Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Rhamnaceae

Genus:

Ceanothus

Species:

Ceanothus sonomensis

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub

Height:

3-4 ft

Light Requirements:

Full Sun

Bloom Months:

feb, mar, apr

Bloom Colors:

Blue

Native Range

United States: California

Keystone Species Ranking

Caterpillar Keystone:

★★☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Soil Requirements

Soil Type:

rocky, well-drained, nutrient-poor soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to rocky slopes and ridges

Germination Information