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Common St. Johnswort

Hypericum perforatum

Clusiaceae · herbaceous · introduced

Last updated

Data Coverage 1 of 6 dimensions
Site Data
Threats
Cultivars
Phenology
GDD Thresholds
Puget Sound

Quick Facts

Height
1–3 ft
Spread
0–2 ft
Growth Rate
Medium
Light
Full Sun to Part Shade
Soil
Well Drained, Moist
Water
Moderate
Hardiness
Zone Zones 3–8
Bloom Time
june to august
Origin
Europe, Asia and Northern Africa