Hypericum kalmianum

Common name: Kalms St. Johns Wort

Native plant

I have only seen this plant near interdunal pools on calcareous sand. It seems to do very well on our heavy clay soil as long as it is in full sun. Beautiful yellow flowers bloom at the end of June to early July.  This is a very nice plant to be used in masses in front of taller plants.

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Order multiplication of 4 for price:
$20.00
Price Level: 
Woodies- Standard Shrub
Sizing Options: 
1 Gallon
5 Gallon

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Plant Details

Plant type

Shrubs

Soil type

Dry, Dry Mesic

Light exposure

Full Sun

Bloom period

Summer

Urban environment

Requires Protected Site

Habitat

Prairie Grasslands

Growth form

Shrubby/Clump

Growth rate

Moderate

Flower color

Yellow

Fall color

Yellow Orange

Size

Mature height
2 Feet
Mature width
2 Feet
Max height
3 Feet
Max width
4 Feet

Additional information

Pollinator hot spot

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