Spiny Rush (Juncus Acutus) is a perennial grass in the Juncaceae family with easy care difficulty. It requires medium to high watering and full sun or partial shade light in USDA hardiness zones 7-10. This plant is safe for cats and dogs.

Juncus acutus is a perennial, grass-like herb known for its sharp, spiny leaves and clump-forming growth habit.

Spiny Rush

Spiny Rush

Juncus Acutus

Juncus acutus is a perennial, grass-like herb known for its sharp, spiny leaves and clump-forming growth habit.

Quick Facts

Type
grass
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
medium to high
Light
Full Sun, Partial Shade
Hardiness Zones
7-10

Safety

🐕
Pet Safe
⚠️
Not Child Safe
Non-Toxic

Growing Conditions

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

Care Calendar

Monthly care tasks for Spiny 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

Spiny Rush
Spiny Rush detail

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Taxonomy

Family:Juncaceae
Genus:Juncus