Native to South America.
Also known as Butterfly weed or Bloodflower.
Butterflies and many other nectar-drinking insects are attracted to the blossoms.
It is one of the food plants for the caterpillars of Monarch and Queen butterflies.
Evergreen perennial sub-shrub, often grown as an annual.
Grows to about 0.6-0.9m (3-4 ft) tall (5.1-10.2 cm) across.
Flowers continuously from spring to autumn.
A yellow cultivar is available.
Easy to grow, does well in dry, moist, and even wet soils. Full sun to partial shade.
Hardiness: USDA Zones 8B - 11.
Evergreen in zones 9B-11, but often withstands a hard frost.
In cooler climates it can be grown as an annual.
Propagate by cuttings or seed.
Warning: All milkweeds are poisonous, and the milky sap is a skin irritant.