Chamisso Sedge

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Carex pachystachya Type: Graminoid · Family: Cyperaceae · Native Region: Pacific Northwest Growing Conditions Sun: Full Sun Water: Dry to Medium Bloom Time: April - July Mature Siz e: 3–3 ft tall, 3–3 ft wide Attributes Fire Resistant Landscape Use Mixed Shrub Border Ecological Notes Ecological function: habitat Companion plants: wildflowers Source: Bloomsday Natives availability list (Dec 2025) Late Spring 26 Learn More USDA Plants Profile · GBIF Species Data · Oregon Flora Show more