Centaurea cyanus
Centaurea cyanus bachelor’s buttons Asteraceae list 3.5 Hardy annual Native to Europe 30-60 cm tall. Nice azure blue flowers, late…
Calamagrostis x acutiflorus ‘Karl Forster’
Calamagrostis x acutiflorus ‘Karl Forster’ Karl Forster feather reed grass Poaceae list 3.4 Grass Cultivar originated in Germany Hardy across…
Stachys byzantina
Stachys byzantina lamb’s ears Lamiaceae list 2.21 Perennial Native to Mediterranean climate Zone 4 Very soft, grey-green wooly leaves in…
Lathyrus latifolius
Lathyrus latifolius perennial pea Fabaceae list 2.15 Perennial (unusual for a pea, most are annuals) Native to southern Europe Zone…
Gunnera manicata
Gunnera manicata giant gunnera Gunneraceae list 2.12 Perennial Native to southern hemisphere Not cold hardy. Will not grow 100 m…
Iris latifolia
Iris latifolia English iris Iridaceae list 1.11 Bulb Native to Spain 40 cm tall. Slender, rolled up leaves arching out…
Hemerocallis forrestii
Hemerocallis forrestii slender orange daylily Xanthorrhoeaceae list 1.9 Perennial Native to China Zone 4 Clump of slender, arching leaves. Six-petal,…
Geranium platypedulum
Geranium platypedulum broad-petaled cranesbill Geraniaceae list 1.6 Perennial Native to Central Asia Zone 5 Attractive, somewhat sticky, palmately lobed leaves…
Campanula latifolia
Campanula latifolia broadleaf bellflower Campanulaceae list 1.3 Perennial Native to Europe and across Russia Zone 4 Upright stems, 1 m…
Astilboides tabularis
Astilboides tabularis shieldleaf rodgersia Saxifragaceae list 1.1 Perennial Native to China Zone 5 Massive (up 1 m across), nearly round,…