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Sphaeralcea coulteri
Also called Annual Globemallow
Coulter's globemallow is a native annual herb of the Sonoran Desert, with orange flowers and gray-green leaves, growing wild from northern Mexico to California and Arizona. Its key to growing it is full sun, sharp drainage and sowing seed in the cooler part of the season.
Sphaeralcea coulteri is a species of flowering plant in the mallow family known by the common name Coulter's globemallow. It is native to the Sonoran Desert, its distribution extending from northern Mexico north into California and Arizona. It is an annual herb, its slender, hairy stems sprawling or growing erect to a maximum height near 1.5 meters. The thin, gray-green leaf blades are wide and short, heart-shaped or triangular in shape, and measure up to about 5 centimeters long. They have a few wide lobes along the edges which may have teeth or smaller lobes. The leafy inflorescence bears clusters of flowers each with five wedge-shaped orange petals around a centimeter long, and yellow anthers.
Desert globemallow · Copper globemallow · Scarlet globemallow · Emory's globemallow · La Luna Globemallow · Gierisch's globemallow · Gooseberryleaf globemallow · Gray globemallow · Caliche globemallow · Munro's globemallow · Smallflower globemallow · Rusby's globemallow
Text excerpted from the Wikipedia article Sphaeralcea coulteri 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.
