Calamagrostis montanensis

(c) Matt Lavin, some rights reserved (CC BY) via iNaturalist

Species

Plains Reedgrass

Calamagrostis montanensis

Plains Reedgrass is a resilient perennial grass native to North American plains, known for its upright form and feathery flower plumes.

Also known as: Plains Reedgrass

Calamagrostis montanensis, commonly known as Plains Reedgrass, is a perennial grass native to the North American plains, thriving in a range of habitats from moist meadows to dry grasslands. This species typically grows in clumps, reaching heights of 2 to 4 feet, with a fine, upright form that adds texture to the landscape. The leaves are narrow, linear, and can be quite long, often exhibiting a vibrant green color that turns golden in the fall. The flowering occurs in late spring to early summer, producing feathery, plume-like inflorescences that can be quite striking, providing both visual interest and valuable forage for wildlife. The seeds are small and wind-dispersed, aiding in its propagation across its native range.

Ecologically, Plains Reedgrass plays a significant role in stabilizing soil and providing habitat for various species of birds and insects. It is well adapted to survive in areas with fluctuating moisture levels, demonstrating drought tolerance once established. Human uses of this grass include its application in erosion control and as a component in native landscaping, where it can enhance biodiversity and attract pollinators. Its resilience and ability to thrive in less-than-ideal soil conditions make it an excellent choice for restoration projects and naturalized gardens.

Care Guide

🌱 Hardiness Zone
Zone 3–7
🪨 Soil
well-drained soils
☀️ Light
full sun to partial shade
💧 Water
moderate moisture
🌿 Fertilization
light annual fertilization

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Browse This Plant's Classification

Domain Eukaryota
Kingdom Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Cyperales
Family Poaceae
Genus Calamagrostis
Species Calamagrostis montanensis