Black Needle Rush (Juncus Roemerianus) is a perennial herb in the Juncaceae family with easy care difficulty. It requires very high watering and full sun light in USDA hardiness zones 7-11. This plant is safe for cats and dogs.

Juncus roemerianus is a perennial rush native to coastal salt marshes, forming dense, upright stands.

Black Needle Rush

Black Needle Rush

Juncus Roemerianus

Juncus roemerianus is a perennial rush native to coastal salt marshes, forming dense, upright stands.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
very high
Light
Full Sun
Hardiness Zones
7-11

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:silty, clay, sandy, saline
Indoor:No
Outdoor:Yes
Garden Use:erosion control, habitat creation

Care Calendar

Monthly care tasks for Black Needle Rush

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

Black Needle Rush
Black Needle Rush detail

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Taxonomy

Family:Juncaceae
Genus:Juncus