North America Non-native Plant

Digitaria Glauca

Botanical name: Digitaria glauca

USDA symbol: DIGL7

Habit: grass

Native status: Not native but doesn't reproduce and persist in the wild

Digitaria glauca: A Delicate Native Grass for Coastal Gardens If you’re looking for a low-maintenance native grass that thrives in challenging coastal conditions, Digitaria glauca might just be the perfect addition to your garden. This charming member of the grass family (Poaceae) brings subtle beauty and ecological value to landscapes ...

Digitaria glauca: A Delicate Native Grass for Coastal Gardens

If you’re looking for a low-maintenance native grass that thrives in challenging coastal conditions, Digitaria glauca might just be the perfect addition to your garden. This charming member of the grass family (Poaceae) brings subtle beauty and ecological value to landscapes throughout the southeastern United States.

What Makes This Grass Special?

Digitaria glauca is a delicate, fine-textured grass that produces airy seed heads that dance gracefully in coastal breezes. While it may not have the showstopping presence of ornamental grasses, its understated elegance makes it a wonderful supporting player in native plant gardens. The grass forms loose clumps with slender leaves and produces small, inconspicuous flowers that develop into seeds beloved by birds.

Where Does It Call Home?

This native grass is naturally found throughout the southeastern United States, with a particular affinity for Florida and other coastal regions. It has adapted beautifully to sandy soils and salt-influenced environments, making it a true champion of challenging growing conditions.

Why Consider Growing Digitaria glauca?

There are several compelling reasons to include this native grass in your landscape:

  • Native credentials: Supporting local ecosystems by choosing plants that naturally belong in your region
  • Low maintenance: Once established, this grass requires minimal care and attention
  • Wildlife support: Seeds provide food for native birds and small wildlife
  • Coastal resilience: Excellent choice for sandy soils and salt-influenced environments
  • Natural spreading: Self-seeding habit helps establish naturalized areas

Perfect Garden Settings

Digitaria glauca shines in several landscape applications:

  • Native plant gardens seeking authentic regional character
  • Coastal restoration projects
  • Naturalized meadow areas
  • Ground cover in challenging sandy locations
  • Wildlife habitat gardens

Growing Conditions and Care

One of the best things about this native grass is its easygoing nature. Here’s what it needs to thrive:

  • Sunlight: Full sun exposure for best growth
  • Soil: Sandy, well-draining soils (perfect for coastal conditions)
  • Water: Drought tolerant once established, minimal irrigation needed
  • Climate zones: USDA hardiness zones 8-11

Planting and Maintenance Tips

Getting started with Digitaria glauca is refreshingly simple:

  • Plant in spring or fall when temperatures are moderate
  • Ensure excellent drainage – this grass does not tolerate waterlogged conditions
  • Space plants to allow for natural spreading
  • Water regularly during establishment, then reduce to occasional deep watering
  • Allow seed heads to mature if you want natural reseeding
  • Minimal fertilization needed – native soils typically provide adequate nutrition

The Bottom Line

Digitaria glauca may not be the flashiest plant in your garden, but it offers something equally valuable: authentic native character with minimal fuss. If you’re gardening in the southeastern coastal regions and want to support local wildlife while enjoying a truly low-maintenance plant, this delicate grass deserves serious consideration. Its ability to thrive in sandy soils where other plants struggle makes it particularly valuable for challenging sites.

For gardeners committed to native plant landscaping, Digitaria glauca represents the kind of understated workhorse that forms the backbone of successful ecological gardens. Sometimes the most beautiful gardens are built on the foundation of plants that simply belong.

Digitaria Glauca

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

Digitaria Haller - crabgrass

Species

Digitaria glauca A. Camus [excluded]

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