Guide botanique
Perennial ryegrass.
Lolium perenne
Prononciation LOH-lee-um peh-REN-ee
Aussi appelée Common Rye-Grass, English Ryegrass, Italian Ryegrass, Perennial Rye, Perennial Rye-Grass, Perennial Ryegrass

Perennial ryegrass is a popular, cool season grass often used for lawns and pastures. It is known for its quick germination and ability to handle high foot traffic. You will find it thrives best in temperate climates with plenty of moisture.
En un coup d'œil
- Niveau d'entretien
- Facile
- Type de plante
- Grass
- Lumière
- Full sun
- Lumière en intérieur
- Soleil direct
- Arrosage
- Tous les 2 à 5 jours
- Taille adulte
- 1 to 2 feet
- Croissance
- Rapide
- Rusticité
- USDA 3 à 9
- Floraison
- Late spring to early summer
Entretien
Keep the soil consistently moist to support its rapid growth habit. Watch for thinning patches if the grass experiences heavy traffic or prolonged heat. Regular mowing helps maintain a dense and healthy turf.
- Arrosage
- Keep the soil evenly moist but not waterlogged to encourage deep root development.
- Engrais
- Apply a balanced nitrogen fertilizer during the active growing season to maintain color.
- Taille
- Mow regularly to keep the grass at a height of 2 to 3 inches.
- Rempotage
- This plant is typically grown in outdoor lawns rather than containers.
- Sol
- Well drained, fertile soil
- pH du sol
- 6.0 to 7.0
- Température
- -20 à 35°C
- Humidité
- 40 à 80%
Sécurité
- Humains
- It is generally considered non toxic to humans.
- Enfants
- There are no specific safety concerns for children, though ingestion of grass is not recommended.
- Allergènes de contact
- The leaf blades can cause minor skin irritation or cuts if handled roughly.
- Allergènes aéroportés
- The pollen is a significant airborne allergen during the late spring flowering season.
- Comestibilité
- This grass is not intended for human consumption.
Comment l'identifier
- Dark green, glossy leaf blades
- Folded leaf buds in cross section
- Smooth, hairless leaf undersides
- Spikelet arrangement along the stem
- Hauteur
- 0,3 à 0,9m
- Envergure
- 0,15 à 0,3m
- Feuilles
- bright green, perennial
- Fleurs
- green, yellow, 0,5 à 1cm
Problèmes courants
- Red Thread — A fungal disease that causes pinkish red patches in the turf during wet weather.
- Billbugs — Larvae feed on the stems and roots, causing brown patches.
La cultiver
- Multiplication
- seed
- Quand planter
- spring, early autumn
Pair with nitrogen fixing legumes to reduce the need for synthetic fertilizers in your lawn.
Bonnes associations
- Poa pratensis — They are often mixed together to create a durable and aesthetically pleasing lawn.
- Trèfle blanc — Clover fixes nitrogen in the soil, which helps feed the grass.
Espèces similaires
- Lolium multiflorum — It is an annual or biennial species that grows much faster but does not persist as long.
- Festuca arundinacea — It is another common turf grass that is more drought tolerant than perennial ryegrass.
Science
- Famille
- Poaceae
- Genre
- Lolium
- Ordre
- Poales
- Classe
- Liliopsida
- Région d'origine
- Europe, Asia, and North Africa.
- Préservation
- It is a widely naturalized species and is not of conservation concern.
It thrives in fertile, well drained soils and is highly competitive in temperate grasslands.
- Intérêt pour la faune
- larval host plant, provides dense nesting cover
- Pollinisateurs
- abeilles
- Utilisations
- lawn turf, pasture forage, erosion control, sports fields
Au fil des saisons
Repères écologiques
- Salinité
- 3/9
- Réaction du sol
- 6/9
- Lumière
- 7/9
- Température
- 5/9
- Humidité
- 5/9
- Nutriments
- 7/9
Taxonomie vérifiée avec le GBIF.
Ce qu'on demande souvent
- How often should I mow it?
- Mow weekly during the active growing season to maintain a height of 5 to 8 centimeters.
- Does it need a lot of water?
- It prefers consistent moisture but can survive short dry spells once established.
D'où vient le nom
The name Lolium is the classical Latin name for darnel, while perenne refers to its perennial growth habit.
Bon à savoir
- It is one of the most widely planted grass species in the world.
- It establishes much faster than many other cool season grasses.
- It is often used in seed mixes to provide quick cover while slower grasses establish.
Ta plante a mauvaise mine ?
Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.
Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.
