Maiden grass

Miscanthus sinensis

WA monitor Poaceae
Data Maturity Baseline

Washington State Classification

Monitor List

This plant is on the monitor list.

Quick Reference

Type
perennial herb
Origin
Asia

Identification

Growth Habit

This is a tall, showy grass that starts growing in a bunch and spreads from there. It frequently gets 3 to 7 feet tall, but occasionally up to 12 feet tall.

Leaves

Very long grass blades that curve up and away from the center of the plant, and can be over 6 feet long.

Flowers

The inflorescences are white to purple and grow taller than the leaves

Impact

This plant is on the monitor list. Please contact Sofia Sherman to report locations or for more information.

Ecology & Spread

Habitat

Escaped from gardens into open, sunny and partially sunny areas

Spread Mechanisms

seed vegetative fragments wind

Reproduction

Maiden grass reproduces primarily through rhizomes, however it does make seeds which are mainly dispersed by wind.

Regional Notes — Puget Sound

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Control Methods

Mechanical