North America Non-native Plant

Distichlis Palmeri

Botanical name: Distichlis palmeri

USDA symbol: DIPA23

Habit: grass

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

Distichlis palmeri: The Mysterious Saltgrass If you’ve stumbled across the name Distichlis palmeri in your plant research, you’re likely scratching your head wondering what exactly this grass is all about. Don’t worry – you’re not alone! This particular member of the saltgrass family is something of an enigma in the ...

Distichlis palmeri: The Mysterious Saltgrass

If you’ve stumbled across the name Distichlis palmeri in your plant research, you’re likely scratching your head wondering what exactly this grass is all about. Don’t worry – you’re not alone! This particular member of the saltgrass family is something of an enigma in the botanical world.

What We Know (And Don’t Know)

Distichlis palmeri belongs to the grass family and is classified as a graminoid – that’s botanist-speak for grass or grass-like plant. This puts it in the same category as familiar lawn grasses, sedges, and rushes. Beyond that basic classification, however, information about this specific species becomes remarkably scarce.

The genus Distichlis is better known for its common saltgrass species (Distichlis spicata), which thrives in salty, alkaline soils and coastal areas. It’s reasonable to assume that D. palmeri might share some similar characteristics, but without more definitive research, we can’t make solid recommendations about its cultivation needs or garden applications.

The Challenge for Gardeners

Here’s where things get tricky for anyone interested in growing this plant. The limited available information makes it difficult to provide specific guidance on:

  • Preferred growing conditions
  • USDA hardiness zones
  • Mature size and growth habit
  • Planting and care requirements
  • Wildlife and pollinator benefits

This uncertainty extends to its native status and geographical distribution as well. Without clear documentation of where this species naturally occurs, it’s impossible to determine whether it would be a native choice for your particular region.

A Word of Caution

The mysterious nature of Distichlis palmeri raises some important considerations for gardeners. When plant information is this limited, it often means one of several things: the species may have a very restricted natural range, it might be taxonomically uncertain, or it could potentially be a synonym for another, better-known species.

If you’re specifically interested in saltgrasses for your landscape, you might want to consider the well-documented Distichlis spicata instead. This species is widely recognized, has clear cultivation guidelines, and offers known benefits for wildlife and soil stabilization in appropriate conditions.

The Bottom Line

While Distichlis palmeri remains an intriguing botanical puzzle, the lack of reliable cultivation information makes it a challenging choice for most gardeners. If you’re drawn to native grasses or salt-tolerant plants, there are many other well-documented species that can provide similar ecological benefits with much clearer growing guidelines.

Sometimes in gardening, as in life, the most mysterious options aren’t necessarily the most practical ones. Until more research sheds light on this elusive grass, it might be best to admire it from afar and stick with its better-known cousins for your landscaping needs.

Distichlis Palmeri

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

Distichlis Raf. - saltgrass

Species

Distichlis palmeri (Vasey) Fassett ex I.M. Johnst.

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