BotanyCa Seeds List Spring-Summer 2026, always in the works…
How to use the Seeds List
Click on the species name in the list to find out more: common name, description, pictures, cost and germination instructions.
- Species with very small seeds, which are hard to count (orchids, some species of Saxifraga, Drosera) and indicated as 50+/pck. or 30+/pck. are always provided in greater quantities. So, one packet contains more than enough seeds to sow one full pot.
- Something I had not considered necessary to write down before: all the seeds are free of any chemicals, the moist packed ones included; seeds from cultivated plants are from organically managed gardens.
Inventory may show temporarily ‘out of stock’ while orders are being processed, check back in a few days; - SO marked in the Seeds List – means the species is Sold out
We do not offer all species on a yearly basis. Sold out species which are not offered on a yearly base will be removed from the list and archived (use the Search button to read about them if necessary). Offerings older than 4 years are deleted entirely. - Hepatica and Corydalis solida seeds are available almost every year during the month of June ONLY.
BotanyCa operates as a seeds provider for the hobby gardeners and specialized nurseries. With regret, we cannot provide large quantities of seeds for naturalizations or other large scale garden projects. From the beginning, the desire and goal of this business was for regular gardeners to have access to native species not commonly offered by other sources in Canada (or offered as DOD= dead-on delivery); and also to non-native, more unusual species which come at a high price as plants and are best grown from seeds.
With this in mind, species with limited seeds in stock can only be ordered as 1 pck./person like in previous years. Also, all the other species, at least for the beginning of the season, can be purchased in max. 2 pck. /person.
For all species marked in green: seeds are provided fresh and/or ‘moist-packed’ almost every year; usually they are available right away after collection until early winter only – weather permitting shipping.
Some offerings are restricted to 1 pck./person. All others: 2 pck/order.
All local orders must contain at least 2 pck. of seeds; International orders min. 4 pck. Some species with large seeds are excluded from international shipping.
Please review the Shipping and Delivery page before placing orders. Large orders with only moist packed seeds which are heavier, may be charged extra for shipping.
The seeds collection continues until late fall, so more species usually become available September through November. We can only know what will be available AFTER collecting the seeds.
Thank you – Merci!
Species with hydrophilic seeds recommended to be sown in early fall.
Availability to be announced in early September.
Aconitum septentrionale ‘Ivorine’
Aristolochia iberica
Asarum canadense (Wild ginger)
Caulophyllum thalictroides (Blue cohosh)
Corydalis nobilis
Daphne mezereum (February Daphne)
Dicentra formosa (Pacific bleeding heart)
Diphylleia cymosa (American Umbrella leaf)
Jeffersonia dubia (Asian twinleaf, Plagiorhegma)
Hydrastis canadensis (Goldenseal)
Medeola virginiana
Podophyllum peltatum (American mandrake)
Saruma henryi
Trillium cuneatum (Sweet Betsy)
Trillium grandiflorum (Large-flowered Trillium)
Trillium erectum (Stinking Benjamin)
Trillium luteum
A
Actaea pachypoda
Actaea pachypoda f. rubrocarpa
Actaea rubra
Ageratina altissima (Eupatorium)
Androsace maxima
Androsace villosa ssp. taurica
Allium ‘Fireworks’
Allium pseudojaponicum
Allium rotundum – new
Allium thunbergii ‘Ozawa’ (maybe late fall)
Amphicarpaea bracteata
Amphicarpaea bracteata var. comosa
Anemone virginiana
Anemone occidentalis (see Pulsatilla)
Aralia racemosa
Aralia hispida
Aralia nudicaulis
Arabis hirsuta
Arenaria grandiflora
Arenaria rotundifolia ssp. rotundifolia
Arisaema flavum
Arisaema triphyllum
Aruncus dioicus
Arum maculatum – new
Aristolochia iberica
Asarum canadense
Asclepias curassavica
Asclepias exaltata (late fall)
