Perennials
Asclepias tuberosa 'Hello Yellow'
Hello Yellow butterfly weed
Golden-yellow flower clusters top upright stems through summer. A long-lived selection of native butterfly weed for sunny, dry borders. Leave established plants undisturbed; the deep taproot dislikes transplanting. Remove pods before they split if seedlings are unwanted. Wear gloves when handling sap.
At a glance
- Sun
- Full sun
- Mature size
- 24 in. tall × 24 in. wide
- Water
- Low once established
- Hardiness
- USDA zones 3–9
- Bloom
- Golden yellow; early–late summer.
Sizes & prices
- #1$19.99
Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.
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Resistance & tolerances
- Deer
- Resistant, not browse-proof.
- Drought
- Tolerant once established.
- Wet soil
- Needs excellent drainage, especially in winter.
Resistance is not a guarantee; deer and rabbits may browse any plant.
Pollinators & wildlife
- Attracts
- Bees, Hummingbirds
- Caterpillar host
- Monarch
Native range
- Native range / parentage
- Cultivar of North American native butterfly weed. Cultivated selection of a Kentucky-native species; not wild local stock.
- Tristate native status
- Cultivated selection of a Kentucky-native species; not wild local stock.
Keep in mind: Harmful if eaten; sap can irritate skin and eyes. Wear gloves.
Growing & care
- Spring
- Mark its location; growth starts late.
- Roots
- Avoid unnecessary division of the deep taproot.
Sources & photo credits
Photo: Walters Gardens, via National Garden Bureau · Authorized garden communication
Image notes: Asclepias tuberosa 'Hello Yellow', Photo courtesy of Walters Gardens and National Garden Bureau. Resized, uncropped. Surrounding plants are not included.
Reviewed September 19, 2026. Growing conditions vary by location.