North America Native Plant

Bogrush

Botanical name: Schoenus calostachyus

USDA symbol: SCCA23

Habit: grass

Native status: Native to Pacific Basin excluding Hawaii  

Bogrush: A Lesser-Known Native Sedge for Pacific Gardens Meet bogrush (Schoenus calostachyus), a fascinating native sedge that’s flying under the radar in most gardening circles. If you’re gardening in the Pacific Basin region and looking to incorporate truly native plants into your landscape, this grass-like beauty might just be the ...

Bogrush: A Lesser-Known Native Sedge for Pacific Gardens

Meet bogrush (Schoenus calostachyus), a fascinating native sedge that’s flying under the radar in most gardening circles. If you’re gardening in the Pacific Basin region and looking to incorporate truly native plants into your landscape, this grass-like beauty might just be the hidden gem you’ve been searching for.

What Exactly Is Bogrush?

Bogrush belongs to the sedge family (Cyperaceae), making it a graminoid – that’s botanical speak for grass-like plants that include sedges, rushes, and of course, true grasses. Don’t let the bog in its name fool you into thinking it’s just another wetland plant. While many sedges do love wet feet, each species has its own personality and preferences.

Where Does Bogrush Call Home?

This native beauty is indigenous to the Pacific Basin, specifically found growing naturally in Guam and Palau. If you’re gardening in these tropical island locations, you’re dealing with a plant that has been thriving in your local ecosystem long before any of us started thinking about landscaping.

Why Consider Bogrush for Your Garden?

Here’s where things get a bit tricky – and honestly, pretty exciting for the adventurous gardener. Bogrush is one of those plants that hasn’t made it into mainstream horticulture yet, which means information about its cultivation is limited. But that’s not necessarily a bad thing! Here’s why you might want to give it a chance:

  • True native status: When you plant bogrush, you’re supporting your local ecosystem with a plant that belongs there naturally
  • Unique garden element: Your landscape will feature something most neighbors have never heard of
  • Ecological value: Native plants typically support local wildlife better than non-native alternatives
  • Climate adaptation: Being native to your region means it’s already adapted to local weather patterns and soil conditions

The Growing Challenge

Now for the honest truth – growing bogrush might be more of an adventure than a sure thing. Since it’s not widely cultivated, we don’t have detailed care sheets or growing guides like you’d find for popular garden plants. This makes it perfect for the experimental gardener who enjoys figuring things out!

If you’re determined to try growing bogrush, your best bet is to observe it in its natural habitat if possible, or connect with local native plant societies and botanical experts who might have experience with Pacific Basin flora.

Is Bogrush Right for Your Garden?

Consider bogrush if you:

  • Are passionate about native plant gardening
  • Enjoy experimenting with unusual plants
  • Want to contribute to local ecosystem support
  • Have access to responsibly sourced plant material or seeds
  • Don’t mind a bit of trial and error in your gardening journey

Skip it if you:

  • Prefer plants with well-documented growing requirements
  • Want guaranteed results in your garden
  • Are new to gardening and want to start with easier plants

The Bottom Line

Bogrush represents the exciting frontier of native plant gardening – species that are ecologically valuable but horticulturally unexplored. While we can’t give you a foolproof growing guide, we can tell you that choosing native plants like bogrush is always a step in the right direction for supporting local ecosystems.

If you’re in Guam or Palau and interested in trying this native sedge, start by connecting with local botanists, native plant groups, or university extension services. They might have insights into this intriguing plant that could help you become one of the first gardeners to successfully cultivate bogrush!

Bogrush

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

Schoenus L. - bogrush

Species

Schoenus calostachyus Poir. - bogrush

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