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Agrostis gigantea
redtop
Agrostis gigantea
Agrostis gigantea, commonly known as Redtop, is a perennial grass species often used in pasture mixes, erosion control, and as a ground cover. It is adaptable to a wide range of soil types and moisture conditions, making it a versatile choice for various environments. Its reddish-brown seed heads give it its common name.
CategoryDetails
Plant TypePerennial plant
Estimated Plant Lifespan5 years lifespan
Sun Requirements4-6 hours direct sunlight (Partial Sun)
Pollination

Method: wind

Watering Requirements

Method: Top water

Frequency: Keep soil consistently moist

Notes: Avoid overwatering, which can lead to root rot.

Humidity Requirements

Level: Moderate

Cleaning RequirementsRegular mowing helps to maintain a uniform height and prevent excessive seed production. Fertilize sparingly with a balanced fertilizer in the spring.
Temperature Range

Min: -15°C

Max: 30°C

Trifolium repens
white clover
Trifolium repens
White Clover can fix nitrogen in the soil, benefiting the Redtop grass by providing a natural source of fertilizer and improving soil health.
Poa pratensis
Smooth Meadow-grass
Poa pratensis

Kentucky Bluegrass can compete with Redtop for nutrients and space, especially in well-drained and fertile soils.

Lolium arundinaceum
tall fescue
Lolium arundinaceum

Tall Fescue, being a robust and competitive grass, can outcompete Redtop, particularly in drier conditions, for resources such as water and nutrients, thus hindering the growth of Agrostis gigantea.

Aphids

Aphids suck sap from the grass blades, causing yellowing, stunted growth, and potentially transmitting diseases.

Grasshoppers

Grasshoppers can chew on the leaves of Redtop grass, causing significant defoliation and weakening the plant.

Steps:

    • Collect seeds from mature plants in late summer or early fall.
    • Clean the seeds and store them in a cool, dry place.
    • Prepare a seedbed by loosening the soil and removing any debris.
    • Sow the seeds evenly over the prepared seedbed.
    • Lightly rake the seeds into the soil.
    • Keep the soil consistently moist until germination occurs (typically within 7-14 days).

Neem Oil

Can be used to control aphid infestations on Redtop grass.

Diatomaceous Earth

Can be sprinkled around plants to deter grasshoppers.

Seaweed Extract

Provides trace minerals that promote healthier grass growth.