Hypericum kalmianum (Kalm's St. Johnswort)
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Hypericum kalmianum

Kalm's St. Johnswort

Low shrub with bright yellow flowers in small clusters at ends of 4-sided branches; bark papery, peeling when older.

Height: 24-36 in
Width: 24-36 in
Soil Conditions: Moist/Well Drained
Flower Color: Yellow
Bloom Time: July
Hardiness Zone: 4 TO 7
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Characteristics & Attributes for Hypericum kalmianum

Attracts Wildlife

Attracts Pollinators

Plant Habit

Rounded

Light Conditions

Sun to Part Shade

Native Plant Community

Mesic Prairie

Bloom Time

July

Flower Color

Yellow

Flower Hue

Medium

Flower Type

CYME

Foliage Color

Green

Leaf Texture

Fine

Prune Time

Jan/Feb/March

Flower Form

Single

Growth Rate

Slow