North America Native Plant

Torrey’s Blazingstar

Botanical name: Mentzelia torreyi var. torreyi

USDA symbol: METOT

Life cycle: biennial

Habit: forb

Native status: Native to the lower 48 states  

Torrey’s Blazingstar: A Drought-Tolerant Native Beauty for Western Gardens If you’re looking for a striking native plant that can handle tough conditions while providing a splash of golden color, meet Torrey’s blazingstar (Mentzelia torreyi var. torreyi). This hardy biennial forb proves that native plants can be both beautiful and low-maintenance ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘

Torrey’s Blazingstar: A Drought-Tolerant Native Beauty for Western Gardens

If you’re looking for a striking native plant that can handle tough conditions while providing a splash of golden color, meet Torrey’s blazingstar (Mentzelia torreyi var. torreyi). This hardy biennial forb proves that native plants can be both beautiful and low-maintenance – a winning combination for any gardener tired of babying water-hungry ornamentals.

What Makes Torrey’s Blazingstar Special?

Torrey’s blazingstar belongs to the fascinating world of native forbs – essentially herbaceous plants that lack woody stems but pack plenty of visual punch. As a biennial, this plant follows a two-year life cycle: spending its first year establishing roots and foliage, then blooming spectacularly in its second year before setting seed.

What really sets this plant apart are its stunning yellow flowers that seem to glow like tiny stars against the landscape. The papery petals have an almost ethereal quality, and the interesting seed pods that follow add another layer of visual interest to your garden even after the blooming period ends.

Where Does It Call Home?

This blazingstar is a true child of the American West, native to California, Idaho, Nevada, and Oregon. It has adapted beautifully to the challenging conditions of these regions, making it perfectly suited for gardeners dealing with hot summers, cold winters, and limited rainfall.

Why Your Garden (and Local Wildlife) Will Love It

Torrey’s blazingstar isn’t just a pretty face – it’s a pollinator magnet! Those bright yellow blooms are like beacon lights for bees and other native pollinators who depend on native plants for survival. By choosing this plant, you’re not just beautifying your space; you’re supporting your local ecosystem.

From a design perspective, this plant shines as an accent in xeriscaping and desert-style gardens. Its unique texture and form create interesting contrast against other drought-tolerant plants, and its vertical growth habit adds valuable height variation to landscape compositions.

Perfect Garden Matches

Torrey’s blazingstar feels right at home in:

  • Xeriscapes and water-wise gardens
  • Native plant gardens
  • Rock gardens and alpine settings
  • Desert-themed landscapes
  • Wildlife and pollinator gardens

Growing Torrey’s Blazingstar Successfully

The beauty of native plants like Torrey’s blazingstar lies in their self-sufficiency. Once established, this plant thrives in USDA hardiness zones 5-9, handling both freezing winters and scorching summers with grace.

Ideal Growing Conditions

  • Sunlight: Full sun is essential – this plant craves those bright, sunny spots
  • Soil: Well-draining sandy or rocky soils work best; heavy clay is a no-go
  • Water: Drought-tolerant once established; actually prefers dry conditions
  • Climate: Adapted to arid and semi-arid climates with temperature extremes

Planting and Care Tips

Getting started with Torrey’s blazingstar is refreshingly straightforward. The best approach is direct seeding in fall, which allows the seeds to experience natural winter stratification – basically a cold treatment that improves germination rates come spring.

Here’s your simple success formula:

  • Plant seeds in fall for best results
  • Choose a sunny location with excellent drainage
  • Water sparingly during establishment, then step back
  • Resist the urge to overwater – this plant actually prefers to stay on the dry side
  • Allow plants to self-seed for natural propagation

The Bottom Line

Torrey’s blazingstar represents everything that’s wonderful about native gardening: beauty, resilience, and ecological value all wrapped up in one low-maintenance package. Whether you’re dealing with challenging growing conditions or simply want to create a more sustainable landscape, this golden beauty deserves a spot in your garden. Your local pollinators will thank you, your water bill will thank you, and you’ll have the satisfaction of growing a true piece of the American West right in your own backyard.

Torrey’s Blazingstar

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Violales

Family

Loasaceae Juss. - Loasa family

Genus

Mentzelia L. - blazingstar

Species

Mentzelia torreyi A. Gray - Torrey's blazingstar

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA