North America Non-native Plant

Dogstail Grass

Botanical name: Cynosurus

USDA symbol: CYNOS2

Life cycle: annual

Habit: grass

Native status: Non-native, reproduces and persists in the wild in Canada âš˜ Non-native, reproduces and persists in the wild in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in St. Pierre and Miquelon  

Dogstail Grass: A Mediterranean Transplant in Your Garden If you’ve ever wandered through a meadow and spotted a grass with distinctive, tight cylindrical seed heads that look almost like a dog’s tail, you’ve likely encountered dogstail grass (Cynosurus). This European native has made itself quite at home across North America, ...

Dogstail Grass: A Mediterranean Transplant in Your Garden

If you’ve ever wandered through a meadow and spotted a grass with distinctive, tight cylindrical seed heads that look almost like a dog’s tail, you’ve likely encountered dogstail grass (Cynosurus). This European native has made itself quite at home across North America, and while it’s not originally from these parts, it’s become a familiar sight in many landscapes.

What Exactly Is Dogstail Grass?

Dogstail grass is a fine-textured grass that can be either annual or perennial, depending on the species within the Cynosurus genus. It’s part of the large grass family and gets its charming common name from those characteristic seed heads that really do resemble a dog’s tail when they’re swaying in the breeze.

Where You’ll Find It Growing

Originally from the Mediterranean region and Europe, dogstail grass has spread far and wide across North America. You can find it growing in an impressive range of locations, from Alabama to British Columbia, and from coast to coast. It’s established itself in states including California, Texas, New York, Oregon, and many others, plus several Canadian provinces.

The Garden Appeal (Or Lack Thereof)

Here’s where things get interesting – dogstail grass isn’t exactly what you’d call a showstopper. Its aesthetic appeal lies in its subtle, naturalistic appearance rather than any flashy features. The fine texture can work well in:

  • Meadow-style gardens where you want that wild, naturalized look
  • Coastal landscapes where it can handle salt spray
  • Areas where you need erosion control
  • Low-maintenance ground cover situations

Growing Conditions and Care

If you’re thinking about growing dogstail grass, you’ll be pleased to know it’s not particularly fussy. It adapts to various soil types and generally thrives in USDA hardiness zones 3-9. Here’s what it prefers:

  • Full sun to partial shade
  • Well-draining soil (though it’s quite adaptable)
  • Once established, it’s fairly drought-tolerant
  • Minimal fertilization needed

The low-maintenance nature makes it appealing for gardeners who want something that largely takes care of itself once it’s settled in.

Wildlife and Pollinator Considerations

Like most grasses, dogstail grass is wind-pollinated, so it won’t be attracting bees and butterflies to your garden. Its wildlife benefits are somewhat limited compared to native alternatives, though it can provide some habitat structure and seed for certain birds.

The Native Alternative Question

While dogstail grass isn’t considered invasive or harmful, it’s worth considering that as a non-native species, it doesn’t provide the same ecological benefits as our native grasses. If you’re looking for that meadowy, naturalistic look, consider these native alternatives instead:

  • Buffalo grass for western regions
  • Little bluestem for prairie-style plantings
  • Fine fescue species native to your area
  • Regional native sedges for similar fine texture

Should You Plant It?

The decision really comes down to your specific needs and gardening philosophy. Dogstail grass can be a practical choice for low-maintenance situations, especially in coastal or challenging sites. However, if you’re passionate about supporting local ecosystems and wildlife, native grass alternatives will give you more bang for your conservation buck.

If you do choose to grow dogstail grass, it’s relatively straightforward – just scatter the seed in spring or fall, keep the area moist until germination, and then let nature take its course. Just remember that what starts as a small planting may spread over time, as this grass is quite good at naturalizing itself.

The Bottom Line

Dogstail grass is one of those plants that’s neither a hero nor a villain in the garden world. It’s a reliable, low-maintenance option that won’t cause ecological havoc, but it won’t provide the native plant benefits that our local wildlife really needs. Consider it a neutral choice – useful in the right situation, but perhaps not the most exciting or beneficial option for wildlife-focused gardeners.

Dogstail Grass

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

Cynosurus L. - dogstail grass

Species

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