Heaven Born Blue Milkweed
Tweedia caerulea 'Heaven Born'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
12 inches
Light
Full Sun, Partial Sun
Zones
8, 9
Water
Low to moderate
Humidity
Average
Lifespan
Perennial in warm zones
Native To
South America
Toxicity
Milky sap can cause skin irritation; toxic if ingested.
The Story
Plant Bio
A perennial with striking sky-blue flowers that bloom in clusters. This cultivar, 'Heaven Born', is known for its vigorous growth and abundant flowering.
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into well-draining soil in early spring for best germination.
- Mist cuttings regularly to maintain humidity and encourage rooting.
- Transplant seedlings after they develop strong roots, typically in late spring.
- Water deeply once a week during dry periods for healthy growth.
- Prune lightly after flowering to promote bushiness and more blooms.
- Mulch around base to retain moisture and suppress weeds.
Pro Tip
Use a sunny location with well-draining soil for optimal growth and vibrant blooms.
Keep It Thriving
Care Guide
Do
- Water consistently during dry spells 🌱
- Provide full sun for best flowering
- Feed with a balanced fertilizer monthly during the growing season
- Prune lightly after flowering to encourage bushiness
Don't
- Avoid overwatering to prevent root rot ❌
- Do not plant in heavy, waterlogged soils
- Refrain from excessive fertilizing to prevent leggy growth
- Avoid harsh pruning in late fall
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Propagate | ||||||||||||
| Stake | ||||||||||||
| Winter Prep |
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
Heaven Born Blue Milkweed questions
What zones can Heaven Born Blue Milkweed grow in?
Heaven Born Blue Milkweed is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Heaven Born Blue Milkweed deer resistant?
Yes — Heaven Born Blue Milkweed is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Heaven Born Blue Milkweed bloom?
Heaven Born Blue Milkweed typically blooms in summer to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Heaven Born Blue Milkweed need full sun?
Heaven Born Blue Milkweed does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Heaven Born Blue Milkweed drought tolerant?
Yes — once established (usually after the first full season), Heaven Born Blue Milkweed handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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Grow Heaven Born Blue Milkweed 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.
