- Name: Kew Blue Painted Tongue - Usda Certified Organic - Other Common Names: Velvet Trumpet Flower - Scientific Name: Salpiglossis Sinuata - Color: Blue-Purple - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost - Bloom Time: Summer - Fall - Hardiness Zone: Annual - Plant Height: 24 - 30" - Plant Spacing: 12" - Light Requirements: Sun - Part Shade - Soil & Water Preferences: Average - Quantity: 50 Organic Seeds - Other: More Info Coming Soon.