Family: Hypericaceae

Scientific Name: Hypericum kalmainum Blue Velvet

Common Name: Blue Velvet Kalm's St Johns Wort

DescriptionA Kalmn Hypericum with bluish foliage.
Pronunciation(hy-PER-ee-kum)
Plant TypeAll Plants, Shrubs Deciduous
Hardiness Zone4-7
Sunlightfull
Moistureaverage, moist
Soil & Siteaveage, moist, well drained
Flowersbright yellow, 5 petals, 5 light green/yellow sepals, mass of yellow stamens in the center, borne in cymes
Fruitseed capsule
Leavesnarrow, blue green
Dimensions3-4 feet by 3-4 feet (HS), upward arching
Native Sitespecies endemic to Great Lakes region, USA
Cultivar OriginIntroduced by Dr. Paul Cappiello. Director of Yew Dell Gardens, in Crestwood, Kentucky (USA)
Misc Facts"Genus name honors Peter Kalm, a student of Linnaeus, who reportedly discovered the species plant in the wild in North America in the mid-1700s". (#144)
Author's NotesI have seen this Hypericum on a few occasions. It definitely has some of the bluer leaves of all the Hypericum I have seen.
Notes & Reference#01-Manual of Woody Landscape Plants (Michael Dirr), #144-Missouri Botanical Gardens web site (www.missouribotanicalgarden.org)
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