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Convolvulus macrostegius

Calystegia macrostegia

Also called Island false bindweed

Convolvulus macrostegius
Photo: Copyright by Curtis Clark, licensed as noted, CC BY-SA 2.5

Island false bindweed is a woody perennial vine or low shrub native to coastal Southern California and Baja California, grown for its large white to pale pink flowers and drought tolerance. It thrives in full sun and sharply drained soil, and is best kept dry once established.

Family
Convolvulaceae (Morning-glory family)
Light
Full sun
Water
Water deeply but infrequently, letting the soil dry fully between waterings; once established it needs little or no summer irrigation.
Soil
Very well-drained, sandy or gritty soil; avoid heavy clay.
Temperature
10–35 °C; protect from hard frost below about -5 °C.
How easy
Easy

About

Convolvulus macrostegius, with the common names island false bindweed and island morning glory, is a species of morning glory in the family Convolvulaceae.

How to grow it

Convolvulus macrostegius is cultivated as an ornamental plant, used as a vine and groundcover in native plant, drought tolerant, and wildlife gardens. It is a pollinator plant for native bee species.

Where it grows

The plant is native to California coastal sage and chaparral habitats, along the coasts in Southern California and into Baja California, Mexico.

Other Calystegia plants

Convolvulus × dubius

Text excerpted from the Wikipedia article Convolvulus macrostegius by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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