kalm's st. john's wort
Hypericum Kalmianum
Grow conditions
- Sunlight
- Full sun, Partial sun
- Hardiness zone
- 4-7
- Minimum temperature
- −29°F (−34°C)
- Soil type
- Clay, Loam, Sandy, Well-drained, Moist
- Soil pH
- Acidic, Neutral, Alkaline
Plant traits
Mature height24 in-36 in
Mature width24 in-36 in
Plant typeGround-layer plants
Bloom seasonSummer
Foliage typeDeciduous
Tolerance & safety
Drought tolerantYes
Fire tolerantModerate
Pet safetoxic
Deer resistantYes
Pollinator-friendlyBees, Butterflies
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