When considering nutritious plants, most people think of kale, spinach, or broccoli. Few would imagine a tough, wiry plant thriving in the salt-laden soils of coastal marshes and inland salt flats. Yet, saltgrass (genus Distichlis ), particularly Distichlis spicata (inland or desert saltgrass) and its coastal relatives, possesses a surprising and valuable nutritional profile. Often dismissed as a coarse forage, this halophyte (salt-tolerant plant) is a testament to nature’s ability to pack essential nutrients into a resilient package, serving as an important food source for wildlife and, historically, for indigenous peoples.
Indigenous peoples of coastal North America, such as the Chumash and Kumeyaay, recognized the value of saltgrass. The seeds—small, dry, and grain-like—were sometimes ground into a flour. The greens were occasionally used as a potherb or a salt substitute, boiled to leach out excess sodium. Today, there is renewed interest in saltgrass as a potential "cash crop halophyte" for saline agriculture. As freshwater becomes scarcer, saltgrass’s ability to produce protein and minerals using only seawater irrigation could make it a novel food source for the future, either as animal feed or as a processed ingredient for human consumption.
The nutritional facts of saltgrass paint a picture of resilience and adaptation. It is not a superfood for humans in its raw form, but rather a specialized ecological and nutritional resource. High in fiber, seasonally rich in protein, and loaded with essential minerals—particularly sodium and potassium—saltgrass supports wildlife in harsh environments and offers a glimpse into the future of sustainable agriculture on marginal lands. While the average dinner plate may never feature a saltgrass salad, this unassuming plant deserves recognition for its unique ability to turn saltwater and sun into a surprisingly nourishing package.