Jupiter's Beard Seeds - Flower Plant

Jupiter's beard, botanically known as Centranthus ruber, is a perennial flowering plant valued for its upright, bushy growth and clusters of small, star-shaped flowers. It develops blue-green foliage and produces dense flower heads in shades of red during the warm season. This plant adapts well to temperate climates and performs best in full sun with well-drained soil, tolerating dry and rocky conditions once established. It is commonly used in borders, cottage gardens, and naturalized planting, where it establishes readily from seeds under suitable conditions.

Features

• Upright, bushy perennial with branching growth
• Produces clusters of small red flowers
• Suitable for borders and naturalized planting
• Adapted to dry, sunny conditions
• Establishes easily from seeds

Specifications

• Scientific name: Centranthus ruber
• Common name (US): Red Valerian
• Seed type / variety: Red flowering variety
• Growth habit: Upright, clump-forming perennial
• USDA zones: 5-9
• Planting season: Spring or fall
• Growing season: Late spring to summer
• Sowing Season:
  • Spring: March to May
  • Fall: September to October
• Germination time and conditions: 2-3 weeks at 18-22°C
• Sunlight requirements: Full sun
• Soil requirements: Well-drained, sandy or rocky soil
• Watering needs: Low to moderate; drought tolerant once established
• Mature plant size: 60-90 cm height, 45-60 cm spread
• Plant spacing: 30-45 cm between plants