Home
Advanced Search Map Locator
View Settings
Nurseries Carrying this Plant Add Current Plant To List Edit Current Plant
Show all Photos

Butterflies My Plant Lists Nurseries Planting Guide Contact Calscape About Calscape
Tap map to see plants native to location
Order by Popularity Order by Common Name Order by Scientific Name Order by # of Butterflies Hosted
Show nursery cultivars Hide nursery cultivars
Show plants not in nurseries Hide plants not in nurseries
Grid view Text view
Loading....
Island Morning Glory
Calystegia macrostegia
  
About Island Morning Glory (Calystegia macrostegia) 20 Nurseries Carry This Plant Calystegia macrostegia is a species in the Convolvulaceae (Morning Glory) family known by the common name Island Morning Glory. It is found on the Channel Islands and also on the mainland coast from Monterey County southward into Baja, Mexico. It is a woody perennial vine which may be a low and herbaceous or a stout, climbing plant which can approach 9 meters in length. The triangular leaves may be over 10 centimeters wide. It blooms over a long period, producing white to very pale pink blooms with corollas 2 to over 6 centimeters wide.

There are six recognized subspecies with overlapping ranges. There is also a commonly available horticultural variety known as 'Anacapa Pink'. It works best with a fence, trellis or something it can climb on, but can also be used as a ground cover. It grows so vigorously that it may need to be cut back annually. Plant in full sun along the coast. Inland give afternoon shade and additional water.
Plant Description
Plant Type
Plant Type
Perennial herb, Shrub, Vine

Size
Size
1 ft tall
20 - 30 ft wide

Form
Form
Spreading

Growth Rate
Growth Rate
Fast

Dormancy
Dormancy
Summer Semi-Deciduous

Flower Color
Flower Color
Pink, White

Flowering Season
Flowering Season
Winter, Spring, Summer

Wildlife Supported
 


 
Butterflies & moths hosted ( 1 confirmed , 2 likely * ) SHOW ALL

Landscaping Information
Sun
Sun
Full Sun

Moisture
Moisture
Very Low

Summer Irrigation
Summer Irrigation
Max 1x / week once established

Nurseries
Nurseries

Ease of Care
Ease of Care
Very Easy

Cold Tolerance
Cold Tolerance
Tolerates cold to 10° F

Soil Drainage
Soil Drainage
Fast, Medium

Soil Description
Soil Description
Typically sandy and/or rocky soil. Soil PH: 6.0 - 8.0

Common uses
Common uses
Groundcovers, Bee Gardens

Companion Plants
Companion Plants
Island companion plants include Santa Cruz Island Ironwood (Lyonothamnus floribundus ssp. asplenifolius), Island Live Oak (Quercus tometella), Catalina Cherry (Prunus ilicifolia ssp. lyonii), Island Bristleweed (Hazardia detonsa), Redflower Buckwheat (Eriogonum grande var. rubescens), Island Snapdragon (Gambelia speciosa), and Giant Coreopsis (Leptosyne gigantea). Other chaparral and sage scrub companions include California Encelia (Encelia californica), California Sagebrush (Artemisia californica), Bladderpod (Peritoma arborea), and Ceanothus spp.

Maintenance
Maintenance
Prune in winter to control spread and encourage new growth and flowering

Natural Setting
Site Type
Site Type
Dry, rocky places typically near the coast but sometimes in interior mountains and canyons

Climate
Climate
Annual Precipitation: 3.7" - 52.0", Summer Precipitation: 0.14" - 1.89", Coldest Month: 34.9" - 57.6", Hottest Month: 58.2" - 86.2", Humidity: 0.60" - 37.19", Elevation: -2547" - 6450"

Alternative Names
Common Names: Island False Bindweed, Island Morning-glory


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


Sign in to your Calscape Account X




Once signed in, you'll be able to access any previously saved plant lists or create new ones.

Email Address
Password

Sign In