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Showy greenbright

Gambelia speciosa

Also called Island Bush Snapdragon

Showy greenbright
Photo: Melburnian, CC BY 2.5

Gambelia speciosa is a perennial shrub from the Channel Islands of California and Guadalupe Island, Mexico, grown for its showy red flowers that attract hummingbirds. Give it a sunny, well-drained spot and very little summer water.

Family
Plantaginaceae (Plantain family)
Grows as
Perennial
Light
Full sun
Water
Water sparingly, especially in summer, and let the soil dry out between waterings.
Soil
Well-drained, sandy or gritty soil.
Temperature
Mild subtropical conditions; protect from hard frost.
How easy
Easy
Native range
California (Channel Is.), Guadalupe
Climate
subtropical

About

Gambelia speciosa, previously classified as Galvezia speciosa, is commonly known as showy island snapdragon or showy greenbright.

It is a perennial plant, which is endemic to California chaparral and woodlands habitats on the Channel Islands in Southern California, and on Guadalupe Island west of the Baja California Peninsula in Baja California, Mexico.

How to grow it

Gambelia speciosa is cultivated as an ornamental plant for native plant, drought tolerant, and wildlife gardens. It generally prefers a sunny site and well-drained soil, with minimal summer water. The flowers attract hummingbirds.

Text excerpted from the Wikipedia article Gambelia speciosa 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.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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