North America Native Plant

Ash Meadows Gumweed

Botanical name: Grindelia fraxinopratensis

USDA symbol: GRFR

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Grindelia fraxinipratensis Reveal & Beatley, orth. var. (GRFR2)   

Ash Meadows Gumweed: A Rare Desert Jewel Worth Protecting Meet Ash Meadows gumweed (Grindelia fraxinopratensis), a fascinating perennial wildflower that’s as rare as it is beautiful. This little-known native gem represents one of nature’s most specialized success stories, thriving in a unique corner of the American Southwest where few plants ...

Rare plant alert!

Region: United States

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) ⚘ Threatened: Experiencing significant population decline or habitat loss that could lead to its endangerment if not addressed. ⚘

Region: United States

Ash Meadows Gumweed: A Rare Desert Jewel Worth Protecting

Meet Ash Meadows gumweed (Grindelia fraxinopratensis), a fascinating perennial wildflower that’s as rare as it is beautiful. This little-known native gem represents one of nature’s most specialized success stories, thriving in a unique corner of the American Southwest where few plants dare to grow.

What Makes Ash Meadows Gumweed Special

This charming forb belongs to the sunflower family and produces cheerful yellow daisy-like blooms that might remind you of its more common gumweed cousins. But don’t let its familiar appearance fool you – this plant is anything but ordinary. As a perennial herb, it returns year after year, slowly building sustainable populations in its specialized habitat.

The plant gets its gumweed name from the characteristic sticky, resinous bracts that surround its flower heads – a trait shared with other Grindelia species that helps protect the developing flowers from insects and harsh conditions.

Where It Calls Home

Ash Meadows gumweed has one of the most restricted ranges of any North American wildflower, growing naturally only in California and Nevada. This highly specialized plant is endemic to the unique alkaline wetland systems of the Mojave Desert region, where underground springs create oasis-like conditions in an otherwise arid landscape.

A Plant in Need of Protection

Important Conservation Note: Before we dive into growing tips, it’s crucial to understand that Ash Meadows gumweed is listed as Threatened and has a Global Conservation Status of S2 (Imperiled). This means it’s extremely rare, with typically only 6 to 20 known populations and fewer than 3,000 individual plants in the wild.

If you’re interested in growing this remarkable plant, please only use responsibly sourced material from reputable native plant nurseries that propagate from legally collected seeds – never collect from wild populations.

Growing Conditions: Recreating a Desert Oasis

Successfully growing Ash Meadows gumweed means understanding its unique preferences. This isn’t your typical drought-tolerant desert plant – it’s actually a facultative wetland species that thrives in consistently moist conditions.

Key growing requirements:

  • Full sun exposure
  • Alkaline, mineral-rich soils
  • Consistent moisture (not drought-tolerant despite its desert origins)
  • Good drainage to prevent waterlogging
  • USDA hardiness zones 8-10

Garden Role and Design Ideas

While this plant isn’t suitable for typical home landscapes due to its specialized needs and conservation status, it can play an important role in:

  • Conservation gardens focused on rare species preservation
  • Educational native plant collections
  • Specialized wetland restoration projects
  • Research and botanical garden settings

Wildlife and Pollinator Benefits

Like other members of the sunflower family, Ash Meadows gumweed likely provides valuable nectar and pollen for native bees, butterflies, and other pollinators. Its late-season blooms can be particularly important for wildlife preparing for winter in harsh desert environments.

Care and Maintenance

If you’re fortunate enough to grow this rare beauty, keep these care tips in mind:

  • Maintain consistent soil moisture throughout the growing season
  • Avoid using fertilizers, as the plant is adapted to naturally mineral-rich but nutrient-poor soils
  • Minimize soil disturbance around established plants
  • Allow plants to go dormant naturally in winter
  • Consider growing in containers with specialized soil mixes if your garden conditions aren’t suitable

The Bottom Line

Ash Meadows gumweed represents both the incredible diversity of North American flora and the urgent need for plant conservation. While most gardeners won’t have the opportunity to grow this rare species, learning about it helps us appreciate the remarkable adaptations plants have evolved and the importance of protecting specialized habitats.

If you’re passionate about rare plant conservation, consider supporting organizations that work to protect desert wetland habitats, or look for other responsibly sourced rare natives that might thrive in your specific growing conditions. Every rare plant we successfully cultivate and protect is a small victory for biodiversity.

Ash Meadows Gumweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Grindelia Willd. - gumweed

Species

Grindelia fraxinopratensis Reveal & Beatley - Ash Meadows gumweed

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