Hypericum perforatum
Species
Also called Common St. John's wort, perforate St. Johns-wort, St. John's wort
Connections
Fact sheet
every fact quoted from its source“perennial herb” — How to Grow St John's Wort from Seed (Hypericum perforatum) — Complete Guide
“10–21 days” — How to Grow St John's Wort from Seed (Hypericum perforatum) — Complete Guide
“15–20°C” — How to Grow St John's Wort from Seed (Hypericum perforatum) — Complete Guide
“Full sun to partial shade” — How to Grow St John's Wort from Seed (Hypericum perforatum) — Complete Guide
“Every 4 days” — Common St. John's wort (Hypericum perforatum) Care Guide: Pests, Diseases, Watering, Fertilizing & Toxicity — Keep It Th
“Slightly acidic (6.5–7.0), Neutral (7.0)” — How to Care for St. John's wort (Hypericum perforatum)
“Zone 3(−40°C)” — How to Grow St John's Wort from Seed (Hypericum perforatum) — Complete Guide
“30–45 cm apart” — How to Grow St John's Wort from Seed (Hypericum perforatum) — Complete Guide
“40–80 cm” — How to Grow St John's Wort from Seed (Hypericum perforatum) — Complete Guide
“Recommended Propagation Strategy: Division” — Hypericum perforatum (Common St. John's-wort, Goatweed, Klamath Weed, St. Johns Wort) | North Carolina
“The red oil test: Pinch a flower bud of Hypericum perforatum between your fingers. If it releases a reddish-purple oil that stains your fingers, the plant is ready to harvest.” — How to Grow St John's Wort from Seed (Hypericum perforatum) — Complete Guide
“Toxic to Pets & Humans” — How to Care for St. John's wort (Hypericum perforatum)
“Common St John’s Wort. It has long been used in traditional medicines to help treat depression. Even today it is often used as a replacement for expensive and over powerful prescription medications.” — Hypericum Plant Growing & Care Guide for Gardeners
Who grows this
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Where this comes from
- Name and place in the family tree: GBIF Backbone Taxonomy (CC BY 4.0)
- Linked record: Wikidata (CC0)
- Wikipedia: Hypericum perforatum
- Fact sheet: 6 source pages, read and quoted by the OmniGrowers Librarian