North America Native Plant

Owens Valley Sidalcea

Botanical name: Sidalcea covillei

USDA symbol: SICO2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Sidalcea neomexicana A. Gray var. covillei (Greene) Roush (SINEC3)   

Owens Valley Sidalcea: A Rare California Native Worth Protecting Meet the Owens Valley sidalcea (Sidalcea covillei), a delicate perennial wildflower that calls California’s rugged landscapes home. This lesser-known member of the mallow family might not be the flashiest plant in your garden center, but it carries a story of resilience ...

Rare plant alert!

Region: Conservation status by state

Status: S3: 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 ⚘

Owens Valley Sidalcea: A Rare California Native Worth Protecting

Meet the Owens Valley sidalcea (Sidalcea covillei), a delicate perennial wildflower that calls California’s rugged landscapes home. This lesser-known member of the mallow family might not be the flashiest plant in your garden center, but it carries a story of resilience and rarity that makes it truly special for native plant enthusiasts.

What Makes This Plant Special

The Owens Valley sidalcea is a charming herbaceous perennial that belongs to the forb category—essentially a flowering plant without woody stems above ground. Think of it as nature’s version of a delicate wildflower that knows how to survive in California’s challenging conditions. Unlike its tree and shrub neighbors, this little beauty keeps its growing points at or below ground level, helping it weather tough seasons.

You might also encounter this plant listed under its scientific synonym, Sidalcea neomexicana var. covillei, but don’t let the name confusion fool you—it’s the same resilient California native.

Where You’ll Find It Growing Wild

This sidalcea is exclusively native to California, making it a true Golden State original. Its natural range is quite limited, which brings us to an important point about this plant’s conservation status.

A Plant That Needs Our Help

Here’s where things get serious: Owens Valley sidalcea has a Global Conservation Status of S3, meaning it’s considered vulnerable. With typically only 21 to 100 occurrences and between 3,000 to 10,000 individual plants in the wild, this species is walking a tightrope between survival and extinction.

What this means for gardeners: If you’re considering adding this plant to your landscape, you absolutely can—but only with responsibly sourced material. Never collect plants from wild populations, and always purchase from reputable native plant nurseries that propagate their stock ethically.

Growing Conditions and Garden Suitability

The Owens Valley sidalcea has adapted to life in both wetland and upland conditions, earning a Facultative Upland status in both the Arid West and Western Mountains regions. This means it’s quite the flexible character—usually preferring drier sites but perfectly capable of handling some moisture when needed.

This adaptability makes it potentially suitable for:

  • Native plant gardens focused on California species
  • Conservation-minded landscapes
  • Drought-tolerant garden designs
  • Areas that experience variable moisture conditions

Why Consider This Rare Beauty

While we don’t have extensive data on this plant’s specific wildlife benefits or pollinator relationships, most plants in the Sidalcea genus are known to support native bees and other beneficial insects. By choosing to grow Owens Valley sidalcea, you’re:

  • Supporting conservation efforts for a vulnerable species
  • Adding authentic California character to your landscape
  • Contributing to habitat preservation efforts
  • Choosing a plant perfectly adapted to local conditions

The Bottom Line

Owens Valley sidalcea isn’t your typical garden center find, and that’s exactly what makes it special. This is a plant for gardeners who want to make a difference—those who understand that sometimes the most meaningful additions to our landscapes are the quiet, unassuming natives that need our help to survive.

If you’re drawn to conservation gardening and want to grow something truly unique to California, seek out this rare sidalcea from ethical sources. You’ll be doing your part to ensure future generations can enjoy this vulnerable piece of California’s natural heritage.

Remember: Always source plants responsibly and never collect from wild populations. Contact local native plant societies or conservation organizations for guidance on finding ethically propagated Owens Valley sidalcea.

Owens Valley Sidalcea

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

Malvales

Family

Malvaceae Juss. - Mallow family

Genus

Sidalcea A. Gray - checkerbloom

Species

Sidalcea covillei Greene - Owens Valley sidalcea

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