North America Native Plant

Cushion Cryptantha

Botanical name: Cryptantha circumscissa var. rosulata

USDA symbol: CRCIR

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Cryptantha circumscissa (Hook. & Arn.) I.M. Johnst. ssp. rosulata (J.T. Howell) Mathew & P.H. Raven (CRCIR2)   

Cushion Cryptantha: A Rare Native Gem for California Gardens If you’re passionate about native California plants and love discovering botanical treasures, cushion cryptantha (Cryptantha circumscissa var. rosulata) might just capture your heart. This charming little annual brings authentic Golden State character to your garden, though it comes with an important ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Cushion Cryptantha: A Rare Native Gem for California Gardens

If you’re passionate about native California plants and love discovering botanical treasures, cushion cryptantha (Cryptantha circumscissa var. rosulata) might just capture your heart. This charming little annual brings authentic Golden State character to your garden, though it comes with an important conservation story that every gardener should know.

What Makes Cushion Cryptantha Special

Cushion cryptantha is a true California native, found exclusively within the state’s diverse landscapes. As an annual forb, this petite plant completes its entire life cycle in a single growing season, making it a fascinating addition to gardens that celebrate the natural rhythms of California’s Mediterranean climate.

The plant forms low-growing rosettes and produces delicate clusters of small white flowers that unfurl in characteristic coiled arrangements – a signature trait of the borage family. While it may not have the showstopping blooms of some garden favorites, its understated beauty lies in its authentic wild character and ecological connections.

Where You’ll Find It Growing Wild

This variety of cryptantha calls California home, thriving in the state’s varied ecosystems from coastal areas to inland regions. You’ll typically find it in disturbed soils, open areas, and naturally dry habitats where it has adapted to California’s distinct wet-winter, dry-summer pattern.

Important Conservation Considerations

Here’s where things get serious: cushion cryptantha carries a Global Conservation Status of S5T2, indicating it’s considered rare or threatened. This means that while you can absolutely appreciate and grow this native beauty, it’s crucial to source seeds or plants responsibly. Never collect from wild populations, and always purchase from reputable native plant nurseries that practice ethical propagation methods.

By growing this plant responsibly, you’re actually contributing to conservation efforts while enjoying a piece of California’s natural heritage in your own backyard.

Perfect Garden Roles

Cushion cryptantha shines in several garden settings:

  • Native California plant gardens where authenticity matters
  • Rock gardens and dry landscapes that mimic natural habitats
  • Xeriscape designs focused on water conservation
  • Naturalistic plantings that support local wildlife
  • Educational gardens showcasing rare native species

Wildlife and Pollinator Benefits

Don’t let its modest size fool you – cushion cryptantha punches above its weight when it comes to supporting local ecosystems. The small white flowers attract native bees and other tiny pollinators that are often overlooked but essential for healthy California landscapes. As an annual that completes its cycle naturally, it also provides seeds for small birds and contributes to the complex web of relationships that make native habitats thrive.

Growing Conditions and Care

Like many California natives, cushion cryptantha appreciates conditions that mirror its natural habitat:

  • Sunlight: Full sun exposure
  • Soil: Well-draining, sandy, or rocky soils
  • Water: Drought tolerant once established; follows natural rainfall patterns
  • Climate zones: USDA zones 8-10, thriving in California’s Mediterranean climate

Planting and Care Tips

Success with cushion cryptantha starts with understanding its annual nature and natural preferences:

  • Direct seed in fall to align with California’s natural growing season
  • Choose a sunny spot with excellent drainage – soggy soil is this plant’s enemy
  • After germination, provide minimal supplemental water once plants are established
  • Allow plants to complete their natural cycle and drop seeds for next year’s generation
  • Disturbed or recently cleared soil often provides ideal germination conditions

Is Cushion Cryptantha Right for Your Garden?

Consider adding cushion cryptantha to your landscape if you’re passionate about native plants, interested in supporting conservation efforts, and appreciate subtle natural beauty over flashy garden displays. It’s perfect for gardeners who want to create authentic California habitats and support local pollinators while growing something truly special.

Remember, the key to success – and responsible gardening – lies in sourcing this rare native ethically and providing the well-drained, sunny conditions it craves. Your garden will gain not just a beautiful plant, but a living piece of California’s botanical heritage.

Cushion 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 circumscissa (Hook. & Arn.) I.M. Johnst. - cushion cryptantha

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