North America Native Plant

Soft Blazingstar

Botanical name: Mentzelia mollis

USDA symbol: MEMO2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Soft Blazingstar: A Rare Gem for Your Native Garden Meet the soft blazingstar (Mentzelia mollis), a delicate annual wildflower that’s as charming as it is uncommon. This native beauty might not be the showiest plant in your garden, but it brings a special kind of magic to those who appreciate ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Soft Blazingstar: A Rare Gem for Your Native Garden

Meet the soft blazingstar (Mentzelia mollis), a delicate annual wildflower that’s as charming as it is uncommon. This native beauty might not be the showiest plant in your garden, but it brings a special kind of magic to those who appreciate subtle elegance and conservation gardening.

What Makes Soft Blazingstar Special?

Soft blazingstar is a native forb—basically a non-woody flowering plant—that calls the American Northwest home. As an annual, it completes its entire life cycle in just one growing season, making every bloom precious and fleeting. The plant produces lovely star-shaped yellow flowers with papery petals that seem to glow in the sunlight, typically appearing from late spring through summer.

Where Does It Naturally Grow?

This native wildflower has a relatively limited range, naturally occurring in Idaho, Nevada, and Oregon. It’s perfectly adapted to the unique conditions of the northwestern United States, thriving in the region’s dry summers and variable climate conditions.

A Word of Caution: Rarity Matters

Important Conservation Note: Soft blazingstar has a Global Conservation Status of S2, meaning it’s considered imperiled due to extreme rarity. With typically only 6 to 20 known occurrences and between 1,000 to 3,000 remaining individuals, this plant is quite vulnerable to extinction. If you’re interested in growing soft blazingstar, please only purchase seeds or plants from reputable native plant nurseries that use responsibly sourced material—never collect from wild populations.

Should You Plant Soft Blazingstar?

Despite its rarity (or perhaps because of it), soft blazingstar can be a wonderful addition to the right garden. Here’s what makes it worth considering:

  • Pollinator magnet: Its bright yellow flowers attract native bees and other small pollinators
  • Low maintenance: Once established, it’s quite drought tolerant
  • Conservation value: You’ll be helping preserve a rare native species
  • Authentic regional character: Perfect for authentic Northwestern native plant gardens

Growing Conditions and Care

Soft blazingstar isn’t fussy, but it does have specific preferences shaped by its native habitat:

  • Sunlight: Full sun is essential
  • Soil: Well-draining, even poor soils are fine—it actually prefers them
  • Water: Drought tolerant once established; avoid overwatering
  • Climate zones: USDA hardiness zones 4-8

Planting and Care Tips

Growing soft blazingstar successfully is all about mimicking its natural environment:

  • Seeding: Direct seed in fall for best germination results
  • Watering: Water sparingly—this plant thrives on neglect once established
  • Soil prep: Don’t amend poor soils; soft blazingstar actually prefers lean conditions
  • Patience: As an annual, remember it will need to reseed each year

Perfect Garden Companions

Soft blazingstar shines in:

  • Native wildflower meadows
  • Xerophytic (dry) gardens
  • Rock gardens with good drainage
  • Naturalized areas that mimic Northwestern ecosystems

The Bottom Line

Soft blazingstar offers gardeners a chance to grow something truly special while contributing to conservation efforts. Its modest size and simple beauty make it perfect for gardeners who appreciate subtle elegance over flashy displays. Just remember—if you choose to grow this rare gem, always source it responsibly and never collect from wild populations. Every soft blazingstar in cultivation helps ensure this beautiful native species continues to grace our landscapes for generations to come.

Soft 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 mollis M. Peck - soft blazingstar

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