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Butterfly Weed

Asclepias tuberosa 'Hello Yellow'

Pure yellow flower clusters bloom atop branching stems bearing numerous narrow leaves.

Developed from a native North American wildflower, this is an important source of food for Monarch butterflies. The plant forms an upright clump of narrow green leaves, bearing showy clusters of golden-yellow flowers in mid to late summer. Green fruit will develop after flowering which break open to reveal seeds with the same long silvery-white, silky hairs as its cousin, the common milkweed. The seedpods are excellent used in dried arrangements (pick and dry while still green). Great cut flower. Attractive to all butterflies, hummingbirds, bees and other beneficial insects. Deadhead flowers to stimulate another bloom. Very late to come up in the spring, so plant daffodils or other companion bulbs to mark the spot. Requires well-drained sandy soil.

Characteristics:

Bloom Time:

Blooms mid to late summer

Mature Height:

16-20 Inches

Hardiness Zone:

4-9 Find your zone

Exposure:

Full Sun

Features and Usage:

Greenhouse Growing Instructions:

Grow on at 68°F. Asclepias require long days of 14-16 hour photoperiods to flower and thrive, any less will send them into dormancy and cause buds to abort. Manage moisture to the drier side allowing plants to dry out between watering. Plants generally finish in 8-10 weeks based on growing conditions.
Plants Per Gallon: 1
Storage Temperature Prior to Planting: 45-60
Cooler Humidity Prior to Planting: High

Transplanting Instructions:

Plant in well draining soil keeping crown of plant at the same level it was in the plug. Avoid planting too deeply. Once potted; water slightly and apply a broad spectrum fungicide to avoid crown and root rot.

Homeowner Planting and Maintenance Tips:

Drought tolerant native plant. Prefers well-drained soil in full sun, but is late to break dormancy.

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We have done our best to describe this plant as accurately as possible, however, different climates
and growing conditions in different parts of the country will affect height, bloom time, and color.