Native Plants

Redspot Clarkia

Clarkia speciosa polyantha

USDA symbol: CLSPP

annual forb

Lower 48 states: native

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 ...

Redspot Clarkia may be listed as rare in your area.
Global Conservation Status

Status: S4T3T4 | Subspecies or varieties apparently secure: Uncommon but not rare, and usually widespread. Possible cause for longterm concern. Typically more than 100 occurrences 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.

  • Species observed
  • No observations

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.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
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

Subspecies: Clarkia speciosa F.H. Lewis & M.E. Lewis ssp. polyantha - 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