North America Native Plant

Jones’ Blazingstar

Botanical name: Mentzelia jonesii

USDA symbol: MEJO

Life cycle: annual

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Mentzelia nitens Greene var. jonesii (Urb. & Gilg) J. Darl. (MENIJ)  âš˜  Mentzelia nitens Greene var. leptocaulis J. Darl. (MENIL)   

Jones’ Blazingstar: A Dazzling Desert Native for Water-Wise Gardens If you’re looking to add a splash of sunshine to your drought-tolerant garden, Jones’ blazingstar (Mentzelia jonesii) might just be the golden ticket you’ve been searching for. This charming annual wildflower brings desert beauty right to your backyard with its brilliant ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: Status is uncertain but is somewhere between the following rankings: 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 ⚘ 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 ⚘

Region: Conservation status by state

Jones’ Blazingstar: A Dazzling Desert Native for Water-Wise Gardens

If you’re looking to add a splash of sunshine to your drought-tolerant garden, Jones’ blazingstar (Mentzelia jonesii) might just be the golden ticket you’ve been searching for. This charming annual wildflower brings desert beauty right to your backyard with its brilliant yellow, star-shaped blooms that seem to glow in the landscape.

What Makes Jones’ Blazingstar Special?

Jones’ blazingstar is a true southwestern native, naturally occurring across Arizona, California, Nevada, and Utah. As an annual forb herb, this delightful plant completes its entire life cycle in just one growing season, making it perfect for gardeners who enjoy seasonal variety in their landscapes.

The plant produces stunning yellow flowers with prominent stamens that create an almost fireworks-like display – hence the blazingstar name! These eye-catching blooms typically appear in spring and early summer, creating a spectacular show when planted in masses.

Why Grow Jones’ Blazingstar?

There are several compelling reasons to consider adding this native beauty to your garden:

  • Water-wise wonder: Once established, it thrives with minimal irrigation, making it perfect for xeriscapes and drought-prone areas
  • Pollinator magnet: The nectar-rich flowers attract bees, butterflies, and other beneficial pollinators to your garden
  • Low maintenance: As a native annual, it requires very little care once it gets going
  • Authentic southwestern charm: Adds genuine regional character to desert and native plant gardens

Perfect Garden Settings

Jones’ blazingstar shines brightest in:

  • Desert and xeriscape gardens
  • Native plant landscapes
  • Rock gardens and gravelly areas
  • Wildflower meadows
  • Water-wise borders and accents

Growing Conditions and Care

This desert native is refreshingly easy to grow when given the right conditions:

Climate: Thrives in USDA hardiness zones 8-10, where it can handle the heat and occasional cold snaps.

Sunlight: Requires full sun to produce its best flower display – at least 6 hours of direct sunlight daily.

Soil: Prefers well-draining sandy or rocky soils. Heavy, clay soils that retain moisture can spell trouble for this desert dweller.

Water: Extremely drought tolerant once established. Overwatering is more harmful than underwatering for this tough little plant.

Planting and Care Tips

Getting Jones’ blazingstar established in your garden is straightforward:

  • Seeding: Direct seed in fall for spring germination, mimicking natural growing patterns
  • Spacing: Allow adequate space between plants for good air circulation
  • Watering: Provide minimal supplemental water; this plant actually prefers lean conditions
  • Fertilizer: Skip the fertilizer – rich soils can actually reduce flowering

Important Conservation Note

Jones’ blazingstar has a conservation status that suggests it’s uncommon to fairly common in its native range. If you’re interested in growing this species, please ensure you source seeds or plants from reputable native plant nurseries that practice responsible collection methods. Avoid collecting from wild populations.

The Bottom Line

Jones’ blazingstar offers southwestern gardeners a fantastic opportunity to grow an authentic native that’s both beautiful and beneficial to local ecosystems. While it may be an annual that requires replanting, its stunning floral display, pollinator value, and ultra-low water needs make it a worthwhile addition to any water-wise garden. Just remember to source your plants responsibly and give them the sunny, well-draining conditions they crave!

Jones’ 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 jonesii (Urb. & Gilg) H.J. Thomp. & Roberts - Jones' blazingstar

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