North America Native Plant

Cima Milkvetch

Botanical name: Astragalus cimae var. sufflatus

USDA symbol: ASCIS

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Cima Milkvetch: A Rare California Native Worth Knowing About Meet the cima milkvetch (Astragalus cimae var. sufflatus), a perennial plant that’s as mysterious as its name suggests. This California native is one of those plants that makes you feel like you’re part of an exclusive club just for knowing it ...

Rare plant alert!

Region: Conservation status by state

Status: S3T3: 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 ⚘ 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. ⚘

Cima Milkvetch: A Rare California Native Worth Knowing About

Meet the cima milkvetch (Astragalus cimae var. sufflatus), a perennial plant that’s as mysterious as its name suggests. This California native is one of those plants that makes you feel like you’re part of an exclusive club just for knowing it exists. While it may not be the showstopper your neighbors are growing, there’s something special about cultivating a connection with truly local flora.

Where Does Cima Milkvetch Call Home?

This little-known perennial is native to California, where it has adapted to life in some pretty specific conditions. As a member of the legume family (you know, like beans and peas), it’s got some neat tricks up its sleeve for surviving in its native habitat.

The Rarity Factor: Why This Matters

Here’s where things get interesting – and a bit cautionary. Cima milkvetch has a Global Conservation Status of S3T3, which suggests it may have some conservation concerns. While the exact meaning of this status isn’t clearly defined in available resources, any plant with a conservation ranking deserves our respect and careful consideration.

If you’re thinking about growing this species, it’s absolutely crucial to source it responsibly. This means:

  • Only purchasing from reputable native plant nurseries
  • Never collecting from wild populations
  • Ensuring any seeds or plants come from ethical propagation programs
  • Considering whether there might be more common alternatives that serve similar ecological functions

Should You Grow Cima Milkvetch?

This is where honesty comes in handy. Cima milkvetch isn’t your typical garden center find, and there’s a good reason for that. With limited information available about its specific growing requirements and potential rarity concerns, it’s not the best choice for most home gardeners.

However, if you’re a dedicated native plant enthusiast with experience growing challenging species, and you can source it responsibly, it could be a fascinating addition to a specialized California native garden. Just remember – with great rarity comes great responsibility!

Growing Conditions and Care

While specific growing information for this variety is limited, we can make some educated guesses based on its California native status and family characteristics:

  • Likely prefers well-draining soils (most California natives do)
  • Probably drought-tolerant once established
  • May benefit from minimal summer water
  • Could be suited for xerophytic or desert-style gardens

As a legume, it likely has the ability to fix nitrogen in the soil, which is always a bonus for supporting other plants in your garden ecosystem.

The Bottom Line

Cima milkvetch represents the fascinating but sometimes frustrating world of rare native plants. While we’d love to give you a complete growing guide, the reality is that some plants are better left to conservation efforts and specialized botanical collections rather than home gardens.

If you’re passionate about supporting California native plants, consider focusing on more readily available species that can provide similar ecological benefits without the conservation concerns. Your local native plant society can point you toward beautiful, garden-worthy alternatives that will give you that native plant satisfaction without the worry.

Sometimes the best way to appreciate a rare plant is simply to know it exists and to support the conservation efforts that help protect it in its natural habitat.

Cima 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 cimae M.E. Jones - cima milkvetch

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