Setup, Compatibility & Care
Sowing: Sow seeds from early spring (February-April) indoors in pots or trays, or directly outdoors from spring (April-May) once the risk of frost has passed. Use a good quality seed compost and sow thinly. Lightly cover seeds with compost. Maintain a consistent temperature of 15-20°C for germination, which typically takes 14-28 days. Water gently after sowing.
Planting Out: Once seedlings are large enough to handle, transplant them into individual pots and grow them on in cooler conditions before planting them out into their final flowering positions after the last frost. Ensure they are spaced appropriately according to mature plant size, generally 30-45cm apart.
Location: Prefers a sunny or partially shaded location with well-drained soil. Avoid waterlogged areas.
Care: Water regularly, especially during dry spells, until plants are established. Once flowering has finished, deadhead spent blooms to encourage further flowering and prevent self-seeding of unwanted varieties. In autumn, cut back dead foliage. Perennials benefit from a light mulch in spring to retain moisture and suppress weeds. Division of older clumps may be necessary every 3-5 years to maintain vigor.