Botanical illustration of St Johns Wort
🎨 AI-generated botanical illustration

🌱 St Johns Wort

Hypericum perforatum
medicinal_herbs herbaceous perennial Hypericaceae
☀️ Sun
full sun
💧 Water
low
🗺️ Zones
4-8
🧪 Soil pH
5.5-7.5
🪴 Soil Type
adaptable
🚿 Drainage
well-drained
📏 Spacing
12-18 in
📐 Height
1-3ft
⏱️ Maturity
1 year

🤝 Companions (4)

🤝 Calming herb combination.
🤝 Lavender
🤝 Lemon Balm
🤝 Mood-support
Mood-support herb garden. Both sun-loving.

⚠️ Keep Apart (2)

⚠️ Prescription medication users
⚠️ St. John's Wort interacts dangerously with many drugs.

📝 Growing Notes

INTERACTS WITH MANY MEDICATIONS — birth control, SSRIs, blood thinners. Do not combine.

🛒 Buy Seeds & Plants

Plot Buddies is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. This does not affect our plant recommendations — we only link to retailers we trust.