North America Native Plant

Palmer’s Cryptantha

Botanical name: Cryptantha palmeri

USDA symbol: CRPA21

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Cryptantha coryi I.M. Johnst. (CRCO14)   

Palmer’s Cryptantha: A Hidden Gem for Water-Wise Native Gardens If you’re looking for a tough, drought-tolerant native plant that quietly does its job without demanding attention, Palmer’s cryptantha (Cryptantha palmeri) might just be your new gardening buddy. This unassuming perennial herb brings subtle beauty and ecological value to southwestern landscapes ...

Palmer’s Cryptantha: A Hidden Gem for Water-Wise Native Gardens

If you’re looking for a tough, drought-tolerant native plant that quietly does its job without demanding attention, Palmer’s cryptantha (Cryptantha palmeri) might just be your new gardening buddy. This unassuming perennial herb brings subtle beauty and ecological value to southwestern landscapes while asking for very little in return.

What is Palmer’s Cryptantha?

Palmer’s cryptantha is a native perennial forb that belongs to the borage family. As a forb herb, it’s a vascular plant that stays relatively low to the ground without developing significant woody tissue. Don’t let its modest appearance fool you – this little plant is perfectly adapted to thrive in challenging desert conditions where many other plants would struggle.

You might also encounter this plant listed under its scientific synonym, Cryptantha coryi, in older botanical references, but Cryptantha palmeri is the currently accepted name.

Where Does Palmer’s Cryptantha Call Home?

This southwestern native has carved out its niche in New Mexico and Texas, where it has evolved to handle the region’s challenging climate conditions. As a true native of the lower 48 states, it’s perfectly suited to support local ecosystems and wildlife.

Why Consider Palmer’s Cryptantha for Your Garden?

Palmer’s cryptantha offers several compelling reasons to earn a spot in your landscape:

  • Ultra-low maintenance: Once established, this plant thrives on neglect and minimal water
  • Native plant benefits: Supports local ecosystems and requires no special amendments
  • Pollinator friendly: Small white flowers attract native bees and other beneficial insects
  • Drought champion: Perfect for xeriscaping and water-conscious gardening
  • Unique texture: Silvery-green foliage with distinctive bristly hairs adds textural interest

Garden Design and Landscape Role

Palmer’s cryptantha works beautifully as a ground cover in desert gardens, rock gardens, and native plant landscapes. Its low-growing habit and subtle coloring make it an excellent supporting player that won’t compete with showier specimens. Consider using it to fill gaps between larger desert plants or as part of a mixed native groundcover planting.

This plant is ideally suited for:

  • Xeriscape gardens
  • Native plant gardens
  • Rock gardens and gravelly areas
  • Low-water landscape zones
  • Naturalized desert areas

Growing Conditions and Care

Palmer’s cryptantha is remarkably easy to please, provided you give it the conditions it evolved to love:

Sunlight: Full sun is essential for healthy growth and flowering

Soil: Well-draining sandy or rocky soils work best. Heavy clay or constantly moist soils will likely cause problems

Water: Extremely drought tolerant once established. In fact, overwatering is more likely to harm this plant than underwatering

Hardiness: Thrives in USDA hardiness zones 7-9, making it suitable for most of its native range

Planting and Care Tips

Getting Palmer’s cryptantha established is straightforward:

  • Plant in fall or early spring when temperatures are moderate
  • Ensure excellent drainage – amend heavy soils with sand or gravel if needed
  • Water lightly during the first growing season to help establishment
  • Once established, rely on natural rainfall and provide supplemental water only during extended droughts
  • Avoid fertilizing, as rich soils can actually weaken desert-adapted plants
  • Allow the plant to self-seed naturally for the most authentic look

The Bottom Line

Palmer’s cryptantha may not be the flashiest plant in the garden center, but it’s exactly the kind of reliable, low-maintenance native that forms the backbone of successful water-wise landscapes. If you’re gardening in New Mexico or Texas and want to support native ecosystems while creating a beautiful, sustainable landscape, this humble little perennial deserves serious consideration.

For gardeners outside its native range, consider exploring similar native Cryptantha species or other drought-tolerant native forbs that are indigenous to your specific region. Your local ecosystem – and your water bill – will thank you.

Palmer’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 palmeri (A. Gray) Payson - Palmer'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