With its tall, graceful stems and delicate violet-blue petals, Aster ‘Tower Blue’ brings a serene splash of cool colour to late-season gardens and bouquets. Its elegant blooms add soft contrast and texture, making it a favourite for mixed arrangements and dreamy pastel palettes. Strong stems and a long vase life ensure it performs beautifully both in the garden and the vase. Best for: Cool-toned bouquets, late-season garden colour, mixed arrangements, serene floral designs. Approx 30 seeds per packet Growing Information Season Blooms in late summer to early autumn – typically February to April Type Focal Blooms Cut and Come Again Edible No - but non-toxic Spacing Space 20-25cm apart Days to Germination 10-14 days Days to Maturity 110-120 days Sowing Tips Start indoors in trays 6–8 weeks before last frost. Lightly cover seed – keep soil consistently moist. Transplant out after hardening off and once frost has passed. Growing Tips Prefers full sun and fertile, well-drained soil. Water at soil level to reduce the risk of mildew. Space well to encourage airflow. Harvest when blooms are nearly fully open for best vase life.
