , 7-14d ,
Solanum melanocerasum , garden huckleberry , ,Type= an , , sow @ 73ºF , 7-14d ,
Solanum melongena var. esculentum , eggplant , ,Type= an , , sow @ 73ºF , 7-14d
Solanum pseudo-capsicum, Jerusalem cherry,, Type=a/p, sow @ 60 to 65ºF
Solanum quitoense, naranjilla ,, Type= an, , sow @ 70ºF, 7-14d
Solanum rostratum , buffalo bur , ,Type= an , , sow @ 73ºF , 7-14d , invasive weed
Solanum tuberosum , potato , ,Type= an , , sow @ 60 to 65ºF , 7-14d ,
Solanum xanthocarpum , , ,Type= an , , sow @ 73ºF , 7-14d
Solenostemon scutellarioides , coleus , Coleus blumei ,Type= an , , surface sow @ 75ºF in light , 10-14d
Specularia perfoliata, venus' looking-glass ,, Type=an, direct sow outdoors in Mar., 10-30d, thin to 4"
Spergularia rubra , sand spurrey , ,Type= a/b , , sow @ 70ºF , 10-21d
Spilanthes oleracea, toothache plant, , Type=an, , sow @ 70ºF in darkness, 7-14d
Stachys annua , annual hedgenettle , ,Type= a/p , , sow @ 73ºF , 7-14d
Stachytarpheta jamaicensis,,, Type=an, sow @ 65 to 70ºF, irregular 14-21d
Steirodiscus gamolepis tagetes , gold rush , ,Type= an , , sow in light @ 60 to 70ºF , 5-10d ,
Stellaria media , common chickweed , ,Type= a/p , , sow @ 39ºF, or direct sow in the fall , 10-21d , invasive weed
Streptocarpus hybridus, cape primrose,, Type=a/p, sow @ 55 to 60ºF, irregular 6 to 8 weeks
Stylomecon heterophylla , windpoppy , Meconopsis heterophylla, Papaver heterophyllum,Type= an , , direct sow outdoors, thin to 6" , 14-21d
Swertia bimaculata , , ,Type= an , , direct sow outdoors , variable ,
Tagetes erecta , African marigold , ,Type= an , , surface sow @ 74ºF in light , 7-14d , stick seed vertically into the media
Tagetes filifolia , , ,Type= an , , surface sow @ 74ºF in light , 7-14d , stick seed vertically into the media
Tagetes minuta , muster John Henry , ,Type= an , , surface sow @ 74ºF in light , 7-14d , stick seed vertically into the media
Tagetes patula , French marigold , ,Type= an , , surface sow @ 74ºF in light , 7-14d , stick seed vertically into the media
Tagetes pusilla , marigold , ,Type= an , , surface sow @ 74ºF in light , 7-14d , stick seed vertically into the media
Tagetes tenuifolia , signata marigold , T. signata,Type= an , , surface sow @ 74ºF in light , 7-14d , stick seed vertically into the media
Tagetes tubiflora , , ,Type= a/p , , surface sow @ 74ºF in light , 7-14d , stick seed vertically into the media
Tanacetum parthenium , feverfew , ,Type= a/p , , surface sow in light @ 68ºF , 7-14d , weedy
Tephrosia virginiana , goat's rue, hoary pea , ,Type= an , nick or grind , sow @ 70ºF , 4-10d , needs dry soil
Thelesperma burridgeanum,, T. hybridum, Cosmidium burridgeanum, Type=an, direct sow outdoors in Apr., thin to 6"
Thlaspi arvense , penny cress , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10`21d , invasive weed
Thlaspi ceratocarpum , , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10`21d
Thunbergia alata , black-eyed susan vine , ,Type= an , , sow @ 70ºF , 7-14d
Thymophylla tenuiloba, dahlberg daisy, Hymenatherum tenuilobum, Type=an, sow @ 60 to 65ºF, 5-10d
Thymus vulgaris , thyme , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Tithonia rotundifolia , clavel de muerto , T. speciosa, Helianthus speciosus,Type= an , , surface sow in light @ 70ºF , 7-14d
Tolpis barbata,, Crepis barbata, Type=an, sow @ 55 to 60ºF, 4-8d
Tonella tenella,, T. collinsioides, Type=an, direct sow outdoors in Mar., thin to 3"
