Ceanothus x delileanus (California Lilac)
Botanical Information
| Family | Rhamnaceae |
| Genus | Ceanothus |
| Species | x delileanus |
| Category | Woody |
| Type | Shrub (deciduous) |
| Origin | An artificial hybrid produced by crossing C. americanus x C. caeruleus. |
Details
| USDA Hardiness Zone | 6a - 10b |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 6a - 9a and greater |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H2 - H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | (-20) - 5 |
| Temperature (°F) | 4 - 40 |
| Height | 1 - 2 m |
| Spread | 1 - 2 m |
| Growth | Medium |
| Flowering Period | July, August, September, October |
Description and Growing Information
| General Description | A dense, deciduous shrub growing to 2 m wide and 2 m tall. The green leaves have an elliptical shape with serrate margins. |
| Shape | Dense and rounded. |
| Landscape | Ideal for patios, walkways, borders, and hedges. Additionally, this plant is known to attract butterflies making it ideal for a butterfly garden. |
| Propagation | Propagate by seed or stem cuttings. |
| Cultivation | The ideal soil for this shrub is sandy, rocky, well-draining and either acidic or neutral. Grow under full sun or in partial shade. |
| Pests | Susceptible to powdery mildews and leaf spot. |
| Habitat | Horticultural origin. |