North America Native Plant

Sedge

Botanical name: Carex ×hartii

USDA symbol: CAHA28

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Hart’s Sedge: A Rare Native Gem for Specialized Gardens Meet Carex ×hartii, a fascinating hybrid sedge that’s quietly making its mark in the native plant world. While you might not find this particular sedge at your local garden center, it represents an intriguing piece of our northeastern flora that deserves ...

Hart’s Sedge: A Rare Native Gem for Specialized Gardens

Meet Carex ×hartii, a fascinating hybrid sedge that’s quietly making its mark in the native plant world. While you might not find this particular sedge at your local garden center, it represents an intriguing piece of our northeastern flora that deserves recognition among native plant enthusiasts.

What Makes This Sedge Special?

Carex ×hartii is a perennial grass-like plant belonging to the sedge family (Cyperaceae). The × in its scientific name tells us something important – this is a naturally occurring hybrid, making it a unique botanical treasure. Like its sedge relatives, it forms part of that wonderful group of grass-like plants that add texture and movement to natural landscapes.

Where You’ll Find It Growing Wild

This native sedge calls the northeastern United States home, specifically growing in Maine, Massachusetts, and Vermont. Its limited geographic range adds to its mystique and makes it a true regional specialty for gardeners in these areas.

Why Consider This Sedge for Your Garden?

While specific details about Hart’s sedge are limited due to its hybrid nature and rarity, we can draw from what we know about sedges in general to understand its potential garden value:

  • Native status means it’s naturally adapted to local conditions
  • Perennial nature provides year-round structure
  • Sedges typically require minimal maintenance once established
  • Adds authentic regional character to native plant gardens
  • Supports local ecosystem health as a native species

The Reality Check: Limited Availability

Here’s where we need to be honest – finding Carex ×hartii for your garden might prove challenging. As a hybrid with limited distribution, it’s not commonly available in the nursery trade. This rarity means you’ll likely need to connect with specialized native plant societies or botanical gardens if you’re determined to grow it.

Growing Conditions and Care

While specific growing requirements for this hybrid aren’t well-documented, we can make educated guesses based on its sedge family traits and northeastern native range:

  • Likely prefers consistently moist soil conditions
  • Probably tolerates partial shade to full sun
  • Cold hardy in USDA zones typical of Maine, Massachusetts, and Vermont
  • May benefit from organic-rich soil

Alternative Native Sedges to Consider

If you’re drawn to the idea of native sedges but can’t locate Carex ×hartii, consider these more readily available northeastern natives:

  • Pennsylvania sedge (Carex pensylvanica)
  • Fox sedge (Carex vulpinoidea)
  • Bladder sedge (Carex intumescens)
  • Tussock sedge (Carex stricta)

The Bottom Line

Carex ×hartii represents the fascinating world of native plant hybrids – special, regionally significant, but not always practical for home gardeners. While it would undoubtedly make an interesting addition to a native plant collection, its rarity means most gardeners will be better served exploring the many other wonderful sedge species available.

If you do manage to source this unique hybrid, you’ll be growing a true botanical conversation piece that connects your garden directly to the natural heritage of New England. Just remember that with rare plants comes the responsibility of proper care and perhaps even propagation to help preserve these genetic treasures for future generations.

Sedge

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

Cyperaceae Juss. - Sedge family

Genus

Carex L. - sedge

Species

Carex ×hartii Dewey (pro sp.) [lurida × retrorsa] - sedge

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