North America Native Plant

Redspot Clarkia

Botanical name: Clarkia speciosa speciosa

USDA symbol: CLSPS

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Godetia parviflora (Hook. & Arn.) Jeps. (GOPA3)  âš˜  Godetia parviflora (Hook. & Arn.) Jeps. var. luteola C.L. Hitchc. (GOPAL)  âš˜  Godetia parviflora (Hook. & Arn.) Jeps. var. margaritiae (Jeps.) C.L. Hitchc. (GOPAM)   

Redspot Clarkia: A Charming California Native Worth Growing If you’re looking to add a touch of delicate beauty to your native California garden, let me introduce you to redspot clarkia (Clarkia speciosa speciosa). This charming annual wildflower might not be the showiest plant in the garden center, but it brings ...

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 Charming California Native Worth Growing

If you’re looking to add a touch of delicate beauty to your native California garden, let me introduce you to redspot clarkia (Clarkia speciosa speciosa). This charming annual wildflower might not be the showiest plant in the garden center, but it brings something special that many gardeners are seeking: authentic native charm with minimal fuss.

What Makes Redspot Clarkia Special

Redspot clarkia is a true California native, belonging to the evening primrose family. As an annual forb, it completes its entire life cycle in one growing season, making it perfect for gardeners who enjoy the excitement of seasonal changes. The plant produces small, delicate flowers in shades of pink to purple, each adorned with distinctive red spots that give this wildflower its common name.

Where Does It Grow Naturally

This lovely wildflower is endemic to California, where it naturally occurs in the coastal ranges and foothills. You’ll find it growing in grasslands, oak woodlands, and chaparral communities throughout the state. Its native status makes it an excellent choice for gardeners committed to supporting local ecosystems and wildlife.

Important Conservation Note

Before you rush to plant redspot clarkia, there’s something important to know. This species has a conservation status that suggests it may be somewhat uncommon in parts of its range. If you decide to grow this beautiful native, please make sure you source seeds or plants from reputable native plant suppliers who collect responsibly. Never collect seeds from wild populations, as this can harm already vulnerable plant communities.

Why Grow Redspot Clarkia

Here are some compelling reasons to consider adding this native annual to your garden:

  • Pollinator magnet: The flowers attract bees, butterflies, and other native pollinators
  • Low maintenance: Once established, it requires minimal care and water
  • Authentic native beauty: Adds genuine California character to your landscape
  • Perfect for naturalized areas: Creates beautiful drifts in wildflower meadows
  • Seasonal interest: Provides spring to early summer blooms when many natives are just getting started

Growing Redspot Clarkia Successfully

The good news is that redspot clarkia is relatively easy to grow once you understand its preferences. As a California native, it’s adapted to our Mediterranean climate and actually prefers conditions that might stress other garden plants.

Ideal Growing Conditions

  • Sunlight: Full sun is best, though it can tolerate light afternoon shade
  • Soil: Well-draining soil is essential – heavy clay or waterlogged conditions will kill it
  • Water: Drought-tolerant once established, but benefits from occasional deep watering during dry spells
  • Climate: Thrives in USDA zones 8-10, perfect for most California gardens

Planting and Care Tips

Since redspot clarkia is an annual, you’ll need to plant it from seed each year. Here’s how to ensure success:

  • Timing: Direct sow seeds in fall (October-November) or early spring (February-March)
  • Soil prep: Lightly rake the soil surface – don’t over-prepare or add rich amendments
  • Seeding: Scatter seeds thinly and barely cover with soil
  • Watering: Keep soil lightly moist until germination, then reduce watering frequency
  • Maintenance: Minimal care needed – just remove weeds and avoid overwatering

Perfect Garden Companions

Redspot clarkia plays well with other California natives. Consider pairing it with:

  • California poppies for a classic wildflower combination
  • Native bunch grasses for textural contrast
  • Other clarkia species for extended bloom time
  • Blue-eyed grass for complementary colors

What to Expect

Your redspot clarkia will typically reach 1-3 feet in height, creating a loose, informal appearance that’s perfect for naturalized settings. The plants bloom from spring through early summer, then set seed and complete their cycle. If conditions are right, you might get lucky with some self-seeding for next year’s display.

The Bottom Line

Redspot clarkia offers California gardeners a chance to grow something truly special – a native wildflower that supports local wildlife while adding delicate beauty to the landscape. Just remember to source your seeds responsibly and give this charming annual the well-draining conditions it needs to thrive. With minimal care and the right growing conditions, you’ll be rewarded with a lovely display of spotted blooms that truly capture the essence of California’s native flora.

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