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Mt. Vision Ceanothus
Ceanothus gloriosus var. porrectus
  
About Mt. Vision Ceanothus (Ceanothus gloriosus var. porrectus) 23 Nurseries Carry This Plant Mt. Vision Ceanothus is one of three recognized varieties of Ceanothus gloriosus. All three varieties are rare, but var. porrectus is the most rare and has the most limited distribution, being restricted to a handful of sites in the vicinity of Pt. Reyes and Tomales Bay. This is an area that receives significant moisture from summer fog. Mt. Vision Ceanothus tends to grow in sandy places, at elevations from sea level to 1,000 feet. It is low growing, forming a mat or low mound. The evergreen leaves are oppositely arranged and up to 5 centimeters long, rounded to oval in shape. The edges are toothed, the teeth sometimes spine-tipped. The flower cluster is bright blue to purple. The fruit is a horned capsule about 4 millimeters wide. Although this plant is native to the north coast, it has been used in other coastal parts of the state if conditions similar to its native habitat can be maintained.
Plant Description
Plant Type
Plant Type
Shrub

Size
Size
3 ft tall
8 ft wide

Form
Form
Spreading

Growth Rate
Growth Rate
Moderate

Dormancy
Dormancy
Evergreen

Fragrance
Fragrance
Fragrant - Pleasant

Flower Color
Flower Color
Blue, Lavender, Purple

Flowering Season
Flowering Season
Winter, Spring

Wildlife Supported
 
Primarily insects. Plants in the Ceanothus genus are host plants to the Spring Azure, Echo Blue, Pacuvius Duskywing, California Tortoiseshell, Pale Swallowtail, and Hedgerow Hairstreak butterflies.

Landscaping Information
Sun
Sun
part Shade

Moisture
Moisture
Very Low

Summer Irrigation
Summer Irrigation
Max 1x / week once established

Nurseries
Nurseries

Ease of Care
Ease of Care
Moderately Easy

Cold Tolerance
Cold Tolerance
Tolerates cold to 0° F

Soil Drainage
Soil Drainage
Fast

Soil Description
Soil Description
Prefers sand or sandstone. Soil PH: 5.0 - 7.0

Common uses
Common uses
Bank Stabilization, Groundcovers, Bird Gardens, Butterfly Gardens, Bee Gardens

Natural Setting
Site Type
Site Type
Sandy places, bluffs, shrubby slopes, ridges of Marin County

Climate
Climate
Annual Precipitation: 30.6" - 41.8", Summer Precipitation: 0.39" - 0.52", Coldest Month: 46.8" - 48.8", Hottest Month: 61.0" - 67.3", Humidity: 0.90" - 12.72", Elevation: 79" - 1258"

Alternative Names
Common Names: Inverness Ceanothus, Mount Vision Ceanothus


Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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