North America Native Plant

Springville Clarkia

Botanical name: Clarkia springvillensis

USDA symbol: CLSP6

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Springville Clarkia: A Rare California Wildflower Worth Protecting Meet the Springville clarkia (Clarkia springvillensis), a delicate annual wildflower that’s as rare as it is beautiful. This little California native is more than just a pretty face in the garden – it’s a conservation success story waiting to happen in your ...

Rare plant alert!

Region: United States

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Threatened: Experiencing significant population decline or habitat loss that could lead to its endangerment if not addressed. ⚘

Region: United States

Springville Clarkia: A Rare California Wildflower Worth Protecting

Meet the Springville clarkia (Clarkia springvillensis), a delicate annual wildflower that’s as rare as it is beautiful. This little California native is more than just a pretty face in the garden – it’s a conservation success story waiting to happen in your backyard.

What Makes Springville Clarkia Special?

Springville clarkia is a true California original, found naturally only in the Golden State. This annual forb – basically a non-woody flowering plant – puts on a lovely show with its small pink to purple four-petaled blooms. Like other members of the Clarkia family, it’s got that classic evening primrose family charm that makes wildflower enthusiasts swoon.

Where Does It Call Home?

This rare beauty is endemic to California, specifically making its home in the Sierra Nevada foothills around the Springville area. Talk about being a local – this plant is so specialized to its native habitat that you won’t find it growing wild anywhere else in the world.

A Word of Caution: Rarity Alert!

Here’s where things get serious, fellow gardeners. Springville clarkia has a Global Conservation Status of S2, which means it’s considered Imperiled. In plain English? This plant is in trouble, with typically only 6 to 20 known populations and somewhere between 1,000 to 3,000 individual plants remaining in the wild. It’s also listed as Threatened in the United States.

What does this mean for you as a gardener? If you’re interested in growing this rare gem, you absolutely must source it responsibly. Never collect seeds or plants from wild populations – this could push the species closer to extinction. Instead, work with reputable native plant societies or conservation organizations that can provide ethically sourced material.

Why Grow Springville Clarkia?

You might wonder why you’d want to tackle growing such a rare plant. Here are some compelling reasons:

  • Conservation impact: Every garden that successfully grows this species becomes a mini-refuge
  • Pollinator support: Native bees and other small pollinators love these flowers
  • Unique beauty: You’ll have something in your garden that virtually no one else has
  • Educational value: It’s a great conversation starter about plant conservation

Growing Conditions and Care

Springville clarkia thrives in USDA hardiness zones 8-10, which makes sense given its California origins. As an annual, it completes its entire life cycle in one year, so you’ll need to replant each season (or let it self-seed if you’re lucky).

Here’s what this rare beauty needs to thrive:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil is essential – soggy roots spell disaster
  • Water: Minimal watering once established (it’s adapted to California’s dry summers)
  • Planting time: Direct sow seeds in fall for spring blooms

Garden Design Ideas

Springville clarkia works beautifully in:

  • Native California wildflower meadows
  • Conservation-focused gardens
  • Specialized rare plant collections
  • Educational demonstration gardens

Pair it with other California natives that share similar growing requirements, but remember – this isn’t a plant for every garden. It’s for the dedicated native plant enthusiast who’s committed to conservation.

The Bottom Line

Springville clarkia isn’t your typical garden center find, and that’s exactly the point. This rare wildflower offers gardeners a chance to participate in conservation while enjoying something truly special. Just remember: with great rarity comes great responsibility. If you decide to grow this threatened species, make sure you’re sourcing it ethically and treating it with the respect it deserves.

Sometimes the most rewarding gardens are those that help preserve our planet’s botanical treasures, one rare seed at a time.

Springville 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 springvillensis Vasek - Springville clarkia

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