Asclepias tuberosa
Asphodeline damascena – new
Astragalus missouriensis
Astragalus vesicarius ssp. pseudoglaucus
AQUILEGIA
Aquilegia canadensis – short form
Aquilegia canadensis – woodland
Aquilegia formosa
Aquilegia hybrid dark purple
Aquilegia hybrid tall
Aquilegia vulgaris (soft pink) – new
Aquilegia flabellata ‘Alba’
Aurinia saxatilis
Allysum borzeanum – see Odontarrhena
B
Baptisia australis
Baptisia australis var. minor
C
Calochortus albus
Calycanthus floridus
Campanula alliariifolia
Campanula glomerata ssp. cervicarioides
Campanula glomerata ssp. cervicarioides
dwarf form
Campanula kirpicznikovii
Campanula persicifolia ‘Alba’
Campanula persicifolia ‘Nitida Alba’
Campanula rotundifolia (Killarney)
Ceanothus americanus
Centaurea jankae
Centaurea orientalis
Cercis canadensis/late fall
Chelone obliqua
Chiastophyllum oppositifolium
Chrysosplenium iowense – new
Cirsium canum
Cirsium edule var. macounii
CLEMATIS
Clematis alpina
Clematis alpina ssp. sibirica
Clematis glaucophylla
Clematis hexapetala
Clematis heracleifolia ‘China Purple’
Clematis integrifolia
Clematis virginiana
Clematis occidentalis
Clematis viorna – new
Comptonia peregrina – new
Crocosmia ex. ‘Lucifer’
Cypripedium acaule
D
Delphinium fissum
Delphinium albiflorum
Delphinium exaltatum
Delphinium cf. likiangense
Delphinium laxiflorum
Desmodium canadense (late fall)
Desmodium nudiflorum
Dianthus arenarius spp. bohemicus
Dianthus carthusianorum
Dianthus deltoides – wild form
Dianthus deltoides ‘Deep Red Confetti’
Dianthus haematocalyx ssp. pindicola – new
Dianthus moravicus
Dianthus nardiformis/SO
Dianthus spiculifolius
Dictamnus albus
Dictamnus albus ‘Albiflorus’
Dodecatheon hendersonii
Dodecatheon frenchii
Dodecatheon meadia
Draba aizoides – new
Draba dedeana
Draba haynaldii
Draba hispanica – new
Draba lasiocarpa
Drosera linearis
Drosera intermedia
E
Erigeron peregrinus
Erigeron compositus
E
Epipactis helleborine
Erinus alpinus
Eryngium planum ‘Blue Glitter’
Euphorbia myrsinites
Euonymus obovatus (late fall)
Euonymus planipes (E. sachalinensis)
F
Fritillaria collina
Fritillaria dagana
G
Gentiana andrewsii
Gentiana asclepiadea
Gentiana asclepiadea ‘Alba’
Gentiana cruciata
Gentiana dahurica
Gentiana triflora
Gentiana lutea
Gentiana cruciata
Geum triflorum
Geum rivale
Geum speciosum (Woronovia)
Gladiolus tenuis
Gladiolus caucasicus – new
Glaucidium palmatum
Glaucidium palmatum ‘Album’/SO
Gypsophila cerastioides
Gypsophila tenuifolia
H
Hedysarum hedysaroides
Hedysarum boreale/SO
Helleborus niger
Helleborus x hybridus ‘Cherry Blossom
Helleborus x hybridus large, purple
Helleborus foetidus
Helleborus purpurascens
Hieracium bombycinum – new
Hydrastis canadensis/September
Hydrophyllum virginianum
Hypericum kalmianum
I
Ipomopsis rubra
Ipomoea purpurea
Iris domestica
Iris versicolor
Iris tectorum ‘Album’
J
K
Kniphofia hirsuta ‘Fire Dance’
L
Lathyrus vernus (pink)
Lathyrus vernus – blue/violet
Linaria aeruginea
Liatris ligulistylis
Lobelia siphilitica
Lobelia cardinalis
Lobelia kalmii
Lonicera canadensis
Lonicera dioica
Lonicera involucrata
Lupinus Russell Hybrids (pink)
LILIUM
Lilium martagon ‘Album’
Lilium martagon var. pilosiusculum
Lilium michiganense/SO
M
Medeola virginiana
Micranthes stellaris spp. robusta
Mitchella repens
Mitella diphylla
Mitella breweri
Monarda fistulosa
Myrica pensylvanica
N
Nabalus racemosus (Prenanthes)/SO
Noccaea fendleri ssp. glauca – new
O
Oenothera macrocarpa (O. missouriensis)
Ornithogalum arcuatum
P
Peonies
Paeonia anomala ssp. veitchii
Paeonia anomala ssp. veitchii – white form
Paeonia mascula ssp. arietina
Paeonia mascula ssp. mascula
Paeonia mlokosewitschii
Paeonia obovata
Paeonia officinalis
Paeonia officinalis ssp. huthii
Papaver atlanticum ‘Flore-Pleno’
Papaver chakassicum
Papaver macrostomum ‘Black Magic’
Penstemon barbatus Pinacolada (red)
Penstemon digitalis
Penstemon hirsutus ‘Pygmaeus‘
Penstemeon grandiflorus
P
Physochlaina orientalis
Physoplexis comosa
Phyteuma scheuchzeri
Phyteuma orbiculare
Phytolacca americana ‘Variegata’
Platycodon grandiflorus ‘Sentimental Blue’
Podophyllum hexandrum
Podophyllum peltatum (Sept.)
