Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Geyer's oniongrass

Melica geyeri

Geyer's oniongrass
Photo: Ed Alverson, CC BY 4.0

Geyer's oniongrass is a rhizomatous perennial wild grass from western North America, known for swollen onion-like corms at the stem base. It is grown mainly for native and naturalistic plantings, and succeeds best in well-drained soil in cool, open or lightly shaded sites.

Family
Poaceae (Grass family)
Grows as
Grass
Light
Full sun, Part shade
Water
Water moderately while establishing, then reduce to occasional watering once established, since it is adapted to seasonally dry conditions.
Soil
Well-drained, gritty or loamy soil; tolerates poor soil.
Temperature
Hardy to cold winters, roughly -20 °C; tolerates summer heat.
How easy
Easy
Native range
W. Canada to W. U.S.A.
Climate
temperate

About

Melica geyeri is a species of grass known by the common name Geyer's oniongrass.

Where it grows

Melica geyeri is native to the western United States, where it is found in Oregon and California, including the Sierra Nevada. It grows in many types of habitat, including mountain forests and open hillsides.

Other Melica plants

Siberian melicgrass · Melica amethystina · Melica animarum · Melica argentata · Melica argyrea · Bearded melicgrass · Melica arzivencoi · Melica bocquetii · Melica bonariensis · Melica brasiliana · Melica brevicoronata · Oniongrass

Text excerpted from the Wikipedia article Melica geyeri by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…