Description Dahlia Mix Dahlias are known for their showy, multi-petaled flowers in a wide range of colors. Spacing: Plant 45-60 cm apart. Position: Full sun to light shade. Diseases/Pests: Powdery mildew, slugs, and aphids. Care: Provide support for tall varieties, water regularly, and apply a balanced fertilizer every 4-6 weeks. Discover the beauty and versatility of our stunning collection of bedding plants, perfect for adding vibrant colours, textures, and shapes to your garden. Transform your outdoor space into a blooming paradise with these delightful plant varieties.