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Seeds Per Gram Guide

Flower, Vegetable, Herb & Green Manure Seeds

In this post, you’ll find out the seeds per gram for popular flower, vegetable, herb and green manure seeds.

It is important to note that the seeds per gram can vary widely, even in the same species. For example, tomato seeds can have 250-400 seeds per gram, depending on variety.

The term ‘seeds per gram’ is used as an approximate value as weight can vary depending on environmental and storage conditions. These values can vary from year to year, with natural variations, and between seed lots. Adjust seeding rates after conducting your own trials.

This handy guide will give you an indication of what to expect in terms of seed sizes.

  • Brassica species are small seeds (e.g. cabbage, broccoli, kale, bok choy, chinese cabbage) with approximately 300 seeds per gram, and 300,000 per kg.
  • Cucurbita species are large seeds (e.g. pumpkin, squash, and gourd) with approximately 8-10 seeds per gram, and approximately 8000 – 10,000 per kg.
Herb, Flower and Vegetable SeedsBotanic NameSeeds Per Gram (g)Seeds per kilogram (kg)
AgatiSesbania grandiflora2020,000
AlfalfaMedicago sativa330330,000
Amaranth - GrainAmaranthus hypochondriacus900900,000
Amaranth - LeafAmaranthus tricolor900900,000
AngelicaAngelica archangelica180180,000
Angled LuffaLuffa acutangula1010,000
AnisePimpinella anisum400400,000
Anise HyssopAgastache foeniculum2,5002,500,000
Artichoke - GlobeCynara scolymus88,000
AsparagusAsparagus officinalis2424,000
Asparagus PeaLotus tetragonolobus / Tetragonolobus purpureus3535,000
BarleyHordeum vulgare2222,000
Barrel MedicMedicago truncatula350350,000
Basil SweetOcimum basilicum650650,000
Bean AdzukiVigna angularis88,000
Bean - BroadVicia faba11,000
Bean - BushPhaseolus vulgaris66,000
Bean - SnakeVigna unguiculata var. sesquipedalis55,000
Bean MadagascarPhaseolus lunatus11,000
Bean - Scarlet RunnerPhaseolus coccineus33,000
Bean WingedPsophocarpus tetragonolobus0.65650
Bean - RiceVigna umbellata1515,000
Bean - SwordCanavalia gladiata0.5500
Bean - TeparyPhaseolus acutifolius66,000
BeetrootBeta vulgaris6060,000
BergamotMonarda fistulosa1,0001,000,000
BorageBorago officinalis7070,000
BroccoliBrassica oleracea Italica group315315,000
Brussels SproutsBrassica oleracea Gemmifera group270270,000
BuckwheatFagopyrum esculentum3333,000
Burdock Japanese / GoboArctium lappa105105,000
Butterfly PeaClitoria ternatea2020,000
CabbageBrassica oleracea Capitata group300300,000
Cabbage Bok ChoyBrassica rapa subsp. chinensis600600,000
Cabbage ChineseBrassica rapa subsp. pekinensis600600,000
Cabbage Pak ChoiBrassica rapa subsp. chinensis600600,000
CaiguaCyclanthera pedata1010,000
CalendulaCalendula officinalis150150,000
California PoppyEschscholzia californica900900,000
Cape GooseberryPhysalis edulis600600,000
CapsicumCapsicum annum150150,000
CarawayCarum carvi370370,000
CarrotDaucus carota600600,000
CatnipNepeta cataria2,0002,000,000
CauliflowerBrassica oleracea Botrytis group300300,000
CeleriacApium graveolens2,5002,500,000
CeleryApium graveolens2,5002,500,000
CeltuceLactuca sativa var. asparagina800800,000
Ceylon SpinachBasella rubra / Basella alba4040,000
Chamomile EnglishChamaemelum nobile7,5007,500,000
