Eryngium bourgatii ‘Pen Blue’

Eryngium bourgatii 'Pen Blue' is a flowering perennial from the Eryngium group, best suited to full sun. It can reach 50–100 cm; seasonal interest: Flowers Jun–Sep. For best results, keep evenly moist while actively growing and flowering; water less during dormancy. Use fertile, humus-rich but well-drained soil.

Growing and care

• Hardiness / temperature: Hardy to approximately −20°C
• Humidity: Normal outdoor humidity with good air movement
• Feeding: Apply compost or a balanced feed in spring; avoid excessive nitrogen
• Pruning: Deadhead where appropriate and cut back old growth in the recommended season
• Potting and repotting: For containers, divide or repot when congested

Care guidance is general information for the Eryngium group; individual cultivars and growing conditions may differ.