Torenia cyanea , , ,Type= a/p , , surface sow in light @ 70 to 75ºF , 7-30d ,
Torenia flava , , T. baillonii,Type= an , , surface sow in light @ 70 to 75ºF , 7-30d
Torenia fournieri , bluewings , ,Type= a/p , , surface sow in light @ 70 to 75ºF , 7-30d
Townsendia parryi , Parry's townsend daisy , ,Type= bip , store 6m @ 70ºF , sow @ 70ºF , 7-14d
Trachelium caeruleum, blue throatwort,, Type=a/p, sow @ 55 to 60ºF, 10-20d
Trachymene caerulea , blue lace flower , Didiscus caerulea,Type= an , , sow in darkness @ 70ºF , 15-30d
Trachyspermum ammi , , ,Type= an , , sow in darkness @ 70ºF , 4-10d ,
Trichosanthes cucumerina v anguina , snake gourd , ,Type= an , , sow @ 65 to 75ºF , 14-30d
Trichostema dichotomum, bastard pennyroyal,, Type=ha, direct sow outdoors in Apr., thin to 6"
Tridax trilobata,, Galinsoga trilobata, Type=hha, sow @ 60 to 65ºF, thin to 4"
Trifolium arvense , rabbit-foot clover , ,Type= a/b , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d , invasive weed
Trifolium dubium , little hop clover , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d , invasive weed
Trifolium incarnatum , crimson clover , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d ,
Trigonella caerulea , blue fenugreek , ,Type= an , , sow @ 70ºF , 7-14d ,
Trigonella foenum-graecum , sicklefruit fenugreek , ,Type= an , , sow @ 70ºF , 7-14d
Triodanis perfoliata, Venus' looking glass, Specularia perfoliata, Type=an, , sow @ 70ºF, 7-14d
Tripteris hyoseroides,, Osteospermum hyoseroides, Type=an, sow @ 60 to 65ºf, 4-8d
Tropaeolum majus , nasturtium , ,Type= an , , sow @ 70ºF in the dark , 7-14d , weedy
Tropaeolum peltophorum , shield nasturtium , T. lobbiamum,Type= an , , sow @ 70ºF in the dark , 7-14d ,
Tropaeolum peregrinum , canary creeper , T. canariense, T. aduncum,Type= a/p , , sow @ 70ºF in the dark , 7-14d
Tropaeolum polyphyllum , , ,Type= a/p , , sow @ 70ºF in the dark , 7-14d
Uropappus linearifolius,, Microseris linearifolia, Type=an, direct sow outdoors in Apr., thin to 6"
Urospermum dalechampii,,, Type=bip, sow @ 60 to 65ºF, 14-21d
Ursinia anthemoides , , Sphenogyne anthemoides,Type= a/p , , sow @ 55 to 60ºF , 14-30d ,
Ursinia cakilefolia , , ,Type= an , , sow @ 55 to 60ºF , 14-30d ,
Ursinia calenduliflora , , ,Type= an , , sow @ 55 to 60ºF , 14-30d ,
Ursinia nana , , ,Type= an , , sow @ 55 to 60ºF , 14-30d ,
Ursinia speciosa , , ,Type= an , , sow @ 55 to 60ºF , 14-30d ,
Vaccaria hispanica , cow soapwort , Saponaria vaccaria,Type= an , , sow @ 39ºF , 7-14d
Valeriana officinalis , garden heliotrope , ,Type= an , , sow @ 39ºF, or direct sow in the fall , 20-40d
Venidium fastuosum,,, Type=an, sow @ 60 to 65ºF, 4-10d
Verbascum blattaria , moth mullein , ,Type= bi , , surface sow @ 70ºF in light , 7-14d ,
Verbascum bombyciferum , mullein , ,Type= bi , , surface sow @ 70ºF in light , 7-14d ,
Verbascum chaixii alba , white mullein , ,Type= bi , , surface sow @ 70ºF in light , 7-14d ,
Verbascum densiflorum , denseflower mullein , V. thapsiforme,Type= bi , , surface sow @ 70ºF in light , 7-14d
Verbascum lychnitis , white mullein , ,Type= bi , , surface sow @ 70ºF in light , 7-14d ,
Verbascum olympicum , , ,Type= bi , , surface sow @ 70ºF in light , 7-14d ,
Verbascum phlomoides , clasping mullein , ,Type= bi , , surface sow @ 70ºF in light , 7-14d ,
Verbascum phoeniceum , purple mullein , ,Type= bi , , surface sow @ 70ºF in light , 7-14d ,
Verbascum pulverulentum , violetstamen mullein, hoary mullein , V. floccosum,Type= bi , , surface sow @ 70ºF in light , 7-14d ,
