10+
Russell lupine is a cool-season flowering plant with an upright growth habit and dense flower spikes. It is well adapted to temperate climates and performs best in full sun with well-drained, moderately fertile soil. This variety establishes from seed and is suitable for garden beds, borders, and perennial planting areas. It prefers cooler conditions and consistent moisture for steady growth and seasonal development.
Features
- Upright flowering plant with dense spike formation
- Suitable for beds, borders, and perennial plantings
- Performs well in full sun environments
- Adapted to temperate and cooler climates
- Steady growth with consistent moisture
Specifications
- Scientific Name: Lupinus polyphyllus
- Common Name (US): Lupine
- Seed Type / Variety: Russell Variety
- Growth Habit: Upright flowering plant
- USDA Zones: 4-8
- Planting Season: Spring or fall
- Growing Season: Cool to mild season
- Sowing Season: February to April and September to October
- Germination Time and Conditions: 14-28 days at 15-20°C; may benefit from soaking seeds before sowing
- Sunlight Requirements: Full sun
- Soil Requirements: Well-drained, moderately fertile, slightly acidic soil
- Watering Needs: Moderate; maintain consistent moisture
- Mature Plant Size: 60-120 cm height, 30-45 cm spread
- Plant Spacing: 30-45 cm between plants
