Also known as Common Darnel · Common Ray-Grass · Common Rye-Grass
Perennial Ryegrass (Lolium perenne) is a cool-season grass widely used for lawns, pastures, and turf due to its rapid establishment and good wear tolerance.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Thrives in full sun but can tolerate partial shade.
Moderate to High
75% intensity
Prefers consistent moisture, especially during establishment and dry spells.
Well-drained loam
50% intensity
Moderate
50% intensity
Prefers cool to moderate temperatures, generally between 15-25°C for active growth.
Moderate
50% intensity
Requires regular feeding for optimal growth and density, especially in spring and fall.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
Non-toxic
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Perennial ryegrass prefers consistent moisture, especially during establishment and dry periods. Water deeply when the top 2-3 cm of soil feels dry. Avoid overwatering, which can lead to fungal diseases.
Regular watering promotes a dense, healthy lawn.
For lawns, mowing is the primary form of pruning. Maintain a mowing height of 3-5 cm. Remove no more than one-third of the grass blade at each mowing to avoid stressing the plant. Proper mowing encourages thicker growth.
Perennial ryegrass is primarily propagated by seed. Sow seeds in early spring or fall when temperatures are moderate.
Ensure good seed-to-soil contact and keep the area consistently moist until germination and establishment.
Repotting is not applicable to perennial ryegrass as it is a turfgrass species grown in situ, typically as a lawn or in pastures, not in containers. Its growth habit is rhizomatous and stoloniferous.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Perennial Ryegrass (Lolium perenne)
Where Perennial Ryegrass (Lolium perenne) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Poales |
| Family | Poaceae |
| Genus | Lolium |
| Species | Lolium perenne |
Similar in genus Lolium
Answers based on plant encyclopedia data
