North America Non-native Plant

Poa Diversifolia

Botanical name: Poa diversifolia

USDA symbol: PODI15

Habit: grass

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

Poa diversifolia: The Mystery Grass That’s Hard to Pin Down If you’ve stumbled across the name Poa diversifolia in your native plant research, you’re likely experiencing the same frustration many gardeners face when trying to learn about this elusive grass species. Sometimes the plant world throws us a curveball, and ...

Poa diversifolia: The Mystery Grass That’s Hard to Pin Down

If you’ve stumbled across the name Poa diversifolia in your native plant research, you’re likely experiencing the same frustration many gardeners face when trying to learn about this elusive grass species. Sometimes the plant world throws us a curveball, and this particular member of the Poaceae (grass) family is definitely one of them.

What We Know (And What We Don’t)

Here’s the thing about Poa diversifolia – it’s what you might call a ghost plant in the gardening world. While it’s classified as a grass or grass-like plant within the vast Poaceae family, reliable information about this specific species is surprisingly scarce. This could mean several things:

  • It’s an extremely rare or localized species
  • It may be a synonym for another, more commonly recognized Poa species
  • The name might be outdated or incorrectly applied
  • It could be a regional variant that hasn’t been widely studied or documented

The Challenge of Rare and Undocumented Plants

When you encounter a plant name like Poa diversifolia with limited available information, it’s a perfect reminder of how vast and sometimes mysterious the plant kingdom can be. Even with modern botanical databases and extensive research, some plants remain enigmatic – especially grasses, which can be notoriously difficult to identify and distinguish from one another.

What Should Gardeners Do?

If you’re interested in this particular Poa species, here are some practical steps you can take:

  • Consult with local botanical experts, university extension services, or native plant societies in your area
  • Check with regional herbaria or botanical gardens that might have specimens or records
  • Consider working with well-documented Poa species instead, such as Poa compressa (Canada bluegrass) or other native alternatives in your region
  • If you believe you’ve found this plant in the wild, consider contributing to citizen science projects that help document rare or uncommon species

The Bigger Picture: Working with Native Grasses

While we can’t provide specific growing advice for Poa diversifolia, this situation highlights the importance of working with reputable sources when selecting native plants for your landscape. Many Poa species are excellent choices for native gardens, offering:

  • Drought tolerance once established
  • Wildlife habitat and food sources
  • Soil stabilization benefits
  • Low-maintenance ground cover options

A Word of Caution

Before attempting to grow any plant with limited documentation, it’s crucial to verify its native status, invasive potential, and legal collection status in your area. Some rare plants are protected by law, and others might pose unexpected ecological risks.

The Bottom Line

Poa diversifolia remains something of a botanical puzzle. While this might be frustrating if you were hoping to add it to your garden, it’s also a fascinating reminder that there’s still so much to discover and document in the natural world. For now, your best bet is to work with well-established native grass alternatives while keeping an eye out for more information about this mysterious species.

Sometimes the most interesting gardening adventures come from the plants we can’t quite figure out – and Poa diversifolia certainly fits that bill!

Poa Diversifolia

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

Poa L. - bluegrass

Species

Poa diversifolia (Boiss. & Balansa) Boiss.

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