Chamomile GermanMatricaria recutita7,5007,500,000
Cherry GuavaPsidium cattleianum5050,000
ChervilAnthriscus cerefolium600600,000
ChiaSalvia hispanica555555,000
ChickpeaCicer arietinum44,000
ChicoryCichorium intybus700700,000
ChilacayoteCucurbita ficifolia88,000
ChilliCapsicum chinense150150,000
Chives GarlicAllium tuberosum250250,000
Chives OnionAllium schoenoprasum200200,000
CollardsBrassica oleracea Viridis group300300,000
ColumbineAquilegia x cultorum620620,000
CorianderCoriandrum sativum9090,000
Coriander MexicanEryngium foetidum2,7002,700,000
CornZea mays1010,000
Corn PopcornZea mays1010,000
Corn Salad - MacheValerianella locusta325325,000
CornflowerCentaurea cyanus250250,000
CosmosCosmos bipinnatus9090,000
Cossack PineapplePhysalis pruinosa600600,000
CowpeaVigna unguiculata1515,000
CressLepidium sativum425425,000
Cress UplandBarbarea verna300300,000
Crimson CloverTrifolium incarnatum265265,000
Cucamelon - Mexican Sour GherkinMelothria scabra300300,000
CucumberCucumis sativus3535,000
Cumin BlackNigella sativa400400,000
Dames RocketHesperis matronalis570570,000
DillAnethum graveolens700700,000
EggplantSolanum melongena230230,000
Egyptian Spinach - Malu KhiaCorchorus olitorius500500,000
EndiveCichorium endivia25,50025,500,000
EscaroleCichorium endivia var. latifolia25,50025,500,000
Fava BeanVicia faba11,000
FenugreekTrigonella foenum-graecum7272,000
Florence FennelFoeniculum vulgare azoricum300300,000
Golden PurslanePortulaca oleracea var. sativa2,6002,600,000
HollyhockAlcea rosea9595,000
HyssopHyssopus officinalis1,1001,100,000
Japanese MilletEchinochloa utilis176176,000
Japanese Raisin TreeHovenia dulcis5050,000
Jicama - Climbing Yam BeanPachyrrhizus erosus55,000
KailaanBrassica oleracea Alboglabra group250250,000
KaleBrassica oleracea Acephala group300300,000
Kang Kong - Water SpinachIpomoea aquatica2222,000
KiwanoCucumis metuliferus100100,000
KohlrabiBrassica oleracea Gongylodes group250250,000
LablabLablab purpureus44,000
LarkspurConsolida ajacis450450,000
LeekAllium ampeloprasum var. porrum388388,000
Lemon BalmMelissa officinalis1,8001,800,000
LentilsLens ensculenta2121,000
LettuceLactuca sativa882882,000
LicoriceGlycyrrhiza glabra117117,000
Love-in-a-Mist - NigellaNigella damascena400400,000
LucerneMedicago sativa330330,000
Luffa - Vegetable SpongeLuffa cylindrica1010,000
LupinLupinus alba55,000
MarigoldTagetes patula / Tagetes lunulata / Tagetes erecta300300,000
Marjoram - SweetOriganum majorana5,0005,000,000
Melon - BitterMomordica charantia66,000
Melon - Jam / Preserving MelonCitrullus lanatus1414,000
Melon - HoneydewCucumis melo3535,000
Melon - RockmelonCucumis melo3535,000
MibunaBrassica rapa300300,000
Millet French WhitePanicum miliaceum176176,000
Miners LettuceClaytonia perfoliata2,1002,100,000
Minutina - Erba StellaPlantago coronopus5,0005,000,000
Mitsuba - Japanese ParsleyCryptotaenia japonica / Cryptotaenia canadensis500500,000
MizunaBrassica rapa var. niposinica300300,000
Moringa - Horseradish TreeMoringa oleifera33,000
Mung BeanVigna radiata1313,000
MustardBrassica juncea500500,000
NasturtiumTropaeolum majus88,000
New Guinea BeanLagenaria siceraria66,000
OatsAvena sativa3434,000
OkraAbelmoschus enculentus1919,000
OnionAllium cepa300300,000
