North America Native Plant

Wiggins’ Cryptantha

Botanical name: Cryptantha wigginsii

USDA symbol: CRWI7

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Wiggins’ Cryptantha: A Rare California Native Worth Protecting Meet Wiggins’ cryptantha (Cryptantha wigginsii), a delicate annual wildflower that’s become one of California’s botanical treasures. This unassuming little plant might not win any flashy flower contests, but it holds a special place in the Golden State’s native plant community—and unfortunately, it’s ...

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) ⚘

Wiggins’ Cryptantha: A Rare California Native Worth Protecting

Meet Wiggins’ cryptantha (Cryptantha wigginsii), a delicate annual wildflower that’s become one of California’s botanical treasures. This unassuming little plant might not win any flashy flower contests, but it holds a special place in the Golden State’s native plant community—and unfortunately, it’s becoming increasingly rare.

What Makes Wiggins’ Cryptantha Special?

This charming annual belongs to the borage family and grows as what botanists call a forb—basically a soft-stemmed plant that lacks woody tissue. Think of it as nature’s version of a delicate wildflower that completes its entire life cycle in just one growing season. Wiggins’ cryptantha produces clusters of tiny white flowers that may be small in stature but are mighty in their ecological importance.

Where Does It Call Home?

Wiggins’ cryptantha is a true California native, found exclusively within the state’s borders. This makes it what we call an endemic species—it exists nowhere else on Earth. The plant typically thrives in California’s desert and semi-arid regions, where it has adapted to the challenging conditions of limited water and intense sunshine.

A Conservation Concern

Here’s where things get serious: Wiggins’ cryptantha carries a Global Conservation Status of S2, meaning it’s considered Imperiled. With typically only 6 to 20 known occurrences and possibly as few as 1,000 to 3,000 individual plants remaining, this species is vulnerable to extinction. This rarity status is crucial for any gardener to understand before considering cultivation.

Should You Grow Wiggins’ Cryptantha?

The short answer is: only if you can source it responsibly. Because of its imperiled status, we strongly recommend that home gardeners avoid collecting seeds or plants from wild populations. Instead, if you’re passionate about supporting this species, consider:

  • Purchasing seeds or plants from reputable native plant nurseries that ethically propagate the species
  • Supporting conservation organizations working to protect its natural habitat
  • Growing other, more common Cryptantha species that provide similar ecological benefits

Garden Role and Design Uses

When grown responsibly, Wiggins’ cryptantha serves as an excellent addition to:

  • Native California plant gardens
  • Desert and xeriscape landscapes
  • Rock gardens with excellent drainage
  • Conservation collections focused on rare species
  • Educational gardens highlighting California’s botanical heritage

Growing Conditions and Care

If you do obtain ethically sourced seeds or plants, Wiggins’ cryptantha thrives in conditions that mimic its natural habitat:

  • Sunlight: Full sun exposure
  • Soil: Well-draining, sandy or rocky soil that doesn’t retain excess moisture
  • Water: Low water requirements once established; avoid overwatering
  • Climate: Best suited for USDA hardiness zones 8-10

Planting and Care Tips

As an annual, Wiggins’ cryptantha is typically grown from seed:

  • Direct seed in fall for spring germination
  • Scatter seeds on prepared soil surface and lightly rake in
  • Water gently until germination occurs
  • Once established, reduce watering significantly
  • Allow plants to self-seed for natural reproduction

Benefits for Pollinators and Wildlife

Despite their small size, the white flowers of Wiggins’ cryptantha provide valuable nectar and pollen for native California bees and other small pollinators. These relationships have evolved over thousands of years, making the plant an important component of local food webs.

The Bottom Line

Wiggins’ cryptantha represents both the beauty and fragility of California’s native flora. While it’s a fascinating plant that deserves our admiration and protection, home gardeners should approach cultivation with extreme caution and responsibility. Consider supporting its conservation through habitat protection and responsible gardening practices, and explore growing more common native alternatives that can provide similar garden benefits without the conservation concerns.

Remember: every rare plant that disappears takes with it thousands of years of evolutionary history. Let’s make sure Wiggins’ cryptantha continues to grace California’s landscapes for generations to come.

Wiggins’ 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 wigginsii I.M. Johnst. - Wiggins' cryptantha

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