New York Aster Michaelmas Daisy
Aster novi-belgii
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
30 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Eastern North America
Toxicity
Non-toxic
The Story
Plant Bio
Symphyotrichum novi-belgii (formerly Aster novi-belgii), commonly known as New York aster, is a hardy perennial known for its beautiful late-season blooms and resilience in various soil types. This cultivar is particularly valued for its vibrant purple flowers and ability to thrive in wetter conditions compared to other asters.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into moist soil in early spring for best germination.
- Water regularly to keep soil evenly moist during growing season.
- Pinch back early growth to encourage bushier plants.
- Divide clumps every 2-3 years in early spring or fall.
- Apply a balanced fertilizer in spring and mid-summer for optimal growth.
- Deadhead spent flowers to promote continuous blooming.
Pro Tip
Plant in well-drained soil with full sun for vibrant blooms and healthy growth.
Keep It Thriving
Care Guide
Do
- Water consistently during dry spells 💧
- Prune after flowering to maintain shape ✂️
- Apply mulch to retain soil moisture and suppress weeds
- Feed with a balanced fertilizer in spring
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t cut back in late fall — wait until after flowering
- Skip fertilizing in late summer to prevent legginess
- Don’t plant in waterlogged soil
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| 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
New York Aster Michaelmas Daisy questions
What zones can New York Aster Michaelmas Daisy grow in?
New York Aster Michaelmas Daisy 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 New York Aster Michaelmas Daisy deer resistant?
Yes — New York Aster Michaelmas Daisy is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does New York Aster Michaelmas Daisy bloom?
New York Aster Michaelmas Daisy 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 New York Aster Michaelmas Daisy need full sun?
New York Aster Michaelmas Daisy 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
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Hardy in your zone?
Grow New York Aster Michaelmas Daisy 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.
