This gorgeous heirloom, also called old maid's bonnet and wild lupine, is native to the eastern half of the U.S. Naturalist Henry David Thoreau noted in his journal in June 1852, "No other flowers exhibit so much blue. That is the value of the lupine." Ideal for wildflower gardens and mass plantings. Host plant for Elf butterfly larvae and Karner blue butterfly.
• Botanical Name: Lupinus perennis
• Family: Fabaceae
• Native: Eastern North America and eastern Canada
• Hardiness: Perennial in USDA zones 3–8
• Plant Dimensions: 24"–36" tall, 18" wide
• Variety Information: ¾" blue to purple-blue flowers massed at the top of tall spikes
• Exposure: Full sun
• Bloom Period: Spring
• Attributes: Attracts Polliantors, Drought Tolerant
• When to Sow Outside: RECOMMENDED. Mild Climates: Sept. or Oct. Cold Climates: 4 to 6 weeks before your average last frost date, or as soon as soil can be worked in spring or late summer/fall. Ideal soil temperature for germination is 75°–85°F.
• When to Start Inside: 6 to 8 weeks before your average last frost date. Start in biodegradable pots that can be planted directly into the ground without disturbing roots.
• Days to Emerge: 14–28 days (or longer)
• Seed Depth: ⅛"
• Seed Spacing: 4"
• Thinning: When 2" tall, thin to 12" apart