Verbascum sinuatum , wavyleaf mullein , ,Type= bi , , surface sow @ 70ºF in light , 7-14d ,
Verbascum thapsus , common mullein , ,Type= bi , , surface sow @ 70ºF in light, if no germ. in 2 wks, move to 39ºF for 2 wks, recycle , 7-14d , invasive weed
Verbascum virgatum , wand mullein , ,Type= bi , , surface sow @ 70ºF in light , 7-14d ,
Verbena bonariensis , purpletop vervain , ,Type= a/p , , direct sow in the fall or sow 4 wks @ 39ºF, germ. @ 72ºF in darkness , 10-20d , can be weedy
Verbena canadensis , rose vervain , V. aubletia, V. drummondii,Type= an , , sow @ 75ºF under thin cover , 5-21d ,
Verbena grandiflora , , V. canadensis var. grandiflora,Type= an , , sow @ 75ºF under thin cover , 5-21d ,
Verbena hortensis , trailing verbena , V. hybrida,Type= an , , sow @ 75ºF under thin cover , 5-21d ,
Verbena x hybrida , garden vervain , ,Type= an , , sow @ 75 to 80ºF under thin cover , 5-21d ,
Verbesina encelioides , golden crownbeard , Ximenesia encelioides,Type= an , , sow @ 60 to 65ºF , 14-30d
Veronica hederifolia , ivyleaf speedwell , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d , invasive weed
Veronica spicata , spiked speedwell , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Vicia faba , horsebean , ,Type= an , nick or grind , sow @ 70ºF , 7-14d ,
Vicia hirsuta , tiny vetch , ,Type= an , nick or grind , sow @ 70ºF , 7-14d , invasive weed
Vicia villosa , hairy vetch, winter vetch , ,Type= a/b , nick or grind , sow @ 70ºF , 7-14d
Vinca rosea, cape periwinkle, Ammocallis rosea, Lochnera rosea, Type=a/p, sow @ 65 to 70ºF, 7-14d
Viola arvensis , field pansy , ,Type= an , , sow @ 70ºF in the dark , 7-14d ,
Viola cornuta , horned violet, ,Type= a/p , , sow @ 70ºF in the dark , 7-14d ,
Viola hiemalis , , ,Type= a/b , , sow @ 70ºF in the dark , 7-14d ,
Viola tricolor , pansy violet, johnny-jump-up , ,Type= a/p , , sow @ 70ºF in the dark , 7-14d , invasive weed
Viola wittrockiana , pansy , ,Type= an , , sow @ 70ºF in the dark , 7-14d
Wahlenbergia capensis , , ,Type= an , , sow in light @ 60 to 70ºF , 14-30d ,
Wahlenbergia krebsii , , ,Type= a/p , , sow in light @ 60 to 70ºF , 14-30d ,
Wahlenbergia procumbens , , ,Type= a/p , , sow in light @ 60 to 70ºF , 14-30d ,
Wahlenbergia undulata , , ,Type= an , , sow in light @ 60 to 70ºF , 14-30d
Waitzia grandiflora,,, Type=an, sow @ 65 to 70ºF, thin to 6"
Withania somnifera, ashwagandha, , Type=an, , sow in darkness @ 70ºF, 14-21d
Xanthisma texanum,, Centauridium drummondii, Type=an, direct sow outdoors in Mar., thin to 6"
Xeranthemum annuum , immortelle , ,Type= an , , sow @ 70ºF , 7-14d ,
Zaluzianskya capensis , night phlox , Nycterinia capensis,Type= a/p , , sow @ 70ºF , 7-14d
Zaluzianskya katherinae , , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Zaluzianskya villosa , , Z. selaginoides, Nycterinia selaginoides,Type= an , , sow @ 70ºF , 7-14d
Zea mays var. saccharata , corn , ,Type= an , , sow @ 70ºF , 7-14d ,
Zinnia angustifolia , star zinnia, Z. mexicana, Type= an , , sow @ 72ºF , 7-14d
Zinnia elegans , elegant zinnia , ,Type= an , , sow @ 70ºF , 7-14d ,
Zinnia haageana , , Z. angustifolia,Type= an , , sow @ 70ºF , 7-14d
Zinnia peruviana , Peruvian zinnia , ,Type= an , , sow @ 70ºF , 7-14d
Zizania aquatica , wild rice , ,Type= an , , direct sow underwater in the fall , variable , germinates when water temp. reaches 40ºF in the spring.
2nd revision, 1/20/99
3rd revision, 1/9/01