Onion - WelshAllium fistulosum325325,000
OreganoOriganum vulgare9,5009,500,000
ParsleyPetroselinum crispum650650,000
ParsnipPastinaca sativa176176,000
PassionfruitPassiflora edulis4040,000
PeaPisum sativum55,000
PeanutArachis hypogaea0.5500
PeppermintMentha piperita12,50012,500,000
Perilla - ShisoPerilla frutescens crispa900900,000
PhaceliaPhacelia tanacetifolia270270,000
Pigeon PeaCajanus cajan1010,000
Plantain - Narrow LeafPlantago lanceolata4,0004,000,000
Poppy - FlandersPapaver rhoeas10,00010,000,000
Poppy - IcelandPapaver nudicaule10,00010,000,000
Pumpkin / Winter SquashCucurbita maxima / Cucurbita moschata88,000
Purple Coneflower - EchinaceaEchinacea purpurea265265,000
Queen Anne's LaceAmmi majus1,2501,250,000
QuinoaChenopodium quinoa1,3501,350,000
RadishRaphinus sativus acanthiformis9090,000
Red CloverTrifolium pratense350350,000
RhubarbRheum rhabarbarum8080,000
RocketEruca sativa500500,000
Rocket Sylvetta - Wild RocketDiplotaxis tenuifolia3,5003,500,000
RosellaHibiscus sabdariffa900900,000
RosemaryRosmarinus officinalis900900,000
SageSalvia officinalis250250,000
Salad BurnetSanguisorba minor140140,000
SalsifyTragopogon porrifolius8080,000
Saltbush Old ManAtriplex nummularia4040,000
Salvia - AnnualSalvia farinacea555555,000
Serpent GourdTrichosanthes cucumerina var. anguina1010,000
ShungikuChrysanthemum coronarium320320,000
Siberian WallflowerErysimum x marshallii700700,000
Silverbeet - ChardBeta vulgaris4848,000
SnapdragonAntirrhinum majus6,0006,000,000
Sorrel - GardenRumex acetosa1,1001,100,000
Sorrel - Red VeinRumex sanguineus1,1001,100,000
SoybeanGlycine max1010,000
Spigariello LisciaBrassica oleracea var. italica300300,000
SpinachSpinacia oleracea8080,000
SquashCucurbito pepo99,000
StaticeLimonium sinuatum380380,000
SteviaStevia rebaudiana2,5002,500,000
StockMatthiola incana600600,000
StrawflowerXerochrysum bracteata / Bracteantha bracteatum1,4001,400,000
SubcloverTrifolium subterraneum350350,000
SunflowerHelianthus annuus1414,000
SwedeBrassica rapa var. rapifera / Brassica napus335335,000
Sweet Alice - AlyssumLobularia maritima1,0001,000,000
Sweet William - DianthusDianthus barbatus2,0002,000,000
SweetpeaLathyrus odoratus1414,000
TagasasteChamaecytisus proliferus4545,000
TamarilloCyphomandra betacea250250,000
TamarindTamarindus indica0.7700
TatsoiBrassica rapa subsp. narinosa300300,000
ThymeThymus vulgaris3,0003,000,000
TomatilloPhysalis ixocarpa265265,000
TomatoLycopersicon esculentum265265,000
TurnipBrassica rapa subsp. rapa / Brassica napus335335,000
Vegetable SpaghettiCucurbito pepo99,000
ViolaViola tricolor1,2001,200,000
Warrigal Greens - NZ SpinachTetragonia tetragonioides2020,000
WatercressNasturtium officinale2,5002,500,000
WatermelonCitrullus vulgaris1414,000
Wax GourdBenincasa hispida1010,000
West Indian GherkinCucumis anguria4545,000
WheatTriticum aestivum1818,000
White CloverTrifolium repens330330,000
Winter SavorySatureja montana2,1002,100,000
Woolly Pod VetchVicia villosa spp. dasycarpa2424,000
Wynns CassiaCassia rotundifolia300300,000
YarrowAchillea millefolium1,7001,700,000
Yukina SavoyBrassica rapa300300,000
ZaatarOriganum syriaca8,0008,000,000
ZinniaZinnia elegans145145,000
Zucchini - Summer SquashCucurbito pepo99,000
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