North America Non-native Plant

×schedolium Holmbergii

Botanical name: ×Schedolium holmbergii

USDA symbol: SCHO9

Habit: grass

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

Synonyms: ×Festulolium holmbergii (Dörfl.) P. Fourn. (FEHO2)  ⚘  ×Schedololium holmbergii (Dörfl.) Soreng & Terrell (SCHO8)   

×Schedolium holmbergii: The Mystery Hybrid Grass You’ve Probably Never Heard Of If you’ve stumbled across the name ×Schedolium holmbergii in your plant research, you might be scratching your head wondering what exactly this grass is all about. Don’t worry – you’re not alone! This mysterious hybrid grass is one of ...

×Schedolium holmbergii: The Mystery Hybrid Grass You’ve Probably Never Heard Of

If you’ve stumbled across the name ×Schedolium holmbergii in your plant research, you might be scratching your head wondering what exactly this grass is all about. Don’t worry – you’re not alone! This mysterious hybrid grass is one of those botanical curiosities that even seasoned gardeners and plant enthusiasts rarely encounter.

What Is ×Schedolium holmbergii?

The × symbol at the beginning of the name is your first clue that this is a hybrid – a cross between two different grass species. ×Schedolium holmbergii belongs to the grass family (Poaceae) and represents a crossing between different grass genera, though the exact parent species relationships remain somewhat unclear in available documentation.

This hybrid grass has had a few name changes over the years, also being known as ×Festulolium holmbergii and ×Schedololium holmbergii, which gives us hints about its possible parentage involving Festuca (fescue) or Lolium (ryegrass) species.

The Challenge with Rare Hybrids

Here’s where things get interesting – and a bit frustrating for curious gardeners. ×Schedolium holmbergii appears to be extremely rare in cultivation and poorly documented in horticultural literature. We don’t have reliable information about:

  • Its native range or natural distribution
  • Specific growing requirements
  • Hardiness zones
  • Mature size or appearance
  • Wildlife or pollinator benefits
  • Availability in the nursery trade

Why This Matters for Your Garden

While botanical rarities can be fascinating, they often make poor choices for home gardens, especially when we don’t understand their needs or characteristics. Without knowing its native status, growing requirements, or even basic appearance, it’s impossible to recommend ×Schedolium holmbergii for any specific garden application.

Better Grass Alternatives for Your Landscape

Instead of hunting for this elusive hybrid, consider these well-documented native grass options that can provide beauty, wildlife habitat, and reliable performance:

  • Native fescue species for your region
  • Local sedge varieties for moisture-loving areas
  • Regional prairie grasses for naturalistic plantings
  • Native bunch grasses for erosion control

The Bottom Line

×Schedolium holmbergii remains one of those botanical mysteries – a hybrid grass that exists in scientific literature but lacks the practical growing information gardeners need. While it’s interesting from a taxonomic perspective, the lack of available plants, growing guides, and habitat information makes it an impractical choice for home landscapes.

Your garden will be much better served by choosing well-documented native grasses that offer proven benefits for local wildlife, established care requirements, and reliable performance in your specific growing conditions. Sometimes the most exciting plants for our gardens are the tried-and-true natives that have been quietly supporting local ecosystems for generations.

×schedolium Holmbergii

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

×Schedolium Holub [Schedonorus × Lolium] - fescue ryegrass

Species

×Schedolium holmbergii (Dörfl.) Holub [Schedonorus arundinaceus × Lolium perenne]

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