Tenpetal blazingstar
Mentzelia decapetala
Last reviewed: September 2026
Toxicity unknown
Tenpetal blazingstar (Mentzelia decapetala) 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"–36" H × 12"–24" W
Bloom
Jul, Aug, Sep
Native to
CO, IA, KS, MN and 8 more states
Pollinators
moths, bees
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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A branching wildflower with rough, toothed leaves and large, many-petaled creamy white flowers that open in the evening. Grows on dry, eroded slopes and badlands.
In an HOA neighborhood
Tenpetal blazingstar is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 2 out of 5.
Works well in: backyard habitat areas, meadow plantings.
- Leaves have barbed hairs that cling to clothing.
- Can look rangy after flowering.
Wildlife value
Evening-opening flowers are visited by night-flying moths, and bees work them at dawn.
Common questions
- How much sun does Tenpetal blazingstar need?
- Tenpetal blazingstar grows best in full sun conditions.
- When does Tenpetal blazingstar bloom?
- Tenpetal blazingstar blooms in July, August, and September.
- Where is Tenpetal blazingstar native?
- Tenpetal blazingstar (Mentzelia decapetala) is native to CO, IA, KS, MN and 8 more states, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Tenpetal blazingstar attract?
- Tenpetal blazingstar draws moths and bees.
- Is Tenpetal blazingstar HOA-friendly?
- Tenpetal blazingstar is generally an HOA-friendly choice in the right placement, with moderate maintenance.
Native range data from vouchered herbarium specimen records and regional native plant society lists. 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 Tenpetal blazingstar? 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