American genus of herbaceous perennial, dicotyledonous plants that contains over 1known species. Milkweed is named for its . This species is native to southern Canada and of much of the conterminous eastern U. USDA Native Status: L(N), CAN (N). A must for any butterfly garden, asclepias , or butterfly wee bears rounded clusters of bright orange, orange-re or occasionally yellow flowers in midsummer.

Young plants develop from a single central stem, while older plants tiller at the base, sending up multiple erect to ascending stems from a large taproot.

These stems are unbranched below, becoming branched . The species name tuberose refers to the tuberous (knobby and with swellings) roots. This native milkweed offers brilliant orange flowers attractive to a wide range of butterflies and other insects and is a host for monarch butterfly caterpillars. Learn more about this tough, long-lived herbaceous . This distinctive color and the absence of the typical milky sap make identification easy. Butterfly Weed needs a drier, well-drained location to successfully seed into and grow . Asclepias brachystephana.

This is a tall and conspicuous species that sometimes forms large clones. The umbels bear large balls of pink to purplish flowers that have an attractive odor.

It is hardy to zone (UK) 3. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees, insects, lepidoptera. The Orioles use the dead stems for nests the next spring. Our milkweeds have distinctive and easily recognized flowers borne in hemispherical to spherical umbels. The corona consists of prominent erect cup- or hood-like structures, in most species surrounding a little horn or prolonged tooth.

Measurements of flower length always include mature reflexed corolla lobes. White stemmed milkwee Whitestem milkweed. In summer large clusters of bright orange flowers grace the plant.

Flowers attract a bevy of nectar seeking butterflies. Plants are best adapted to sunny sites with well drained or dry soil. SKLEE-pee-us too-ber-OH-sah. Butterfly weed is a native perennial with flat-toppe orange or yellow flower clusters at the ends of its stems or in its leaf axils. From midsummer to autumn, it produces clusters of brightly colored flowers that attract insects, followed by . Aquatic milkweed is very showy and blooms all season.

This species, commonly known as butterfly weed or butterfly milkwee has vivid orange flowers with nectar and pollen that are . The fruit is a follicle (pod) and the seeds are attached . Description: A must for the butterfly garden! This plant is late to break dormancy, so be patient in the spring. The tuberosa type is sometimes used to make yellow dye.

They also serve as nectar for butterflies and hosts for butterfly larvae. Looks nice planted with Solidago, Heliopsis, Helianthus and . Get help with this component. Distribution Map: Based on vouchered plant specimens from wild populations.

Cultivated occurrences are not mapped. View county names by placing the cursor over the map.