Great St. Johnswort
Hypericum Ascyron
Grow conditions
- Sunlight
- Full sun to partial shade
- Hardiness zone
- 4-8
- Min. Temperature
- −29°F (−34°C)
- Soil type
- Loam, Sandy, Well drained, Moist
- Soil pH
- Acidic, Neutral, Alkaline
Plant traits
Mature height3-5 ft
Mature spread2-3 ft
Plant typePerennials
Bloom seasonSummer, Fall
Foliage typeDeciduous
Tolerance & safety
Drought tolerantNo
Fire tolerantNo
Pet safeToxic
Deer resistantYes
Pollinator-friendlyBees, Butterflies
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