American Milletgrass

(Milium effusum)

American Milletgrass (Milium effusum)

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Estimated Native Range
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Summary

Milium effusum, commonly known as American Milletgrass, is a deciduous perennial grass native to moist, shaded woodlands, and forest edges in temperate regions of Europe, Asia, and North America. It typically grows to a height of 2-4 feet (0.6-1.2 meters) and a width of 1-2 feet (0.3-0.6 meters). This grass features soft, airy panicles of yellowish-green flowers that appear in late spring to early summer, adding a light, feathery texture to the garden. The foliage is a bright green and can add a splash of color to shady areas.

American Milletgrass is valued for its ability to thrive in shady conditions where other grasses may struggle. It is often used as an ornamental plant in woodland gardens, shaded borders, and naturalized areas. Its preference for part shade and adaptability to a range of soil moisture conditions, from medium to wet, make it a versatile choice for gardeners. While it requires medium drainage, it is not particularly fussy about soil type. It has been awarded the Royal Horticultural Society’s Award of Garden Merit, indicating its exceptional qualities for garden use. However, it can self-seed and spread in favorable conditions, which should be monitored to prevent unwanted naturalization.CC BY-SA 4.0

Plant Description

  • Plant Type: Grass
  • Height: 2-4 feet
  • Width: 1-2 feet
  • Growth Rate: Moderate
  • Flower Color: N/A
  • Flowering Season: Spring, Summer
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Part Shade
  • Water: Medium, High
  • Drainage: Medium

Common Uses

Bank Stabilization, Deer Resistant, Drought Tolerant, Edible*Disclaimer: Easyscape's listed plant edibility is for informational use. Always verify the safety and proper identification of any plant before consumption., Low Maintenance, Potted Plant

Natural Habitat

Moist, shaded woodlands and forest edges in temperate regions of Europe, Asia, and North America

Other Names

Common Names: Wood Millet, Flattergras, Millet Des Bois, Miliegræs, Bosgierstgras, Hässlebrodd, American Milletgrass

Scientific Names: , Milium effusum, Milium effusum var. effusum, Milium effusum var. cisatlanticum, Milium effusum subsp. alpicola, Milium effusum subsp. cisatlanticum, Agrostis effusa, Milium effusum var. coloratum, Milium confertum, Melica effusa

GBIF Accepted Name: Milium effusum L.