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Smooth-stem Blazingstar

Mentzelia laevicaulis

Last reviewed: June 2026

Smooth-stem Blazingstar (Mentzelia laevicaulis)
Photo: Robert Flogaus-Faust / Wikimedia Commons (CC BY 4.0)

Light

full sun

Water

low

Size

12"–36" H × 6"–18" W

Bloom

Jun, Jul, Aug

Native to

AZ, CA, CO, ID and 6 more states

Pollinators

bees, beetles

Smooth-stem blazingstar is a drought-tolerant wildflower that produces large, showy yellow flowers during summer months. This plant grows 1-3 feet tall with a relatively compact spread, making it suitable for xeriscaping and low-water gardens.

In an HOA neighborhood

Smooth-stem Blazingstar takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Annual growth creates gaps in planting design
  • Can appear weedy or unkempt to traditional landscaping preferences
  • Unpredictable establishment year to year

Wildlife value

The bright yellow blooms attract native bees and beetles during the summer flowering period. As an annual, it provides seasonal nectar resources for pollinators.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Smooth-stem Blazingstar fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.