500 Dotted St John's Wort Seeds - Hypericum perforatum Medicinal Herb

Dotted St. John's Wort (Hypericum perforatum) is a well-known herbaceous perennial prized for its bright yellow, star-shaped flowers and its long history of use in traditional herbal preparations. The common name "dotted" refers to the tiny translucent oil glands visible on the leaves when held to the light. This versatile plant adds cheerful color to wildflower meadows, herb gardens, and pollinator-friendly landscapes, attracting bees and other beneficial insects throughout the summer.

Easy to grow from seed, Dotted St. John's Wort is a rewarding choice for gardeners interested in medicinal herbs, naturalized plantings, or low-maintenance borders. Its upright habit and abundant blooms make it a standout in sunny garden spots.

Plant Features

• Bright yellow, five-petaled flowers with prominent stamens
• Leaves feature translucent oil glands that give the plant its "dotted" name
• Attracts bees and other pollinators
• Drought-tolerant once established
• Historically valued as a medicinal herb

Growing Information

• Botanical Name: Hypericum perforatum
• Plant Type: Herbaceous perennial
• Sunlight: Full sun to partial shade
• Soil: Well-drained, average to poor soil
• Water Requirements: Low to moderate; drought-tolerant once established
• Growth Habit: Upright, clump-forming
• USDA Hardiness Zones: 4-8
• Bloom Season: Summer
• Mature Height: 1-3 feet
• Spacing: 12-18 inches apart

Planting & Care

Sow Dotted St. John's Wort seeds indoors 6-8 weeks before the last frost or directly outdoors in fall or early spring. Lightly press seeds into the soil surface; do not cover deeply, as light aids germination. Keep the soil consistently moist until seedlings emerge, which typically takes 10-20 days at 65-70°F (18-21°C). Once seedlings have several true leaves, thin or transplant them to their final spacing.

Choose a sunny location with well-drained soil. Water regularly during the first growing season to help plants establish, then reduce watering as they become drought-tolerant. Mulch around plants to suppress weeds and retain moisture. Deadhead spent flowers to encourage continued bloom and prevent unwanted self-seeding if desired.

What's Included

500 Dotted St. John's Wort seeds (Hypericum perforatum).