LUPINUS polyphyllus (Bigleaf Lupine) is a herbaceous perennial plant native to North America. Lupinus polyphyllus is a herbaceous perennial plant, meaning it lives for multiple years. It belongs to the Fabaceae family, which includes legumes or pea family plants.
Lupinus polyphyllus forms a clump of upright stems with palmate leaves divided into numerous leaflets. The leaflets are typically green and vary in size, giving the plant its specific epithet "polyphyllus," meaning "many-leaved." The overall foliage is lush and dense. The plant produces tall flower spikes that can reach heights of 2 to 4 feet (60 to 120 cm). The flowers are pea-like and come in a wide range of colors, including shades of blue, purple, pink, white, and yellow. The individual flowers are arranged in dense clusters along the spike.
The flower typically blooms in the late spring to early summer, generally between May and July. The blooming period may vary depending on the local climate and growing conditions. It is highly valued for its striking and colorful flower spikes, making it a popular choice for cottage gardens, it is also attractive to pollinators, such as bees and butterflies, as it provides nectar and serves as a food source.
Lupinus polyphyllus thrives in full sun to partial shade. It prefers well-draining soil and can tolerate various soil types, including sandy or loamy soils. It is adapted to cool, moist climates and is commonly found in meadows, open woodlands, and mountainous regions.
Lupinus polyphyllus, or Bigleaf Lupine, is a stunning perennial plant that brings vibrant colors and vertical interest to gardens. Its large flower spikes, lush foliage, and adaptability to cool climates make it a favored choice for various landscaping applications.
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Scientific Name: Lupinus Polyphyllus
Common Name: Lupine – Big Leaf
Plant Type: Herbaceous Perennials
Family: Fabaceae or Leguminosae
Native Range: Western North America, British Columbia, to California
Height: 24-48 "
Spread: 18-36 "
Habitat: Usually found in wetlands from sea level to 3000 meters
Zone: USDA Hardiness 5-9
Exposure: Full Sun, Exposed
Blooming Season: Summers (July to August)
Attracts: Butterflies, Bees
Flower Color: Red, Yellow, Blue
Moisture: Prefers Moist soil
Water Requirement: Low to moderate
Soil Type: Prefers well-drained, Light(sandy), Medium(loamy), Heavy(clay)
Soil pH: Acid and neutral soil, can grow in very acidic soils
Advantage: Easy to grow
Uses: Border Plants, Cutting Gardens, Cut flowers