Polygala amara ssp. brachyptera
Polygala major
Polygala senega
Polygala paucifolia
PRIMULA
Primula florindae
Primula japonica ex. ‘Postford White’
Primula macrocalyx
Primula mistassinica
Primula x polyantha ex. ‘Violet Victorians’
Primula x polyantha (red/yellow)
Primula sieboldii mix
Primula veris ‘Sunset Shades’
Primula hose-in-hose
Primula vulgaris ssp. rubra (P. woronovii)
—————————
Pseudofumaria alba
Pseudofumaria lutea
Ptelea trifoliata/fall, hopefully
Pulsatilla occidentalis
Pulsatilla pratensis hybrid
Pulsatilla styriaca
Pulsatilla ex. styriaca (pink)
Pulsatilla vulgaris ex. ‘Rote Glocke’
Pulsatilla vulgaris – white
R
Rheum compactum
Rhodotypos scandens
Rhus aromatica
Ribes cynosbati
Ribes americanum – new
Rosa acicularis ssp. sayi
Rosa rubrifolia
Rosa palustris
Roscoea schneideriana
Roscoea scillifolia fo. atropurpurea
Roscoea tibetica
Rubus hispidus
Rubus odoratus
Rubus occidentalis
Rubus parviflorus
Rudbeckia subtomentosa
Rudbeckia maxima
S
Salvia austriaca ex. Dobrogea
Salvia pratensis
Salvia verticillata
Sarracenia pupurea
Saruma henryi
Saxifraga cuneifolia subsp. robusta
Scabiosa silenifolia
Scutellaria pontica
Senna hebecarpa
Sidalcea malviflora
Silene compacta (ex. Dobrogea)
Silene jailensis
Silene lerchenfeldiana
Silene suecica
Silene saxifraga
Silene pusilla
Silene uniflora ‘Compacta’
Smilax herbacea
Smilax tamnoides (fall)
Solidago simplex var. ontarioensis
Solidago ptarmicoides
Sorbus scopulina var. cascadensis
Spiranthes incurva
Stylophorum diphyllum/SO 2026
Symphyotrichum laeve
Symphyotrichum novae-angliae
T
Tellima grandiflora
Teucrium canadense
Thalictrum dioicum
Thalictrum cf. foetidum
Thalictrum pubescens/SO
Thermopsis villosa
Triantha glutinosa
Trientalis borealis
Trillium cuneatum/Sept.
Trillium grandiflorum/September
Trillium erectum/Sept.
Trillium luteum/Sept.
U
V
Vaccinium macrocarpon
Vaccinium membranaceum
Veratrum nigrum
Vernonia gigantea
Viburnum acerifolium
Viburnum lentago/fall
Viburnum rafinesquianum
VIOLA
Viola adunca var. bellidifolia
Viola canadensis
Viola dissecta
Viola labradorica
Viola langsdorfii ssp. kamtchadolorum
Viola pubescens var. scabriuscula
Viola sororia fo. priceana
Z
Zigadenus elegans ssp. glaucus
Zizia aurea
Grasses & related genera
Carex arctata
Carex crinita
Carex grayi
Carex muskingumensis
Carex plantaginea – new
Carex rosea
Carex retrorsa
Chasmanthium latifolium
Eriophorum virginicum
Melica uniflora
Biennial and annual plants (in cold climates) – species that will vanish after flowering & need to be resown every year (or every two years). Others (Dahlia and Anemone) need to be lifted in late fall and replanted in the spring. Some may self-seed in place in favourable conditions; all are warm germinators (first stage).
Anemone pavonina
Asclepias curassavica
Bukiniczia cabulica
Campanulastrum americanum
Cirsium edule var. macounii
Corydalis sempervirens
Dahlia ex. coccinea
Erysimum transsilvanicum
Gentianopsis crinita
Ipomopsis rubra
Ipomaea purpurea
Orlaya grandiflora
Papaver macrostomum ‘Black Magic’
Rudbeckia hirta
Xeranthemum annuum




