St. John’s Wort is a welcome addition to any cottage garden. The alluring flowers of this short-lived herbaceous perennial are stunning bursts of sunshine. Widely used in the herbal community.
How To Grow St. John's Wort
This short-lived perennial is a well-investigated medicinal herb that traditionally has been used for wounds, general aches and pains, and is more famous in its use with mild depression and insomnia. This plant is well-suited for use in pollinator habitat restoration and erosion control. Grown from seed, it will create the strongest tap roots. Caution: can become invasive in some areas, though not easily in natural habitats, and can be toxic in large amounts to some livestock.
- 8-12 hours of Sun
- Sprouts in 10-20 Days
- Ideal Temperature: 60 Degrees F
- Seed Depth: Surface Sow
- Plant Spacing: 12"
- Frost Hardy: Yes
- Hypericum perforatum
Growing Tips: Perennial in zones 4-8. Start indoors 6-8 weeks before last frost, or direct seed after. Surface sow, gently pressing into soil: light aids germination. Tolerates most conditions but prefers moist, light soil. CAUTION: Hazardous to livestock.