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Ceanothus megacarpus (Big-pod buckbrush)
Hardie-Scott, Linda

Ceanothus megacarpus

Ceanothus megacarpus Nutt.

Big-pod buckbrush, Big-pod ceanothus, Bigpod ceanothus

Rhamnaceae (Buckthorn Family)


USDA Symbol: ceme

USDA Native Status: L48 (N)

A large, compact semi-evergreen shrub, from 4-16 ft. tall, with reddish or grayish-brown branches. Leaves are persistent. White flower clusters are few-flowered and occur on lateral branches.

Quite drought-tolerant.


Plant Characteristics

Duration: Perennial
Habit: Shrub
Leaf: Green
Size Class: 12-36 ft.

Bloom Information

Bloom Color: White
Bloom Time: Jan , Feb , Mar , Apr


Native Distribution: CA coastal areas from Santa Barbara to San Diego Cos.
Native Habitat: Dry, chaparral slopes below 2000 ft.

Growing Conditions

Water Use: Low
Light Requirement: Sun
Soil Moisture: Dry
CaCO3 Tolerance: High
Soil Description: Dry, rocky soils.
Conditions Comments: Quite drought-tolerant.


Conspicuous Flowers: yes


Description: Most Ceanothus spp. come well from seed. Cuttings of this species may also be successful.
Seed Collection: Because dry capsules disperse their seed abruptly with a sudden ejection, it may be necessary to tie cloth bags around the clusters of capsules to catch the seeds.
Seed Treatment: A hot water treatment may be beneficial. (Bring water to a boil and then steep the seeds for 10-15 minutes.)
Commercially Avail: yes

Value to Beneficial Insects

Special Value to Native Bees
Supports Conservation Biological Control

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

View propagation protocol from Native Plants Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:

Native Seed Network - Corvallis, OR

Additional resources

USDA: Find Ceanothus megacarpus in USDA Plants
FNA: Find Ceanothus megacarpus in the Flora of North America (if available)
Google: Search Google for Ceanothus megacarpus


Record Last Modified: 2007-01-01
Research By: TWC Staff

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