Found 872 species ·
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Dicentra canadensis
T2 medium 56
Sedum reflexum
T2 hard 55
Dryopteris ludoviciana
T1 medium 54
Pinus bungeana
T1 easy 53
Dianthus superbus
T2 medium 53
Yucca guatemalensis
T2 medium 52
Pseudolarix amabilis
T1 easy 52
Juniperus occidentalis
T1 easy 52
Hemerocallis citrina
T1 medium 51
Carludovica palmata
T1 medium 50
Franklinia alatamaha
T1 easy 49
Calypso bulbosa
T2 hard 49
Crocus sativus
T1 medium 48
Carex eburnea
T1 easy 48
Matricaria recutita
T2 medium 48
Muehlenbeckia axillaris
T2 easy 46
Silene viscaria
T2 medium 44
Castilleja coccinea
T1 medium 43
Helianthus grosseserratus
T1 medium 43
Viburnum × burkwoodii
T2 medium 42
Hepatica americana
T2 medium 42
Euphorbia platyclada
T2 easy 42
Fritillaria pudica
T1 medium 40
Echinacea paradoxa
T1 medium 39
Orostachys japonica
T1 hard 37
Sedum divergens
T2 hard 36
Phoradendron leucarpum
T1 easy 34
Acer tataricum subsp. ginnala
T1 easy 34
Pinus balfouriana
T1 easy 32
Sedum oreganum
T1 hard 32
Lewisia rediviva
T1 medium 31
Athyrium otophorum
T2 hard 31
Opuntia subulata
T2 easy 31
Eremurus robustus
T1 medium 27
Cypripedium reginae
T2 hard 27
Rhododendron groenlandicum
T2 easy 25
Calochortus nuttallii
T1 medium 25
Ranunculus glaberrimus
T1 medium 25
Polystichum polyblepharum
T1 hard 24
Mazus reptans
T2 medium 24