Hello Yellow Butterfly Weed
Asclepias tuberosa 'Hello Yellow'
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
18 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
North America
Toxicity
Toxic if ingested
The Story
Plant Bio
Asclepias tuberosa, or butterfly weed, is a tuberous-rooted, native North American perennial prized for its flat-topped clusters of vibrant flowers that are a magnet for butterflies, especially monarchs. Hello Yellow is known for its compact growth habit and brilliant color, making it a standout in any garden.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into well-draining soil in early spring for best germination.
- Mist cuttings lightly to maintain moisture during rooting process.
- Water regularly but avoid overwatering to prevent root rot.
- Provide full sun for optimal growth and flowering.
- Mulch around plants to retain soil moisture and suppress weeds.
- Divide mature plants in early spring or fall to encourage healthy growth.
Pro Tip
Use a sandy or gravelly soil mix to mimic native conditions and improve drainage.
Keep It Thriving
Care Guide
Do
- Water deeply during dry spells 🌱
- Prune dead or damaged stems in late winter
- Apply a balanced fertilizer in spring
- Support taller varieties with stakes if needed
Don't
- Avoid overwatering to prevent fungal diseases ❌
- Don’t disturb roots during flowering
- Refrain from using heavy clay soils that retain too much moisture
- Don’t neglect mulching to conserve soil moisture
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Harvest | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Hello Yellow Butterfly Weed questions
What zones can Hello Yellow Butterfly Weed grow in?
Hello Yellow Butterfly Weed is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Hello Yellow Butterfly Weed deer resistant?
Yes — Hello Yellow Butterfly Weed is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Hello Yellow Butterfly Weed bloom?
Hello Yellow Butterfly Weed typically blooms in summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Hello Yellow Butterfly Weed need full sun?
Hello Yellow Butterfly Weed does best in full sun (6+ hours).
Is Hello Yellow Butterfly Weed drought tolerant?
Yes — once established (usually after the first full season), Hello Yellow Butterfly Weed handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Asclepias to compare
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Asclepias tuberosa
Butterfly Weed
Asclepias tuberosa 'Gay Butterflies Mix'
Butterfly Weed Gay Butterflies Milkweed
Asclepias tuberosa 'Gay Butterflies'
Butterfly Weed
Asclepias tuberosa 'Deluxe Butterfly Garden'
Butterfly Milkweed
Asclepias x hybrida
Cinderella Milkweed
Asclepias incarnata 'Cinderella'
Keep exploring
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Grow Hello Yellow Butterfly Weed with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
