Three-square Bulrush (Schoenoplectus Pungens) is a perennial aquatic in the Cyperaceae family with easy care difficulty. It requires very high watering and full sun or partial shade light in USDA hardiness zones 3-9. This plant is safe for cats and dogs.

A perennial, grasslike herb found in wetlands and shallow water, characterized by sharply triangular stems and no leaves on the stems.

Three-square Bulrush

Three-square Bulrush

Schoenoplectus Pungens

A perennial, grasslike herb found in wetlands and shallow water, characterized by sharply triangular stems and no leaves on the stems.

Quick Facts

Type
aquatic
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
very high
Light
Full Sun, Partial Shade
Hardiness Zones
3-9

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:clay, loamy, silty, peaty
Indoor:No
Outdoor:Yes
Garden Use:erosion control, habitat creation, water filtration

Care Calendar

Monthly care tasks for Three-square Bulrush

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

Three-square Bulrush
Three-square Bulrush detail

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Taxonomy

Family:Cyperaceae
Genus:Schoenoplectus