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Hypericum kalmianum

Common Name(s):
Kalm's St. John's wort
Category:
Shrubs
Comment:

Drought tolerant; more loose and open than other hypericum; most cold-hardy hypericum

Height:
2-4 ft.
Foliage:
Opposite, simple, bluish green leaves; 1-2 in. long
Flower:
1-1.5 in. yellow flowers in summer
Zones:
4 to 7
Habit:
Deciduous
Site:
Sun to partial shade; range of soil types; tolerates dry soil
Texture:
Medium
Form:
Stout, stiff, erect stems; rounded, dense, compact
Width:
3-4 ft.
Tags:
deciduous

NCCES plant id: 1579

Hypericum kalmianum Hypericum kalmianum
Charles Kinsley, CC-BY-SA-2.0
Hypericum kalmianum Hypericum kalmianum
Superior National Forest, CC BY - 2.0