St. John’s Wort Seeds - Herbal Plant

St. John’s Wort, botanically known as Hypericum perforatum, is a herbaceous perennial plant valued for its upright growth and bright yellow blooms. It develops branching stems with small, oval leaves and produces clusters of star-shaped flowers during the growing season. This plant adapts well to temperate and warm climates and performs best in full sun with well-drained soil. St. John’s Wort is commonly used in borders, naturalized planting, and herb gardens, where it establishes readily from seeds and tolerates dry conditions once established.

Features

• Upright perennial with branching growth
• Produces bright yellow, star-shaped flowers
• Suitable for borders and naturalized planting
• Adapted to sunny and well-drained conditions
• Drought tolerant once established

Specifications

• Scientific name: Hypericum perforatum
• Common name (US): St. John’s Wort
• Seed type / variety: Yellow flowering variety
• Growth habit: Herbaceous perennial
• USDA zones: 4-9
• Planting season: Spring or fall
• Growing season: Summer
• Sowing Season:
  • Spring: March to May
  • Fall: September to October
• Germination time and conditions: 2-4 weeks at 18-22°C; light aids germination
• Sunlight requirements: Full sun
• Soil requirements: Well-drained soil, adaptable to various types
• Watering needs: Low to moderate once established
• Mature plant size: 30-90 cm height, 30-60 cm spread
• Plant spacing: 30-45 cm between plants