North America Non-native Plant

Festulolium

Botanical name: ×Festulolium

USDA symbol: FESTU2

Habit: grass

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

Festulolium: The Mysterious Grass Hybrid That’s More Science Project Than Garden Staple If you’ve stumbled across the name festulolium in your gardening adventures, you might be scratching your head wondering what exactly this plant is. Don’t worry – you’re not alone! This grass represents one of those quirky botanical curiosities ...

Festulolium: The Mysterious Grass Hybrid That’s More Science Project Than Garden Staple

If you’ve stumbled across the name festulolium in your gardening adventures, you might be scratching your head wondering what exactly this plant is. Don’t worry – you’re not alone! This grass represents one of those quirky botanical curiosities that sounds intriguing but leaves even experienced gardeners with more questions than answers.

What Exactly Is Festulolium?

Festulolium (×Festulolium) is what botanists call an intergeneric hybrid – basically, it’s the result of crossing two different grass genera: Festuca (fescue) and Lolium (ryegrass). The × symbol at the beginning of the name is botanical shorthand for this is a hybrid, kind of like nature’s way of announcing something interesting happened here.

As a member of the grass family, festulolium exhibits the typical graminoid growth habit – think long, narrow leaves and that unmistakably grassy appearance we all recognize. However, beyond these basic characteristics, comprehensive information about this hybrid group is surprisingly scarce.

The Native Status Mystery

Here’s where things get a bit murky. Since festulolium is an artificial hybrid created by crossing different genera, it doesn’t have a natural native range in the traditional sense. These hybrids are primarily developed in agricultural and research settings rather than occurring naturally in wild landscapes.

Should You Plant Festulolium in Your Garden?

This is where we hit a bit of a roadblock. While the concept of festulolium might sound intriguing, there’s limited reliable information available about its performance in home garden settings. Most of what exists in the literature focuses on specific agricultural cultivars rather than general garden use.

Without clear information about:

  • Hardiness zones and climate tolerance
  • Mature size and growth habits
  • Maintenance requirements
  • Potential invasiveness or ecological impacts
  • Wildlife and pollinator benefits

It’s difficult to recommend festulolium as a reliable choice for most home gardeners.

Better Alternatives for Your Landscape

If you’re looking for attractive, low-maintenance grasses for your garden, consider these well-documented native alternatives instead:

  • Buffalo grass – A drought-tolerant native perfect for natural lawns
  • Little bluestem – Offers beautiful fall color and excellent wildlife value
  • Prairie dropseed – Elegant, fine-textured grass with subtle fragrance
  • Blue grama – Distinctive seed heads and excellent drought tolerance

These native options come with the added benefits of supporting local ecosystems, requiring less water and maintenance, and providing known habitat value for wildlife.

The Bottom Line

While festulolium represents an interesting botanical development, the lack of comprehensive growing information makes it a risky choice for home gardeners. Sometimes the most responsible gardening advice is to admit when there simply isn’t enough reliable information to make a solid recommendation.

If you’re drawn to the idea of hybrid grasses, your best bet is to stick with well-researched, locally appropriate native species that will give you predictable results and ecological benefits. Save the experimental hybrids for the agricultural researchers – your garden (and local ecosystem) will thank you for choosing plants with proven track records.

Festulolium

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

×Festulolium Asch. & Graebn. - festulolium

Species

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