Botanical Name: Asclepias tuberosa
Common Names: Butterfly Weed, Orange Milkweed
Asclepias tuberosa is a hardy, herbaceous perennial native to much of North America and widely admired for its vibrant orange flowers and exceptional value to pollinators. Often called Butterfly Weed, this species produces clusters of bright orange blossoms that bloom throughout the summer months, creating a vivid display in gardens and naturalized landscapes. The flowers are especially attractive to butterflies, bees, and other beneficial insects, including monarch butterflies whose caterpillars depend on milkweed plants as an essential food source.
Unlike many other members of the milkweed family, Asclepias tuberosa produces little to no milky sap and maintains a neat, upright growth habit. Its slender stems are lined with narrow, lance-shaped leaves that form tidy clumps, making the plant well-suited for borders, native plant gardens, and pollinator-friendly landscapes. Mature plants typically reach 1–3 feet in height and spread about 1–2 feet wide, creating a manageable yet visually striking presence in sunny garden spaces.
This drought-tolerant species thrives in dry, well-drained soils and is particularly well adapted to sandy or rocky conditions. Because of its resilience and minimal maintenance requirements, Asclepias tuberosa is a popular choice for prairie gardens, meadow plantings, and xeriscape landscapes where water conservation is important. Once established, the plant requires little supplemental watering and can thrive in hot, sunny environments where many other flowering plants struggle.
Care and Cultivation:
• Prefers full sun for best flowering and strong growth
• Water regularly during establishment, then sparingly once established
• Thrives in well-draining sandy or rocky soils
• Excellent for native gardens, meadow plantings, borders, and pollinator habitats
• USDA Zones: 3–9; thrives between 65–90°F (18–32°C)
Frost Tolerance and Cold Hardiness:
• Fully cold-hardy across its growing range
• Dies back to the ground during winter dormancy
• Roots survive freezing temperatures and re-sprout in spring
Winter Dormancy and Health:
• Herbaceous perennial that goes dormant in winter
• Cut back dead stems in late winter or early spring
• Avoid excessive winter moisture around roots
• Returns vigorously with fresh growth in spring
Notes:
• Essential host plant for monarch butterfly caterpillars
• Bright orange flower clusters provide strong seasonal color
• Deer resistant once established
• Low-maintenance and drought-tolerant addition to pollinator gardens
Botanical Name: Asclepias tuberosa
Common Names: Butterfly Weed, Orange Milkweed
Asclepias tuberosa is a hardy, herbaceous perennial native to much of North America and widely admired for its vibrant orange flowers and exceptional value to pollinators. Often called Butterfly Weed, this species produces clusters of bright orange blossoms that bloom throughout the summer months, creating a vivid display in gardens and naturalized landscapes. The flowers are especially attractive to butterflies, bees, and other beneficial insects, including monarch butterflies whose caterpillars depend on milkweed plants as an essential food source.
Unlike many other members of the milkweed family, Asclepias tuberosa produces little to no milky sap and maintains a neat, upright growth habit. Its slender stems are lined with narrow, lance-shaped leaves that form tidy clumps, making the plant well-suited for borders, native plant gardens, and pollinator-friendly landscapes. Mature plants typically reach 1–3 feet in height and spread about 1–2 feet wide, creating a manageable yet visually striking presence in sunny garden spaces.
This drought-tolerant species thrives in dry, well-drained soils and is particularly well adapted to sandy or rocky conditions. Because of its resilience and minimal maintenance requirements, Asclepias tuberosa is a popular choice for prairie gardens, meadow plantings, and xeriscape landscapes where water conservation is important. Once established, the plant requires little supplemental watering and can thrive in hot, sunny environments where many other flowering plants struggle.
Care and Cultivation:
• Prefers full sun for best flowering and strong growth
• Water regularly during establishment, then sparingly once established
• Thrives in well-draining sandy or rocky soils
• Excellent for native gardens, meadow plantings, borders, and pollinator habitats
• USDA Zones: 3–9; thrives between 65–90°F (18–32°C)
Frost Tolerance and Cold Hardiness:
• Fully cold-hardy across its growing range
• Dies back to the ground during winter dormancy
• Roots survive freezing temperatures and re-sprout in spring
Winter Dormancy and Health:
• Herbaceous perennial that goes dormant in winter
• Cut back dead stems in late winter or early spring
• Avoid excessive winter moisture around roots
• Returns vigorously with fresh growth in spring
Notes:
• Essential host plant for monarch butterfly caterpillars
• Bright orange flower clusters provide strong seasonal color
• Deer resistant once established
• Low-maintenance and drought-tolerant addition to pollinator gardens
