This native Irish wildflower is a hardy, perennial herb with upright stems, small oval leaves dotted with translucent glands, and bright yellow star-shaped flowers. Widely grown in herb gardens and wildflower meadows, it is valued for its medicinal properties and long-lasting summer blooms.
• Exposure: Very wind-tolerant; moderately coastal-tolerant, tolerates sheltered seaside positions.
• Size: 30–100 cm tall; 30–60 cm wide.
• Soil: Well-drained, moderately fertile soils; tolerates sandy, loamy, or light clay soils.
• Sun: Full sun to partial shade.
• Flowering Time: Summer (typically June–August).
• Uses: Medicinal; traditionally used in herbal remedies and teas.
• Wildlife Benefits: Flowers attract bees, butterflies, and other pollinators; dense foliage provides shelter for insects.
