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Hopi tea greenthread

Thelesperma megapotamicum

Also called Cota, Hopi Tea, Navajo Tea, Rayless Greenthread

Hopi tea greenthread
Photo: JerryFriedman, CC BY-SA 3.0

Hopi tea greenthread is a perennial herb or subshrub from the central and southwestern US, northern Mexico and parts of South America, growing 20 to 80 cm tall with finely divided leaves and yellow or orange flower heads. It is a drought-tolerant wildflower best grown in full sun and well-drained soil.

Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Full sun
Water
Water sparingly once established; let the soil dry out between waterings.
Soil
Well-drained, sandy or gritty soil; tolerates poor, lean soil.
Temperature
Hardy in cold winters in its native range; protect young plants from hard frost.
How easy
Easy
Safety
Not known to be toxic
Native range
WC. & C. U.S.A. to N. Mexico, Uruguay to Argentina
Climate
temperate

About

Thelesperma megapotamicum is a perennial, herbaceous (or slightly woody), flowering plant in the Asteraceae family native to sections of the Americas. It is known by the common names Hopi tea greenthread, rayless greenthread, Navajo tea, cota, and greenthread (a name it shares with other species in the genus).

Where it grows

Thelesperma megapotamicum is native to the portions of the central and southwestern United States (Arizona, Arkansas, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Wyoming), northern Mexico (Chihuahua, Coahuila), and some countries in South America.

Other Thelesperma plants

Navajo tea

Text excerpted from the Wikipedia article Thelesperma megapotamicum 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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