North America Native Plant

Slimleaf Drymary

Botanical name: Drymaria molluginea

USDA symbol: DRMO2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Drymaria sperguloides A. Gray (DRSP7)   

Slimleaf Drymary: A Lesser-Known Native Wildflower for Southwest Gardens If you’re passionate about native plants and love discovering the hidden gems of the botanical world, let me introduce you to slimleaf drymary (Drymaria molluginea). This modest little wildflower might not win any beauty contests, but it has something special to ...

Slimleaf Drymary: A Lesser-Known Native Wildflower for Southwest Gardens

If you’re passionate about native plants and love discovering the hidden gems of the botanical world, let me introduce you to slimleaf drymary (Drymaria molluginea). This modest little wildflower might not win any beauty contests, but it has something special to offer gardeners who appreciate authentic native flora.

What Is Slimleaf Drymary?

Slimleaf drymary is a native annual forb that calls the American Southwest home. As a forb, it’s an herbaceous plant without woody stems—think of it as nature’s version of a delicate annual flower. You might also encounter this plant under its scientific synonym, Drymaria sperguloides, though the current accepted name is Drymaria molluginea.

This unassuming plant belongs to a group of wildflowers that have quietly adapted to life in some pretty tough conditions. While it may not be the showstopper of your garden, it represents the authentic character of southwestern landscapes.

Where Does Slimleaf Drymary Grow?

This native beauty has a focused range, naturally occurring in Arizona, New Mexico, and Texas. It’s perfectly adapted to the unique conditions of the southwestern United States, where it has evolved alongside other native plants and wildlife for countless generations.

Should You Grow Slimleaf Drymary?

Here’s where things get interesting—and a bit challenging. Slimleaf drymary is one of those native plants that hasn’t made the leap into mainstream horticulture. Information about cultivation, growing conditions, and garden performance is quite limited. However, there are some compelling reasons you might want to consider it:

  • It’s authentically native to the Southwest, supporting local ecosystems
  • As an annual, it completes its life cycle in one growing season
  • It likely requires minimal water once established, fitting southwestern gardening principles
  • It adds botanical diversity to naturalistic garden settings

The Challenge: Limited Growing Information

I’ll be honest with you—detailed growing guides for slimleaf drymary are about as rare as the plant itself in cultivation. This presents both a challenge and an opportunity for adventurous native plant gardeners. While we don’t have specific information about its preferred soil types, watering needs, or detailed care requirements, we can make some educated guesses based on its native habitat.

Best Guesses for Growing Conditions

Given its natural range in the Southwest, slimleaf drymary likely thrives in:

  • Well-draining soils (southwestern natives typically hate soggy feet)
  • Full sun to partial sun exposure
  • USDA hardiness zones 7-10 (corresponding to its native range)
  • Low to moderate water requirements once established
  • Rocky or sandy soil conditions

Where It Fits in Your Landscape

If you decide to experiment with slimleaf drymary, consider these potential uses:

  • Naturalistic wildflower gardens
  • Native plant restoration projects
  • Rock gardens or xeriscapes
  • Areas where you want to support local biodiversity
  • Educational gardens showcasing regional flora

The Bottom Line

Slimleaf drymary isn’t going to be everyone’s cup of tea. It’s not flashy, it’s not widely available, and growing information is scarce. But for native plant enthusiasts who appreciate botanical diversity and want to support authentic southwestern ecosystems, it could be a worthy addition to your garden.

If you’re interested in trying this native wildflower, you’ll likely need to source seeds from specialized native plant suppliers or collect them responsibly from wild populations (where legally permitted). Consider it a gardening adventure—one that connects you to the true character of the Southwest’s natural heritage.

And remember, even if slimleaf drymary proves elusive, there are plenty of other beautiful native southwestern plants that can give you that authentic regional character while being more garden-friendly. Sometimes the most rewarding native plant journey involves both the common favorites and the mysterious rarities like our slimleaf friend.

Slimleaf Drymary

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Caryophyllaceae Juss. - Pink family

Genus

Drymaria Willd. ex Schult. - drymary

Species

Drymaria molluginea (Lag.) Didr. - slimleaf drymary

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