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White giant hyssop

Agastache micrantha

White giant hyssop
Photo: Alex Abair, CC BY 4.0

White giant hyssop is a perennial aromatic herb or subshrub from the southwestern US and northern Mexico, growing up to about 60 cm with white flower spikes in late summer to early autumn. It grows best in well-drained, rocky soil in full sun and needs little water once established.

Family
Lamiaceae (Mint family)
Grows as
Perennial
Light
Full sun
Water
Water deeply but infrequently, letting the soil dry out between waterings.
Soil
Fast-draining, gritty or rocky soil; granitic-type soil suits it well.
Temperature
Hardy in mild to warm climates; protect from prolonged frost below about -10 °C.
How easy
Easy
Safety
Not known to be toxic
Native range
Arizona to Texas, Mexico (Chihuahua)
Climate
subtropical

About

Agastache micrantha is a species of flowering plant in the mint family (Lamiaceae). It is native to the southwestern United States and northern Mexico.

Where it grows

Agastache micrantha occurs in the southwestern United States and northern Mexico. It is typically found on granitic substrates, including rocky outcrops and washes, within oak–grassland and pinyon–juniper vegetation zones. The species is most often encountered at mid to higher elevations, roughly between 1,500 and 2,300 m (5,000–7,500 ft).

Other Agastache plants

Mosquito plant · Cusick's giant hyssop · Blue giant hyssop · Giant Mexican Hyssop · Yellow Giant Hyssop · Western giant hyssop · Bill Williams Mountain giant hyssop · Smallleaf giant hyssop · Korean Mint · Threadleaf giant hyssop · Purple giant hyssop · Nettleleaf giant hyssop

Text excerpted from the Wikipedia article Agastache micrantha 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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