A biennial herb with upright stems, lance-shaped green leaves, and fragrant, bright yellow flowers that open in the evening. Popular in wildflower meadows and naturalistic gardens, it attracts pollinators and adds vibrant colour.
• Exposure: Very wind-tolerant; moderately coastal-tolerant, can handle sheltered seaside locations.
• Size: 60–120 cm tall; 30–50 cm wide.
• Soil: Well-drained, moderately fertile soils; tolerates sandy or loamy ground; prefers slightly acidic to neutral conditions.
• Sun: Full sun essential for flowering.
• Flowering Time: Summer to early autumn (typically June–September); flowers open in the evening.
• Uses: Medicinal; seeds and oil traditionally used in herbal remedies.
• Wildlife Benefits: Flowers attract bees, moths, and other pollinators; provides nectar in late-season gardens.
