- Name: Watercolor Mix Dahlia - Scientific Name: Dahlia Variabilis - Color: Mixed Colors (Double Blooms, Some Two Tone) - Peach, Pink, Yellow, Yellow With Pink, Orange, Orange With Pink, Lavender Purple, & Cream - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost - Plant Height: 36" - Plant Spacing: 15 - 18” - Bloom Time: All Summer - Fall - Hardiness Zone: 8 - 11 Or As An Annual - Light Requirements: Sun - Soil & Water Preferences: Average - Quantity: 50 Seeds - Other: More Info Coming Soon.