Concha California Lilac
Ceanothus cordulatus 'Concha'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Shrub
Height
72 inches
Width
84 inches
Light
Full Sun, Partial Sun
Zones
8, 9
Water
Low once established
Humidity
Average
Lifespan
10-15 years
Native To
California
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
A compact evergreen shrub with deep blue flowers, known for its drought tolerance. The cultivar 'Concha' is prized for its rich blue flowers and dense foliage, making it a standout in gardens.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Select well-draining soil with neutral to slightly alkaline pH.
- Plant in full sun for optimal flowering and growth.
- Tuck seeds or cuttings into moist soil and keep consistently moist for 4-6 weeks.
- Transplant young plants after the threat of frost has passed, typically in spring.
- Mulch around the base to conserve moisture and suppress weeds.
- Water regularly during the first year, then reduce as established.
Pro Tip
Use fast-draining soil and ensure plenty of sunlight for best flowering results.
Keep It Thriving
Care Guide
Do
- Provide full sun for at least 6 hours daily 🌞
- Water young plants regularly during dry spells 💧
- Prune after flowering to maintain shape and remove dead branches ✂️
- Mulch to retain moisture and prevent weeds 🌱
Don't
- Avoid overwatering which can cause root rot ❌
- Don’t plant in heavy, poorly-drained clay soil 🚫
- Refrain from heavy fertilization which can promote excessive foliage at the expense of flowers ❌
- Avoid pruning in late fall or winter ❌
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Plant | ||||||||||||
| Prune |
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
Concha California Lilac questions
What zones can Concha California Lilac grow in?
Concha California Lilac is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Concha California Lilac deer resistant?
Yes — Concha California Lilac is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Concha California Lilac bloom?
Concha California Lilac typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Concha California Lilac need full sun?
Concha California Lilac does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Concha California Lilac drought tolerant?
Yes — once established (usually after the first full season), Concha California Lilac handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Ceanothus to compare
New Jersey Tea
Ceanothus americanus
Valley Violet California Lilac
Ceanothus maritimus 'Valley Violet'
Victoria California Lilac
Ceanothus griseus 'Victoria'
California Lilac
Ceanothus thyrsiflorus
Skylark California Lilac
Ceanothus thyrsiflorus 'Skylark'
Autumnal Blue California Lilac
Ceanothus thyrsiflorus 'Autumnal Blue'
Keep exploring
Explore the genus
Collections featuring this plant
Hardy in your zone?
Grow Concha California Lilac 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.
