North America Native Plant

Funeral Mountain Milkvetch

Botanical name: Astragalus funereus

USDA symbol: ASFU3

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Funeral Mountain Milkvetch: A Rare Desert Gem Worth Protecting Meet the Funeral Mountain milkvetch (Astragalus funereus), a remarkable little desert dweller that’s as rare as it is beautiful. This perennial wildflower might not be heading to your typical suburban garden anytime soon, but it deserves a spotlight for its ecological ...

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) ⚘

Funeral Mountain Milkvetch: A Rare Desert Gem Worth Protecting

Meet the Funeral Mountain milkvetch (Astragalus funereus), a remarkable little desert dweller that’s as rare as it is beautiful. This perennial wildflower might not be heading to your typical suburban garden anytime soon, but it deserves a spotlight for its ecological importance and unique desert charm.

What Makes This Plant Special?

The Funeral Mountain milkvetch is a true native of the American Southwest, calling the harsh but stunning landscapes of California and Nevada home. As its name suggests, this plant has strong ties to the Funeral Mountains region, where it has adapted to some of the most challenging growing conditions on Earth.

This isn’t your average garden center find – and for good reason. With a Global Conservation Status of S2, the Funeral Mountain milkvetch is considered imperiled, with typically only 6 to 20 known occurrences and between 1,000 to 3,000 individual plants remaining in the wild. That makes it extremely rare and vulnerable to extinction.

A Desert Beauty in Miniature

Don’t let its rarity fool you into thinking this plant lacks charm. The Funeral Mountain milkvetch produces delicate purple to pink pea-like flowers that stand out beautifully against its silvery-green compound leaves. Like other members of the legume family, it has that classic sweet pea flower shape that’s both elegant and perfectly adapted to attract desert pollinators.

As a perennial, this hardy little plant returns year after year, though it grows slowly and stays relatively compact – perfect for the resource-scarce desert environment it calls home.

Should You Grow Funeral Mountain Milkvetch?

Here’s where things get complicated. While this plant is undeniably fascinating and ecologically valuable, its imperiled status means we need to approach it with extreme caution and respect.

The Conservation Reality

Because the Funeral Mountain milkvetch is so rare, it should only be grown using responsibly sourced material – and that’s a big if such material is even available. Wild collection is absolutely off-limits and could contribute to the species’ decline. If you’re interested in supporting this species, consider:

  • Supporting conservation organizations working to protect desert habitats
  • Visiting botanical gardens that may have conservation collections
  • Choosing other native milkvetches that aren’t imperiled for your garden

Growing Conditions (For Conservation Efforts)

Should responsibly sourced seeds or plants ever become available for conservation purposes, here’s what the Funeral Mountain milkvetch needs to thrive:

Climate and Hardiness

This desert specialist is adapted to USDA hardiness zones 9-10, specifically the arid regions of the Mojave Desert. It requires extremely low humidity and intense heat tolerance.

Soil and Water Requirements

Like most desert plants, the Funeral Mountain milkvetch demands exceptional drainage. Sandy, rocky, or gravelly soils that drain immediately are essential. Overwatering is likely the fastest way to kill this plant – it’s adapted to survive on minimal rainfall and cannot tolerate soggy conditions.

Sun and Space

Full, intense desert sun is a must. This plant has evolved under the unrelenting Mojave sun and won’t perform in shade or even partial shade conditions.

Wildlife and Pollinator Benefits

Despite its small size and limited distribution, the Funeral Mountain milkvetch plays an important role in its native ecosystem. The flowers attract native desert bees and other specialized pollinators that have co-evolved with desert wildflowers. As a legume, it also helps fix nitrogen in the nutrient-poor desert soils.

The Bigger Picture

While you probably won’t be adding Funeral Mountain milkvetch to your shopping list, learning about rare plants like this one reminds us why native plant gardening matters. Every time we choose common native alternatives over non-native plants, we’re supporting the broader ecosystem that rare species like this depend on.

If you’re drawn to the idea of growing milkvetches, consider looking for more common native species in your area that can provide similar ecological benefits without the conservation concerns. Your local native plant society can point you toward appropriate alternatives that will still support pollinators and add unique beauty to your landscape.

Sometimes the most important thing we can do for a rare plant is simply to appreciate it from afar and protect the wild spaces where it still manages to thrive.

Funeral Mountain Milkvetch

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Astragalus L. - milkvetch

Species

Astragalus funereus M.E. Jones - Funeral Mountain milkvetch

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