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Calystegia macrostegia ssp. cyclostegia
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Coast Morning Glory
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Calystegia macrostegia ssp. cyclostegia

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About Coast Morning Glory (Calystegia macrostegia ssp. cyclostegia) Coast Morning Glory (Calystegia macrostegia ssp. cyclostegia) is a native perennial herb or vine that grows in Southern and Central California, primarily in the Central Coast and South Coast regions. It tends to grow in dry and rocky places, at elevations from 0-3300 feet.
Plant Description
Plant Type
Vine, Perennial herb

Flower Color

Flowering Season
Spring, Summer, Winter

Native Status

Natural Setting
Site Type
Dry, rocky places


Elevation ?
-139' - 5062'

Annual Precip. ?
7.6" - 47.8"

Summer Precip. ?
0.14" - 1.76"

Coldest Month ?
39.9° F - 56.3° F

Hottest Month ?
58.2° F - 80.9° F

Humidity ?
0.60 vpd - 29.71 vpd


Sunset Zones ?
7, 8, 9, 14*, 15*, 16*, 17*, 18, 19, 20*, 21*, 22*, 23*, 24*

Landscaping Information
Water Requirement ?
Extremely Low, Very Low
Extremely Low
Very Low
Moderate - High

Common uses
Bee Gardens

Nursery Availability
Sometimes Available

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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