Description

Condition: New

Perennial plant (W) PS2

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St. John’s Wort Seeds (Perennial)
Botanical Name: Hypericum perforatum
Type: Hardy Perennial Herb

St. John’s Wort is a sun-loving perennial herb renowned for its clusters of bright yellow, star-shaped flowers that bloom throughout summer. Long valued in traditional herbal medicine for its natural calming properties, this hardy plant also makes a charming ornamental addition to gardens and wildflower borders. Its nectar-rich flowers attract bees, butterflies, and other pollinators, bringing both beauty and biodiversity to your space.

Plant Details

Type: Hardy perennial herb
Height: 70cm
Spread: 30–50cm
Flowers: June – September
Position: Full sun or partial shade; well-drained soil

Growing Information

Sow: Mar – May or Sept – Oct outdoors; Feb – Apr indoors
Germination: 14–30 days at 15–20°C (light aids germination — do not cover seeds)
Transplant: Harden off seedlings and plant out after frost risk
Spacing: 30–40cm apart
Care: Water moderately; trim after flowering to maintain compact growth

Why You’ll Love It

Bright, star-shaped yellow blooms all summer
Traditional medicinal herb with calming properties
Attracts bees and pollinators
Easy to grow and low maintenance

Top Tip

For best results, grow in a sunny, open position and harvest flowers when fully open for use in herbal infusions or oils. Cut plants back after flowering to encourage fresh, healthy growth.

Perfect For

Herb and medicinal gardens
Cottage and wildlife-friendly planting
Naturalized borders and meadows
Pollinator-friendly landscapes

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