Ceanothus ‘Ray Hartman’
Ray Hartman wild lilac
This cultivar of mountain lilac is a cultivated variety, introduced by Rancho Santa Ana Botanic Garden in 1948. It is a hybrid of Ceanothus arboreus × C. griseus, not found in the wild.
Plants: A shrub or small tree, it reaches 12–20′ (3.7–6.1 m) high and 10–20′ (3–6.1 m) around.
Leaves: Dark green, 1″ (2.5 cm) long, oval, highly ridged and wrinkled.
Flowers: Clusters of light to medium blue flower spikes up to 5″ (12 cm) long.
Habitats: Well-drained soil, in full sun.
Online References:
2/24/2010 · San Diego (Quail) Botanic Garden, Encinitas, California 
2/24/2010 · San Diego (Quail) Botanic Garden, Encinitas, California 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Rosidae | Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more |
| Order | Rhamnales | Buckthorns, oleasters, grapes, others |
| Family | Rhamnaceae | Buckthorn family |
| Genus | Ceanothus | Greek for “spiny plant” |
Ceanothus ‘Ray Hartman’ description by Thomas H. Kent, not updated.
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