Aleutian Mugwort
Artemisia tilesii
Last reviewed: August 2026
Toxicity unknown
Aleutian Mugwort (Artemisia tilesii) 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.
Aleutian Mugwort is listed as toxic to grazing livestock (cattle, sheep, and goats) at a moderate level by the USDA PLANTS Database (opens in new tab). This is a livestock indicator and is separate from pet toxicity.
Light
full sun
Water
medium
Size
12"–36" H × 12"–24" W
Bloom
Jul, Aug, Sep
Native to
ID, MT, OR, WA
Pollinators
bees, beetles
Before you buy
Your city may pay you to plant this
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Aleutian mugwort is a compact native perennial with silvery-green aromatic foliage that forms neat clumps. It produces small yellowish flower clusters from July through September and maintains an attractive mounded shape throughout the growing season.
In an HOA neighborhood
Aleutian Mugwort takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Can spread aggressively and look weedy
- Flowers are small and inconspicuous
- May appear unkempt during dormant season
Wildlife value
This plant supports bees and beetles with its late summer blooms. The seeds also provide food for birds in fall and winter.
Common questions
- How much sun does Aleutian Mugwort need?
- Aleutian Mugwort grows best in full sun conditions.
- When does Aleutian Mugwort bloom?
- Aleutian Mugwort blooms in July, August, and September.
- Where is Aleutian Mugwort native?
- Aleutian Mugwort (Artemisia tilesii) is native to ID, MT, OR, WA, per the World Checklist of Vascular Plants (Kew).
- Is Aleutian Mugwort toxic to livestock?
- Aleutian Mugwort is listed as toxic to grazing livestock such as cattle, sheep, and goats (moderate severity) by the USDA PLANTS Database. This is separate from pet (dog and cat) toxicity.
- What pollinators does Aleutian Mugwort attract?
- Aleutian Mugwort draws bees and beetles.
- Is Aleutian Mugwort HOA-friendly?
- Aleutian Mugwort takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
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.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Aleutian Mugwort? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
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