Theodore Payne California Native Plant Database




Ceanothus 'Cynthia Postan'

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Species Name: Ceanothus 'Cynthia Postan'
Common Name: Cynthia Postan ceanothus

This is a beautiful and showy Ceanothus distinguished by its cold hardiness. It has small, glossy dark green leaves and spectacular display of blue flowers in spring. Similar to 'Concha', but bigger.

Plant Family: Rhamnaceae
Plant Type: Shrub
Height by Width: 6-8' H x 8-10' W
Growth Habit: Rounded shrub
Deciduous/Evergreen: Evergreen
Growth Rate: Moderate
Sun Exposure: Full to part sun
Soil Preference: Adaptable
Water Requirements: Drought-tolerant
Cold Hardy to: 10 degrees F
Flower Season: Spring
Flower Color: Blue
Endangered?:
Distribution: Seedling of 'Concha' collected from Tilden Park Botanical Gardenamd selected by Lady Cynthia Postan at Cambridge University
Natural Habitat: Selected for the garden

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