1 named cultivar
The Story
Plant Bio
Aster cordifolius, commonly known as the Heart-leaved Aster, is a perennial plant that thrives in shady areas and produces clusters of small, blue flowers.
It is particularly valued for its ability to bloom late in the summer, providing color in the garden when many other plants are fading.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
24 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to humans and pets
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into well-draining soil in early spring.
- Water regularly to keep soil moist but not waterlogged.
- Provide full sun for optimal flowering.
- Fertilize monthly with balanced fertilizer during active growth.
- Prune spent flowers to encourage new blooms.
- Divide clumps every 2-3 years in early spring for rejuvenation.
Pro Tip
Use organic compost to improve soil fertility and promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water consistently, especially during dry spells 🌱
- Prune dead or faded flowers to extend blooming period
- Mulch around plants to conserve moisture and suppress weeds
Don't
- Avoid overwatering to prevent root rot ❌
- Do not fertilize in late fall to avoid weak, tender growth
- Refrain from heavy pruning in late summer
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Pest Check | ||||||||||||
| Pinch | ||||||||||||
| Stake |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
heartleaf aster cordate-leaved aster questions
What zones can heartleaf aster cordate-leaved aster grow in?
heartleaf aster cordate-leaved aster is hardy in USDA Zones 4–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is heartleaf aster cordate-leaved aster deer resistant?
Yes — heartleaf aster cordate-leaved aster is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does heartleaf aster cordate-leaved aster bloom?
heartleaf aster cordate-leaved aster typically blooms in late summer through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does heartleaf aster cordate-leaved aster need full sun?
heartleaf aster cordate-leaved aster does best in part shade.
More Aster to compare
Lou Williams New England Aster
Aster novae-angliae 'Lou Williams'
New England Aster 'Violetta'
Aster novae-angliae 'Violetta'
Rosa Sieger New England Aster
Aster novae-angliae 'Rosa Sieger'
Crimson Brocade New England Aster
Aster x hybrida 'Crimson Brocade'
Purple Dome New England Aster
Aster novae-angliae 'Purple Dome'
New England Aster
Aster novae-angliae
Keep exploring
Explore the genus
Hardy in your zone?
Grow heartleaf aster cordate-leaved aster 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.