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Bill Williams Mountain giant hyssop

Agastache pallidiflora

Also called Mountain Giant Hyssop, New Mexico Giant Hyssop

Bill Williams Mountain giant hyssop
Photo: Patrick Alexander from Las Cruces, NM, CC0

Bill Williams Mountain giant hyssop is a perennial herb in the mint family, growing up to about 1.2 m tall with white to purple flowers from July to October. It is native to moist canyons from Colorado to northeastern Mexico and suits gardens with good drainage and summer moisture.

Family
Lamiaceae (Mint family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water regularly through the growing season, allowing the top of the soil to dry slightly between waterings.
Soil
Well-drained, fertile loam; tolerates a range of soils if drainage is good.
Temperature
Hardy in cold winters; protect young plants from frost; comfortable in warm summers.
How easy
Easy
Native range
Colorado to NE. Mexico
Climate
subtropical

About

Agastache pallidiflora, commonly known as New Mexico giant hyssop or Bill Williams Mountain giant hyssop, is a plant in the mint family.

Uses

It is used by the Ramah Navajo as a ceremonial chant lotion, for bad coughs, and the dried, pulverized root used as dusting powder for sores or cankers. The Ramah also use it a fumigant for "deer infection", as a febrifuge, and to protect from witches.

Other Agastache plants

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

Text excerpted from the Wikipedia article Agastache pallidiflora 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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