Tall Oatgrass (Arrhenatherum Elatius) is a perennial grass in the Poaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 4-9. This plant is safe for cats and dogs.

Arrhenatherum elatius is a tall, perennial grass known for its erect, tussock-forming habit and smooth stems, commonly found in prairies, roadsides, and uncultivated fields.