- Name: Petunia Mix - Scientific Name: Petunia - Color: Mixed Colors & Bicolored Blooms - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost - Bloom Time: All Summer - Hardiness Zone: N/A - Plant Height: 12 - 18" - Plant Spacing: 12 - 18" - Light Requirements: Sun - Soil & Water Preferences: Average - Quantity: 250 Seeds - Other: Petunias Attract Bees, Birds, & Butterflies. They Are A Real Summer Standard!