Russell Mix Lupin is an easy to grow perennial. Growing in colorful spires, these flowers have a refreshing vibrancy in the garden. Hardy to zone 3 and overwinters when mulched. Zone 3Caution: Seeds are poisonous if eaten. Lupinus polyphyllus Product Weight: 1 gram / approximately 30-35 seeds Plant Type: Perennial Bloom Color: Red, purple, white, yellow Grows Best In: Full Sun Bloom Period: July to August Days to Seed Germination: 20 to 30 days Seed Planting Depth: 6 mm (1/4") Plant Spacing: 45 cm (18") Growing Height: 24-36" Planting Instructions: After danger of frost, sow in well-drained, moderately rich lime-free soil. To hasten germination, chill seed in refrigerator, then nick hard covering; soak overnight in warm water. When plants are 2 inches tall, thin to allow for spreading. Suggestions: Germination is enhanced by soaking in water overnight before planting.