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Arrhenatherum elatius
tall oat grass
Arrhenatherum elatius
Arrhenatherum elatius, or Tall Oatgrass, is a perennial bunchgrass native to Europe and Asia. It's known for its tall, erect growth habit, reaching heights of 2-4 feet. It features long, narrow leaves and produces fluffy seed heads that are attractive to wildlife. It's a relatively low-maintenance grass, tolerant of various soil types and conditions, making it a popular choice for pasture and meadow plantings.
CategoryDetails
Plant TypePerennial plant
Duration to maturity6 months to harvest
Estimated Plant Lifespan5 years lifespan
Sun Requirements6+ hours direct sunlight (Full Sun)
Pollination

Method: wind

Watering Requirements

Method: Top water

Frequency: When soil is dry to the touch

Notes: Avoid overwatering, as this can lead to root rot.

Humidity Requirements

Level: Moderate

Temperature Range

Min: -15°C

Max: 30°C

Trifolium pratense
Red Clover
Trifolium pratense
Red clover fixes nitrogen in the soil, benefiting the Tall Oatgrass. The two plants complement each other in a meadow setting.
Achillea millefolium
common yarrow
Achillea millefolium
Yarrow is drought-tolerant and can help improve soil drainage, which benefits Tall Oatgrass in drier conditions. They also have differing root depths, reducing competition.
Lolium arundinaceum
tall fescue
Lolium arundinaceum

Tall Fescue, being a similar species, can compete aggressively for resources like water and nutrients, potentially hindering Tall Oatgrass growth.

Various aphids

Aphids are sap-sucking insects that can cause stunted growth, leaf yellowing and curling. Heavy infestations can weaken the plant.

Crown rust

Crown rust is a fungal disease that causes orange pustules on the leaves and stems. Severe infections can lead to reduced growth and yield.

Steps:

    • For seed propagation, sow seeds in spring or autumn in well-drained soil.
    • For division, dig up established clumps in spring or autumn, divide into smaller sections with roots, and replant.

Neem oil

Effective against many common garden pests, including aphids.

Compost

Improves soil health and provides essential nutrients.