Lupine Seeds – Lupinus polyphyllus Flower Plant

Lupine is a flowering plant known for its tall, colorful flower spikes and palmate foliage. Plants form upright clumps and produce dense flower racemes in a range of shades, making them suitable for borders, cottage gardens, meadow plantings, and ornamental landscapes. This species performs best in cool to moderate climates with well-drained, slightly acidic soil. Lupine is commonly grown for its vertical garden structure and seasonal color display.

Features

• Upright clump-forming flowering plant
• Produces tall, colorful flower spikes
• Suitable for borders and cottage gardens
• Adapted to cool and moderate growing conditions
• Attractive palmate foliage
• Performs well in well-drained, slightly acidic soils
• Suitable for meadow and ornamental plantings

Specifications

• Scientific Name: Lupinus polyphyllus
• Common Name (US): Bigleaf Lupine
• Seed Type / Variety: Lupinus polyphyllus
• Growth Habit: Herbaceous perennial
• USDA Zones: 4-8
• Planting Season: Spring and Fall
• Growing Season: Spring through Summer
• Sowing Season: March-May and September-October
• Germination Time and Conditions: 14-28 days at 55-70°F (13-21°C); scarification recommended
• Sunlight Requirements: Full sun to partial shade
• Soil Requirements: Well-drained, slightly acidic soil
• Watering Needs: Moderate watering; avoid waterlogging
• Mature Plant Size: 24-48 inches tall, 18-24 inches spread
• Plant Spacing: 12-18 inches apart