- Name: Alaska Iris - Other Common Names: Wild Flag Iris / Beachhead Iris - Scientific Name: Iris Setosa - Color: Blue Purple With White & Yellow Markings - Plant Seeds: Fall Or Warm & Cold Stratify - Plant Height: 30 - 36" - Plant Spacing: 12 - 15" - Bloom Time: Late Spring - Hardiness Zone: 3 – 8 - Light Requirements: Sun - Part Shade - Soil & Water Preferences: Average - Moist – Wet - Quantity: 20 Seeds - Other: More Info Coming Soon.