North America Native Plant

Trask’s Cryptantha

Botanical name: Cryptantha traskiae

USDA symbol: CRTR7

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Trask’s Cryptantha: A Rare California Treasure You Shouldn’t Plant Meet Trask’s cryptantha (Cryptantha traskiae), one of California’s most elusive native wildflowers. While most gardening blogs encourage you to plant native species, this little annual forb falls into a very different category – one that’s too rare and precious for our ...

Rare plant alert!

Region: Conservation status by state

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) ⚘

Trask’s Cryptantha: A Rare California Treasure You Shouldn’t Plant

Meet Trask’s cryptantha (Cryptantha traskiae), one of California’s most elusive native wildflowers. While most gardening blogs encourage you to plant native species, this little annual forb falls into a very different category – one that’s too rare and precious for our backyard gardens.

What Makes Trask’s Cryptantha Special?

Trask’s cryptantha is a small annual forb, meaning it’s an herbaceous plant that completes its entire life cycle in just one growing season. Like other members of the forget-me-not family, it produces delicate clusters of tiny white flowers that might seem unremarkable at first glance, but represent something truly extraordinary in the plant world.

Where Does It Call Home?

This rare gem is endemic to California, meaning it exists nowhere else on Earth. Its distribution is heartbreakingly small – we’re talking about just a handful of locations across the entire state. The species clings to existence in very specific habitats that have largely disappeared due to development and habitat loss.

The Reality Check: Why You Can’t (and Shouldn’t) Grow It

Here’s the important part: Trask’s cryptantha has a Global Conservation Status of S2, which means it’s imperiled. With only 6 to 20 known occurrences and potentially fewer than 3,000 individual plants remaining in the wild, this species is dancing on the edge of extinction.

This rarity status means:

  • Seeds and plants are not commercially available
  • Collecting from wild populations would be both illegal and harmful
  • Home cultivation could inadvertently introduce diseases or genetic contamination
  • Conservation efforts should be left to professional botanists and conservation organizations

What You Can Do Instead

While you can’t grow Trask’s cryptantha in your garden, you can still support California’s native plant diversity by choosing other members of the Cryptantha genus or similar native forbs that aren’t imperiled. Consider these alternatives:

  • Other Cryptantha species that are more common and available through native plant nurseries
  • Native California wildflowers with similar ecological roles
  • Annual forbs that support local pollinators without conservation concerns

Supporting Conservation

The best way to help Trask’s cryptantha is to support organizations working to protect California’s remaining natural habitats. Land preservation, habitat restoration, and scientific research are the tools that will determine whether future generations get to see this rare beauty in the wild.

Sometimes the most loving thing we can do for a plant is to admire it from afar and work to protect the wild spaces where it belongs. Trask’s cryptantha reminds us that not every native plant is meant for our gardens – some are meant to stay wild, rare, and wonderful in their own small corners of the world.

Trask’s Cryptantha

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Lamiales

Family

Boraginaceae Juss. - Borage family

Genus

Cryptantha Lehm. ex G. Don - cryptantha

Species

Cryptantha traskiae I.M. Johnst. - Trask's cryptantha

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