PatternBaseSt. Johns Wort
Hypericum perforatum, Hypericaceae
Zones
3–8
Layer
Herbaceous
Lifespan
Perennial
Growth
Fast
Guild Roles
Pollinator Attractor
Growing Conditions
Sun
Full Sun (optimal)Partial Sun (acceptable)
Water
LowLow
Soil pH
5.5 – 7.5
Tolerances
Drought
Frost
Heat
Pest Resistance
Disease Resist.
Companion Plants
Antagonistic Plants
Uses
Functions
Medicine
Edible Parts
FlowersLeaves
Common Questions
What zones does St. Johns Wort grow in?
St. Johns Wort grows in USDA hardiness zones 3 through 8.
What are good companion plants for St. Johns Wort?
Good companions for St. Johns Wort include Sweet Corn, Hyssop.
Design guilds with St. Johns Wort and see companion relationships visually.
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