Also known as False Aster · 126 gardener saves
Boltonia: the varieties gardeners actually grow
Boltonia, the genus most gardeners know as false aster. We track 4 varieties; these are the ones gardeners actually save and plant, ranked by real saves rather than catalog marketing. Each links to full care, bloom, and live price data.
The 4 most-saved Boltonia varieties
Of 4 in the catalog — ordered by how many gardeners actually grow them.
#1 most savedSnowbank Boltonia
Boltonia asteroides 'Snowbank'
#2 most savedFalse aster
Boltonia diffusa
#3 most savedPink Beauty Boltonia
Boltonia asteroides 'Pink Beauty'
Apalachicola Boltonia
Boltonia apalachicolensis
How to grow Boltonia
What the Boltonia varieties in our catalog actually agree on — drawn from the care records of the 4 most-grown of them, not from a generic template.
The Boltonia year
- Pinch TipsApril and May75% of varieties
Pinch back stems by half before mid-June to encourage bushier growth
- DivideMarch and September75% of varieties
Divide clumps every 3-4 years to maintain plant vigor
- Spring CleanupFebruary75% of varieties
Cut old, dead stems back to the ground before new growth emerges
- StakeJune and July75% of varieties
Provide support in early summer before it gets too tall.
Do
- Divide every few years to maintain vigor
- Water regularly during dry periods 🌱
- Prune after flowering to maintain shape
- Divide every few years to rejuvenate
- Water deeply during dry spells 🌱
Avoid
- Overwater, especially in winter ❌
- Allow soil to become waterlogged
- Neglect pruning can lead to legginess
- Avoid overwatering in winter ❌
What goes wrong with Boltonia
| Problem | What you'll see | What to do |
|---|---|---|
| Aphids | Sticky residue and distorted leaves | Use insecticidal soap or neem oil |
| Powdery mildew | White powder on leaves | Improve air circulation and apply fungicide |
Making more Boltonia
Division
- Dig up mature clump in early spring.
- Separate into smaller sections with roots intact.
- Plant immediately at same depth.
- Water thoroughly after planting.
Seeds
- Tuck seeds into moist soil in early spring.
- Keep soil consistently moist during germination, which takes 2-3 weeks.
Boltonia questions
How many types of Boltonia are there?
The Sow catalog tracks 4 distinct Boltonia varieties. The most popular — ranked by 126 real gardener saves — are shown first above.
What zones does Boltonia grow in?
Across its varieties, Boltonia covers USDA Zones 4–10. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Boltonia bloom?
Most Boltonia varieties bloom in late summer, late summer to fall. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Boltonia should I choose?
Start from the most-saved varieties above — popularity across thousands of gardens is a strong signal of reliability — then filter by your zone and sun. In the Sow app you can preview any of them in a photo of your actual yard before you buy.
Keep exploring
Boltonia shows up in
By hardiness zone
Design with Boltonia in your own yard
Snap a photo of your space and see these varieties planted in it — sized correctly, matched to your zone, with care reminders included.
