Calamagrostis coarctata

(c) Nate Hartley, some rights reserved (CC BY-NC), uploaded by Nate Hartley via iNaturalist

Species

Arctic Reedgrass

Calamagrostis coarctata

Arctic Reedgrass is a perennial grass native to Arctic regions, known for its upright form and ecological significance.

Also known as: Arctic Reedgrass

Calamagrostis coarctata, commonly known as Arctic Reedgrass, is a perennial grass native to the Arctic regions of North America and parts of Eurasia. This species typically grows in clumps, reaching heights of 60 to 120 cm, with a dense, upright form that provides a striking visual presence in its natural habitat. The leaves are narrow, linear, and can be up to 1 cm wide, exhibiting a vibrant green color that turns golden in the fall. The flowering period occurs in late summer, producing feathery, spike-like inflorescences that can reach 30 cm in length, which are attractive to various pollinators. The seeds are small and wind-dispersed, allowing for effective colonization of disturbed sites and contributing to its ecological role in stabilizing soil and preventing erosion in its native habitats.

In addition to its ecological importance, Arctic Reedgrass has several human uses, including its potential for use in erosion control and as a forage species for livestock. Its adaptations to cold climates include a robust root system that enables it to survive harsh winters and a growth habit that allows it to thrive in nutrient-poor soils. This grass is also tolerant of saline conditions, making it suitable for coastal areas. Overall, Calamagrostis coarctata plays a vital role in its ecosystem while offering various benefits for land management and conservation efforts.

Care Guide

🌱 Hardiness Zone
Zone 3–7
🪨 Soil
well-drained soil
☀️ 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 coarctata