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Plant guide

Orchard grass.

Dactylis glomerata

Pronounced DAK-tih-liss glom-er-AY-tuh

Also known as Akaroa, Barnyard Grass, Cat Grass, Cock's-Foot, Cocksfoot, Cocksfoot Grass, Cockspur

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orchard grass
Photo by zebedeugalinha (CC BY) via iNaturalist

Orchard grass is a hardy, cool season perennial bunchgrass often found in pastures and meadows. It is well known for its ability to grow in shaded areas where other grasses might struggle. You will find it is quite resilient and adaptable to various soil conditions.

At a glance

Care level
Easy
Plant type
Perennial grass
Light
Full sun to partial shade
Indoor light
Bright indirect
Water
Every 3 to 7 days
Mature size
3 to 4 feet
Growth rate
Fast
Hardiness
USDA 3 to 9
Bloom time
Late spring to early summer

Care

Keep the soil consistently moist but not waterlogged to encourage healthy growth. Watch for yellowing leaves which can indicate poor drainage or nutrient deficiency. It thrives best when given plenty of space to form its characteristic clumps.

Watering
Water deeply whenever the top inch of soil feels dry to the touch.
Feeding
Apply a balanced fertilizer during the active growing season to support lush foliage.
Pruning
Trim back old growth in late winter to make room for fresh spring shoots.
Repotting
Repot only if the plant becomes root bound or if you need to divide the clump.
Soil
Well drained loam
Soil pH
6.0 to 7.0
Temperature
-25 to 35°C
Humidity
40 to 80%
Drought tolerance
Moderate
Lifespan
Perennial, typically 5 to 10 years.
Deer and rabbits
Moderate

Signs it needs repotting

  • Roots growing out of drainage holes.
  • Stunted growth despite regular feeding.

Safety

People
There is no known toxicity to humans.
Children
The sharp, serrated edges of the leaves can cause paper-like cuts on sensitive skin.
Contact allergens
The leaf blades have sharp, rough edges that can cause minor skin abrasions.
Airborne allergens
The pollen is a significant airborne allergen during the late spring flowering period.
Edibility
This grass is not intended for human consumption.

How to identify it

  • Blue green leaf blades
  • Folded leaf buds
  • Distinctive dense flower clusters
  • Rough textured leaf margins
Height
0.3 to 1.2m
Spread
0.2 to 0.6m
Leaves
blue-green, green, semi-evergreen
Flowers
green, pale-yellow, 0.5 to 1cm

Problems to watch for

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    Growing it

    Propagation
    seed, division
    When to plant
    spring, autumn
    Overwintering
    It remains semi-evergreen in mild climates and requires no special protection. In colder regions, the foliage may die back to the crown, which will regrow in spring.
    In containers
    It is not typically grown in containers due to its vigorous root system and size.

    Division

    1. 1. Dig up a mature clump in early spring.
    2. 2. Use a sharp spade to divide the clump into smaller sections.
    3. 3. Replant the sections immediately at the same depth as before.
    4. 4. Water thoroughly to establish the roots.

    Seed

    1. 1. Prepare a clean, weed-free seedbed.
    2. 2. Sow seeds in spring or early autumn.
    3. 3. Lightly cover with soil and keep moist until germination.

    Pair with legumes to naturally boost soil nitrogen levels in pasture settings.

    Grows well with

    • Red Clover · It fixes nitrogen in the soil which benefits the grass.
    • Alfalfa · They are often grown together to create a balanced forage mix.

    Similar species

    • Tall Fescue · It is another common cool-season forage grass with a similar growth habit.

    Science

    Family
    Poaceae
    Genus
    Dactylis
    Order
    Poales
    Class
    Liliopsida
    Native range
    Europe, temperate Asia, and North Africa.
    Conservation
    It is considered an invasive species in some regions outside its native range.

    It is a highly adaptable grass that colonizes disturbed sites and open woodlands.

    Value to wildlife
    larval host plant, nesting material for birds
    Pollinators
    bees, butterflies, moths
    Uses
    forage crop, erosion control, pasture grass

    Through the year

    JFMAMJJASOND
    Flowering
    Fruiting
    Foliage

    Ecological indicators

    Salinity
    2/9
    Soil reaction
    6/9
    Light
    6/9
    Temperature
    5/9
    Moisture
    5/9
    Nutrients
    6/9

    Taxonomy resolved against GBIF.

    Questions people ask

    Is orchard grass good for lawns?
    It is generally too coarse and bunch-forming for a high-quality residential lawn.
    How do I control it if it spreads?
    Regular mowing before it sets seed is the most effective way to manage its spread.

    Where the name comes from

    The genus name Dactylis comes from the Greek word for finger, referring to the shape of the flower clusters, while glomerata means gathered into heads.

    Good to know

    • It thrives in the partial shade of orchards, which is how it earned its common name.
    • This grass is one of the most important cool-season forage grasses in the world.
    • It can grow quite rapidly in fertile, well-drained soils.

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    This guide was generated with AI on and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.