
Perennial rye-grass
Lolium perenne L.
- light
- Sun–part
- water
- Medium
- tall
- 99 cm
- wide
- —
Poaceae
Also called Perennial ryegrass
Formerly Festuca perennis, Lolium brasilianum, Lolium cechicum, Lolium glumosum, and 7 more
When it flowers
Not known yet in the tropics: too few flowering observations to read a season from.
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- Biennial or perennialKew's checklist, not yet checked
- Climate
- TemperateKew's checklist, not yet checked
- Wild in
- Macaronesia, N. Africa, Europe to Siberia and HimalayaKew's checklist, not yet checked
- Light
- Full sun to part shade (3 h or more)Read from NC State Extension, one source
- Height
- 99 cmRead from Plants for a Future, one source
- Water
- Average: moist, well drainedRead from NC State Extension, one source
- Coldest it survives
- -40 °C (USDA zone 3a)Read from NC State Extension, one source
Not known yet: spread, flowers, heat, hottest it survives.
In other languages (7)
- Czech
- jílek vytrvalý
- German
- Ausdauernder Lolch, Englisches Raigras
- Finnish
- englanninraiheinä
- French
- ray-grass commun
- Dutch
- engels raaigras, Engels raaigras
- Chinese
- 黑麥草, 黑麦草
- Simplified Chinese
- 黑麦草
Where this comes from
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- NC State Extension, read 2026-10-25, fact, cited
- Plants for a Future, read 2026-10-26, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 3.0
- 3D model: Lolium perenne (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.