Butterfly Milkweed
Asclepia tuberosa
Family: Apocynaceae
Flowering Time: June to August
Flower Color: Yellow/orange
Growth Habit: Open woods, glades, fields
Zones: 3 to 9
Environment: Full sun
Plant Height: 1 to 2.5 feet
Spread: 1 to 1.5 feet
Tolerates: Deer, Drought, Erosion, Dry Soil, Shallow-Rocky Soil
Water: Dry to Medium
Maintenance: Low
Native Range: Eastern and Southern US
Other uses: Attracts butterflies, Showy

Dig Deeper: http://www.ourhabitatgarden.org/creatures/milkweed-growing.html