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Hopi tea greenthread

Thelesperma megapotamicum

Last reviewed: October 2026

Hopi tea greenthread (Thelesperma megapotamicum) is a perennial forb native to AR, AZ, CO, KS and 7 more states. It blooms in May, June, July, August, and September. The flowers draw bees and butterflies.

Hopi tea greenthread (Thelesperma megapotamicum)
Photo: no rights reserved

Toxicity unknown

Hopi tea greenthread (Thelesperma megapotamicum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

12"–30" H × 12"–18" W

Bloom

May, Jun, Jul, Aug, Sep

Native to

AR, AZ, CO, KS and 7 more states

Pollinators

bees, butterflies

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 458 programs across 44 states, each with a link to the provider and the date we last checked it.

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Picture natives in your own yard

Upload a photo of your yard and Patch Vision shows a rendering of it planted with natives for your region, like Hopi tea greenthread.

Upright perennial with fine, thread-like leaves and simple golden-yellow daisy flowers on long wiry stems, blooming through much of the warm season on dry plains and rocky slopes. Traditionally brewed into a golden herbal tea.

Growing Hopi tea greenthread

Grow Hopi tea greenthread in full sun and low water. Mature plants reach 12 to 30 inches tall and spread 12 to 18 inches wide.

Wildlife value

Long bloom period provides a reliable nectar source for native bees and butterflies through summer.

Common questions

How much sun does Hopi tea greenthread need?
Hopi tea greenthread grows best in full sun conditions.
When does Hopi tea greenthread bloom?
Hopi tea greenthread blooms in May, June, July, August, and September.
Where is Hopi tea greenthread native?
Hopi tea greenthread (Thelesperma megapotamicum) is native to AR, AZ, CO, KS and 7 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Hopi tea greenthread attract?
Hopi tea greenthread draws bees and butterflies.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Hopi tea greenthread? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.