- Name: Snapdragon Corona - Scientific Name: Antirrhinum Majus - Color: Yellow, Orange, Red, White, Crimson, & Bicolors - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost - Bloom Time: Summer - Hardiness Zone: N/A (But Reseeds Itself Easily, So It Acts Like A Perennial In All Zones) - Plant Height: 12 - 18" - Plant Spacing: 12 - 18" - Light Requirements: Sun - Part Shade - Soil & Water Preferences: Average - Quantity: 1500 Seeds - Other: Snapdragons Get Their Name From Their Flowers That Resemble The Face Of A Dragon And When You Squeeze The Sides Of The Flowers, Their Mouths Will Open And Close. They Are A Lot Of Fun For Children And Come In Amazing Bright Colors & Bicolored Blooms.