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Features
Family
Native
Life Cycle
Plant Height
Flower Color
Bloom Season
Further Information
Plant Characteristics
Plant Resistance
About Russell Blend Lupine Seeds
Lupinus polyphyllus
Planting Lupine
Plant Spacing
Hardiness Zones
Light Required
Plant Height
Planting Depth
Planting Details
| Seed Depth | ⅛" |
|---|---|
| Seed Spacing | A group of 3 seed every 18"–24" |
| Thinning | When 1" tall, thin to 1 every 18"–24" |
| Germination | 15–25 days |
| Start Indoors | 6 to 8 weeks before your average last frost date. Roots are sensitive to disturbance; sow in biodegradable pots that can be planted directly into the ground. |
| Direct Sow | 1 to 2 weeks after your average last frost date. In mild climates, can be sown in late summer for bloom the following spring. |
| Special Sowing | Scarify; soak seeds in water for 12 to 24 hours or nick with sandpaper before sowing. |
| Growing & Harvesting | For longest vase life, harvest in the morning when 1/3 of the flower buds have opened. |
Find Your Frost Date & Grow Zone
Average First Frost Date
October 19
Average Last Frost Date
May 19
Your Hardiness Zone is
5b
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