North America Native Plant

Redspot Clarkia

Botanical name: Clarkia speciosa polyantha

USDA symbol: CLSPP

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Redspot Clarkia: A Rare California Native Worth Preserving Meet the redspot clarkia (Clarkia speciosa polyantha), a charming annual wildflower that calls California home. This lesser-known native gem belongs to the evening primrose family and represents one of nature’s more specialized botanical treasures. While you might not find it at your ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3T4: Status is uncertain but is somewhere between the following rankings: 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. ⚘ 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 ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘

Redspot Clarkia: A Rare California Native Worth Preserving

Meet the redspot clarkia (Clarkia speciosa polyantha), a charming annual wildflower that calls California home. This lesser-known native gem belongs to the evening primrose family and represents one of nature’s more specialized botanical treasures. While you might not find it at your local garden center, this unique forb has a story worth telling.

What Makes Redspot Clarkia Special

As an annual forb, redspot clarkia completes its entire life cycle in just one growing season. Unlike woody shrubs or trees, this herbaceous plant lacks significant woody tissue and instead focuses its energy on producing flowers and seeds before the year ends. It’s a classic example of nature’s live fast, bloom bright strategy.

Where You’ll Find This California Native

Redspot clarkia is exclusively native to California, making it a true Golden State original. This geographic restriction adds to its charm but also highlights the importance of conservation efforts for California’s unique flora.

A Conservation Concern

Here’s where things get interesting – and important. Redspot clarkia carries a Global Conservation Status of S4T3T4, which indicates some level of conservation concern. While not critically endangered, this status suggests that the subspecies faces certain pressures or has limited distribution. This makes it all the more valuable for gardeners who want to support native biodiversity.

Should You Grow Redspot Clarkia?

The short answer is: maybe, but with important caveats. As a native California species, redspot clarkia would be a wonderful addition to native plant gardens, especially for those passionate about preserving local flora. However, given its conservation status, responsible sourcing is absolutely critical.

If you’re considering planting redspot clarkia:

  • Only purchase from reputable native plant nurseries that ethically propagate their stock
  • Never collect seeds or plants from wild populations
  • Consider it for specialized native plant collections rather than general landscaping
  • Connect with local native plant societies for guidance on sourcing

Growing Challenges and Alternatives

Unfortunately, detailed growing information for this specific subspecies is limited, which reflects both its rarity and specialized nature. This lack of cultivation information might make it challenging for home gardeners to grow successfully.

Consider these more readily available Clarkia species instead:

  • Farewell-to-spring (Clarkia amoena) – widely available and easy to grow
  • Elegant clarkia (Clarkia unguiculata) – another beautiful California native
  • Red ribbons (Clarkia concinna) – charming and more common

The Bigger Picture

While redspot clarkia might not be the easiest native to add to your garden, it represents something important: California’s incredible plant diversity and the ongoing need for conservation. Whether you grow this specific subspecies or choose related alternatives, supporting native plants helps preserve the natural heritage that makes California’s landscapes so special.

Sometimes the most meaningful gardening choices aren’t about what’s easiest to grow, but about what connects us to the natural world around us. Redspot clarkia reminds us that every native plant has a story, and some of those stories need our help to continue.

Redspot Clarkia

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

Myrtales

Family

Onagraceae Juss. - Evening Primrose family

Genus

Clarkia Pursh - clarkia

Species

Clarkia speciosa F.H. Lewis & M.E. Lewis - redspot clarkia

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