Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Prefers moderate humidity
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to pets and humans
The Story
Plant Bio
Aster x is a hybrid species known for its vibrant purple flowers and attraction to pollinators. This hybrid combines traits from multiple Aster species, providing extended blooming time and adaptability.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Select a well-draining soil with moderate fertility.
- Plant in full sun for optimal flowering.
- Water regularly to keep soil moist but not waterlogged.
- Apply a balanced fertilizer during early spring.
- Deadhead spent flowers to promote more blooms.
- Divide clumps every 3-4 years in early spring.
Pro Tip
Mulch around plants to retain moisture and suppress weeds.
Keep It Thriving
Care Guide
Do
- Water deeply during dry spells 🌱
- Prune after flowering to maintain shape
- Fertilize in early spring for best blooms
- Deadhead regularly to extend flowering period
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t neglect pruning, which can lead to leggy growth
- Refrain from using excessive fertilizer that causes lush foliage instead of flowers
- Avoid planting in overly shaded areas
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Harvest | ||||||||||||
| Pest Check | ||||||||||||
| Pinch | ||||||||||||
| 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
Aster questions
What zones can Aster grow in?
Aster is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Aster deer resistant?
Not reliably. Deer may browse Aster, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Aster bloom?
Aster typically blooms in fall through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Aster need full sun?
Aster does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
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
Collections featuring this plant
Hardy in your zone?
Grow 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.
