St. John’s Wort – Seeds (Hypericum perforatum)

St. John’s Wort (Hypericum perforatum) is a hardy perennial herb known for its bright yellow star-shaped flowers and long history of use in traditional herbal medicine. It grows easily in gardens, meadows, or wildflower plantings, attracting pollinators while adding natural beauty.

Often valued for its ornamental and herbal qualities, St. John’s Wort thrives in poor soils and sunny locations, making it a low-maintenance addition to cottage gardens and naturalized landscapes.

How to Grow

• Sow indoors: February – April

• Sow outdoors: April – June, or autumn for natural stratification

• Depth: Surface sow – seeds need light to germinate

• Spacing: 30 cm between plants

• Position: Full sun to partial shade

• Soil: Well-drained, moderately fertile, sandy or rocky soils

Key Features

• Perennial herb with golden yellow, star-shaped blooms

• Attracts bees and pollinators

• Grows well in poor, dry soils – low maintenance

• Suitable for borders, meadows, and herb gardens

• Traditional herb, long valued in folklore and medicine

Flowering & Harvest

• Flowering time: June – September

• Blooms can be collected at peak flowering if used for herbal purposes.