Big-leaf Bristle Grass (Setaria Megaphylla) is a perennial grass in the Poaceae family with moderate care difficulty. It requires moderate watering and partial shade or full shade light in USDA hardiness zones 9-11. This plant is toxic to cats and dogs — keep it out of reach of pets.

Setaria megaphylla is a robust, perennial tufted grass known for its large size and broad leaves.

Big-leaf Bristle Grass

Big-leaf Bristle Grass

Setaria Megaphylla

Setaria megaphylla is a robust, perennial tufted grass known for its large size and broad leaves.

Quick Facts

Type
grass
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Partial Shade, Full Shade
Hardiness Zones
9-11

Safety

⚠️
Not Pet Safe
👶
Child Safe
☠️
Toxic

Growing Conditions

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

Care Calendar

Monthly care tasks for Big-leaf Bristle Grass

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

Big-leaf Bristle Grass
Big-leaf Bristle Grass detail

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Taxonomy

Family:Poaceae
Genus:Setaria