Opposite Stonewort (Chara Contraria) is a perennial aquatic in the Characeae family with moderate care difficulty. It requires aquatic watering and full sun or partial shade light in USDA hardiness zones 3-10. This plant is safe for cats and dogs.

Chara contraria is a freshwater charophyte green algae species that grows submerged in aquatic environments, often in rivers and freshwater bodies.

Opposite Stonewort

Opposite Stonewort

Chara Contraria

Chara contraria is a freshwater charophyte green algae species that grows submerged in aquatic environments, often in rivers and freshwater bodies.

Quick Facts

Type
aquatic
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
aquatic
Light
Full Sun, Partial Shade
Hardiness Zones
3-10

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:silty, loamy, gravelly
Indoor:No
Outdoor:Yes
Garden Use:aquatic habitat, erosion control

Care Calendar

Monthly care tasks for Opposite Stonewort

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

Opposite Stonewort
Opposite Stonewort detail

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Taxonomy

Family:Characeae
Genus:Chara