- Scientific name
- Lolium perenne
- Common name
- Almindelig rajgræs
- Kingdom / family
- Poaceae
- Genus
- Lolium
- Category
- plantae
- Primary role
- crop
- Growth habit
- perennial grass, tiller-forming
- Temperature
- 14 to 25 °C
- pH
- 5 to 6.5
- Precipitation
- 700 to 1250 mm
- Soil texture
- 6
- Light
- 8/10
- Native regions
- ["London, UK","Afghanistan","Albania","Algeria","Austria","Azores","Belarus","Belgium","Bulgaria","Canary Is.","Central European Russia","Corse","Cyprus","Czechia-Slovakia","Denmark","East Aegean Is.","East European Russia","East Himalaya","Egypt","France","Germany","Great Britain","Greece","Hungary","Iran","Iraq","Ireland","Italy","Kazakhstan"]
- Invasive regions
- ["Galápagos Islands","Tristan da Cunha","Alabama","Alaska","Alberta","Amsterdam-St.Paul Is.","Amur","Antipodean Is.","Argentina Northeast","Argentina Northwest","Argentina South","Arizona","Arkansas","Bahamas","Baleares","Baltic States","Bolivia","Brazil South","British Columbia","California","Cape Provinces","Chagos Archipelago","Chatham Is.","Chile Central","Chile South","China North-Central","China South-Central","China Southeast","Colombia","Colorado","Connecticut","Costa Rica","Crozet Is.","Delaware","District of Columbia","Dominican Republic","Easter Is.","Ecuador","Eritrea","Falkland Is.","Finland","Florida","Free State","Føroyar","Galápagos","Georgia","Greenland","Guatemala","Gulf States","Haiti","Hawaii","Honduras","Iceland","Idaho","Illinois","Indiana","Inner Mongolia","Iowa","Japan","Jawa","Juan Fernández Is.","Kansas","Kentucky"]