- Name: Mauve Queen Cleome - Other Common Names: Spider Flower - Scientific Name: Cleome Spinosa Syn. Cleome Hassleriana - Color: Mauve (Pinkish Purple) - Plant Seeds: Outdoors After Frost / Fall / Cold Stratify / Indoors Weeks Before Last Frost - Plant Height: 36 - 60" - Plant Spacing: 15 - 18" - Bloom Time: Summer – Fall - Hardiness Zone: Reseeding Annual - Light Requirements: Sun - Soil & Water Preferences: Average – Dry - Quantity: 200 Seeds