| Description | Hello Yellow Butterfly Weed (Asclepias tuberosa) is a yellow-cultivated variety of the native brilliant-orange Butterfly weed. |
|---|---|
| Pronunciation | (as-KLEE-pi-as)(tuu-be-ROW-sa) |
| Plant Type | Perennials Hardy |
| Hardiness Zone | 4-9 |
| Sunlight | full |
| Moisture | average to dry |
| Soil & Site | Grows best in sandy, well-drained soils, and does poorly in wet soils |
| Flowers | Flowers are bright yellow. The inflorescence is a many-flowered umbel on stalks. The flower clusters can contain 25 or more individual 3/4-inch flowers. Flowers are a nectar source for hummingbirds, butterflies, and many other pollinators, and leaves are a food source for monarch butterfly larvae (caterpillars). |
| Fruit | The seed pod is bean-shaped, 6 inches long by 3/4 inch |
| Leaves | The leaves are narrow, stalkless (sessile) or have a short petiole, usually alternate but occasionally opposite, and hispid (hairy). Leaves are a food source for monarch butterfly larvae (caterpillars). |
| Roots | Forms a deep taproot that can make it difficult to transplant. |
| Dimensions | 20-24 inches in spread and height |
| Maintenance | Produces a deep taproot, making transplanting difficult. Mark the plant's spot. It breaks dormancy late and can be unknowingly damaged early in the spring. |
| Propagation | seeds |
| Native Site | Wide spread across North America. |
| Cultivar Origin | Originates as a specific, naturally occurring yellow-flowered seed strain. |
| Misc Facts | Hello Yellow is a native cultivar, which is a cultivated version of a native plant. |