North America Non-native Plant

Eragrostis Viscosa

Botanical name: Eragrostis viscosa

USDA symbol: ERVI23

Habit: grass

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

Eragrostis viscosa: An African Grass with Garden Potential If you’ve stumbled across the name Eragrostis viscosa in your plant research, you might be wondering what exactly this grass brings to the table. While it may not be the showiest plant in the garden center, this delicate African native has some ...

Eragrostis viscosa: An African Grass with Garden Potential

If you’ve stumbled across the name Eragrostis viscosa in your plant research, you might be wondering what exactly this grass brings to the table. While it may not be the showiest plant in the garden center, this delicate African native has some interesting characteristics that might catch the eye of adventurous gardeners looking for something a little different.

What Exactly Is Eragrostis viscosa?

Eragrostis viscosa is a graminoid – fancy botanical speak for grass or grass-like plant. Part of the larger Eragrostis genus (commonly known as lovegrasses), this species hails from the African continent, where it has adapted to various challenging growing conditions. Like its relatives, it’s a monocot, meaning it’s more closely related to other grasses, sedges, and rushes than to typical garden flowers.

Where Does It Come From?

This grass calls parts of Africa home, particularly regions in southern and eastern Africa. It has evolved in climates that can be quite demanding, which explains some of its drought-tolerant characteristics. However, detailed information about its exact native range remains somewhat limited in readily available sources.

The Garden Appeal Factor

So what’s the draw? Eragrostis viscosa offers that delicate, wispy texture that grass enthusiasts love. Think fine-textured foliage that catches the light just so, paired with airy seed heads that add movement and softness to plantings. It’s not going to stop traffic, but it has that subtle charm that can really tie a naturalistic garden together.

Where Might It Fit in Your Garden?

If you’re considering this grass, here are some spots where it might shine:

  • Rock gardens where its drought tolerance can be an asset
  • Xerophytic (dry) gardens designed for water conservation
  • Naturalistic plantings where you want texture without overwhelming color
  • Border areas where you need something low-maintenance

Growing Conditions and Care

Here’s what this African native seems to prefer:

  • Sun exposure: Full sun for best performance
  • Soil: Well-draining soils are essential – it doesn’t like wet feet
  • Water: Drought tolerant once established, but benefits from occasional watering during the establishment period
  • Maintenance: Minimal care required once settled in

The Reality Check

Here’s the thing about Eragrostis viscosa – information about its cultivation in North American gardens is pretty scarce. While it’s not listed as invasive or problematic, detailed growing guides and hardiness zone information are limited. This means you’d be somewhat in experimental territory if you decide to grow it.

Consider Native Alternatives

Before you hunt down this African grass, consider some fantastic native alternatives that offer similar benefits:

  • Purple lovegrass (Eragrostis spectabilis): A North American native with beautiful fall color
  • Little bluestem (Schizachyrium scoparium): Gorgeous texture and amazing seasonal interest
  • Buffalo grass (Poaceae dactyloides): Excellent for drought-tolerant lawns and naturalistic areas

The Bottom Line

Eragrostis viscosa might appeal to collectors of unusual grasses or gardeners specifically interested in African flora. However, with limited cultivation information available and plenty of well-documented native alternatives that offer similar benefits, most gardeners would probably be better served by exploring native grasses first. If you do decide to experiment with this species, source it responsibly and be prepared for some trial and error in figuring out what works best in your specific conditions.

Remember, the best garden plants are often the ones that naturally belong in your region – they’re easier to grow, better for local wildlife, and typically require fewer resources to thrive.

Eragrostis Viscosa

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

Eragrostis von Wolf - lovegrass

Species

Eragrostis viscosa (Retz.) Trin. [excluded]

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