prairie sagewort
Artemisia frigida
A genus split is not a placement verdict.
Is this one for your yard?
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Yes, prairie sagewort is generally treated as fire resistant, though one field trial scored it only 5 out of 10.
Five of six sources recommend it. FireSmart BC approves it as fire resistant, while Firewise programs in Wyoming, South Dakota, and New Mexico include it among suitable flowers or groundcovers. The New Mexico Forestry Division lists it from 4,000 feet through 9,000 feet and above, with very low to medium water needs. A Dovetail Partners assessment goes further, placing prairie sagewort in the low-flammability class under a published plant-rating method.
The caution comes from Idaho Firewise, whose field-trial database gives it a fire-resistance score of 5 out of 10. That scale links scores to minimum planting distance from a building, so the result is more specific than inclusion on a general Firewise list. It does not erase the other recommendations, but it argues against treating “fire resistant” as meaning harmless or suitable at any distance.
Prairie sagewort is a low-water perennial in the aster family, reaching about two feet at maturity. The broad agreement across northern, mountain, and southwestern programs supports using it in fire-conscious landscaping, while the Idaho score leaves reason to preserve defensible spacing rather than relying on the plant label alone.
- Form
- perennial
- Mature height
- ~2 ft
- Water need
- low
- Rated in
- Black Hills, South Dakota; British Columbia; Fremont County, Wyoming; New Mexico +2