Purple Threeawn (Aristida Purpurea) is a perennial grass in the Poaceae family with easy care difficulty. It requires drought-tolerant watering and full sun light in USDA hardiness zones 4-9. This plant is safe for cats and dogs.

Aristida purpurea is a perennial bunchgrass native to North America, known for its striking purple seed heads and upright, graceful form.

Purple Threeawn

Purple Threeawn

Aristida Purpurea

Aristida purpurea is a perennial bunchgrass native to North America, known for its striking purple seed heads and upright, graceful form.

Quick Facts

Type
grass
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
drought-tolerant
Light
Full Sun
Hardiness Zones
4-9

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, rocky, loamy
Indoor:No
Outdoor:Yes
Garden Use:erosion control, groundcover, ornamental

Care Calendar

Monthly care tasks for Purple Threeawn

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Purple Threeawn
Purple Threeawn detail

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Taxonomy

Family:Poaceae
Genus:Aristida