Also known as California Lilac · 216 gardener saves
Ceanothus: the varieties gardeners actually grow
Ceanothus, the genus most gardeners know as california lilac. We track 16 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 12 most-saved Ceanothus varieties
Of 16 in the catalog — ordered by how many gardeners actually grow them.
#1 most savedNew Jersey Tea
Ceanothus americanus
#2 most savedValley Violet California Lilac
Ceanothus maritimus 'Valley Violet'
#3 most savedVictoria California Lilac
Ceanothus griseus 'Victoria'
California Lilac
Ceanothus thyrsiflorus
Skylark California Lilac
Ceanothus thyrsiflorus 'Skylark'
Autumnal Blue California Lilac
Ceanothus thyrsiflorus 'Autumnal Blue'
Dark Star California Lilac
Ceanothus x impressus 'Dark Star'
Concha California Lilac
Ceanothus cordulatus 'Concha'
Mountain Whitethorn
Ceanothus cordulatus
Julia Phelps California Lilac
Ceanothus x pallidus 'Julia Phelps'
Hearst's Ceanothus
Ceanothus hearstiorum
Yankee Point California Lilac
Ceanothus thyrsiflorus 'Yankee Point'
Browse all 16 Ceanothus varieties →
How to grow Ceanothus
What the Ceanothus varieties in our catalog actually agree on — drawn from the care records of the 16 most-grown of them, not from a generic template.
The Ceanothus year
- PruneMay and June100% of varieties
Prune back by about one-third in late winter to encourage vigorous growth.
- PlantSeptember and October94% of varieties
Plant container-grown plants in spring or fall. Avoid transplanting established plants.
- MulchApril44% of varieties
Apply light mulch layer in spring to keep roots cool and conserve moisture.
Do
- Water deeply during dry spells 🌱
- Prune after flowering to shape the shrub
- Prune after flowering to maintain shape
- Apply a balanced fertilizer annually
- Apply a balanced fertilizer in early spring
Avoid
- Avoid overwatering to prevent root rot ❌
- Don’t prune in late fall or winter
- Avoid overwatering which can cause root rot ❌
- Do not attempt to transplant mature specimens.
What goes wrong with Ceanothus
| Problem | What you'll see | What to do |
|---|---|---|
| Aphids | Sticky residue and distorted leaves | Use insecticidal soap or neem oil |
| Scale insects | Hardened bumps on stems | Apply horticultural oil |
| None significant | This plant is remarkably pest-free. | No action is typically required. |
| Root rot | Wilting and yellowing leaves | Improve drainage and reduce watering |
| Powdery mildew | White powdery coating on leaves | Apply fungicide and increase airflow |
| Root Rot | Wilting, yellowing leaves, and plant death, especially in heavy, poorly drained soils. | Prevention is the only cure. Ensure the planting site has excellent drainage. Do not overwater. |
Making more Ceanothus
Cuttings
- Select healthy semi-woody stems in late summer.
- Cut 4-6 inch sections with clean pruning shears.
- Remove lower leaves and dip in rooting hormone.
- Plant in moist, well-drained soil or potting mix.
- Mist regularly to maintain humidity for 4-6 weeks.
- Transplant once roots are established.
Seeds
- Collect mature seeds in fall.
- Soak seeds in water for 24 hours.
- Sow on surface of well-drained soil.
- Keep soil moist and place in full sun.
- Germination may take 2-4 weeks.
Ceanothus questions
How many types of Ceanothus are there?
The Sow catalog tracks 16 distinct Ceanothus varieties. The most popular — ranked by 216 real gardener saves — are shown first above.
What zones does Ceanothus grow in?
Across its varieties, Ceanothus 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 Ceanothus bloom?
Most Ceanothus varieties bloom in early summer, late winter to spring, mid-spring. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Ceanothus 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
Design with Ceanothus 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.
