The Story
Plant Bio
An herbaceous perennial that typically dies back to the ground in winter. It forms a rounded clump of aromatic, dark green leaves and is prized for its late-season flowers.
Features unique, cobalt-blue flowers with long stamens that resemble butterflies, attracting bees, hummingbirds, and butterflies from late summer into fall.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Shrub
Height
48 inches
Width
48 inches
Light
Full Sun, Partial Sun
Zones
6, 7, 8, 9
Water
Dry to medium
Humidity
Low to moderate
Lifespan
Herbaceous Perennial
Native To
East Asia
Toxicity
Non-toxic to humans and pets
Bloom period
Late summer – Early fall
In flower about 2 months of the year
Planting
How to Grow
- Select a well-draining soil with neutral to slightly alkaline pH.
- Tuck seeds or cuttings into soil in early spring for best germination.
- Water regularly until established, then reduce frequency.
- Mist cuttings to maintain humidity during propagation.
- Prune lightly after flowering to shape and encourage new growth.
- Apply a balanced fertilizer in spring for optimal growth.
Pro Tip
Use well-draining soil and full sun for vibrant blooms and healthy growth.
Keep It Thriving
Care Guide
Do
- Water deeply during dry spells 💧
- Prune after flowering to promote bushiness ✂️
- Mulch around the base to conserve moisture 🌱
Don't
- Avoid overwatering to prevent root rot ❌
- Don't prune in late fall or winter ❄️
- Avoid heavy fertilization late in the season
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Plant | ||||||||||||
| Prune | ||||||||||||
| Spring Cleanup |
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
Blue Butterflies Caryopteris questions
What zones can Blue Butterflies Caryopteris grow in?
Blue Butterflies Caryopteris is hardy in USDA Zones 6–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Blue Butterflies Caryopteris deer resistant?
Yes — Blue Butterflies Caryopteris is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Blue Butterflies Caryopteris bloom?
Blue Butterflies Caryopteris 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 Blue Butterflies Caryopteris need full sun?
Blue Butterflies Caryopteris does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Blue Butterflies Caryopteris drought tolerant?
Yes — once established (usually after the first full season), Blue Butterflies Caryopteris handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Caryopteris to compare

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Caryopteris x clandonensis 'Longwood Blue'

Bluebeard
Caryopteris divaricata

Pavilion Pink Bluebeard
Caryopteris incana 'Pavilion Pink'

Sunshine Blue II Bluebeard
Caryopteris x clandonensis 'Sunshine Blue II'

Beekeeper Bluebeard
Caryopteris x clandonensis 'Beekeeper'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Blue Butterflies Caryopteris 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.


