Sea Lettuce (Ulva Lactuca) is a annual aquatic in the Ulvaceae family with easy care difficulty. It requires aquatic watering and full sun or partial shade light in USDA hardiness zones 1-13. This plant is safe for cats and dogs.

Ulva lactuca, commonly known as sea lettuce, is a green macroalga found worldwide in marine environments.

Sea Lettuce

Sea Lettuce

Ulva Lactuca

Ulva lactuca, commonly known as sea lettuce, is a green macroalga found worldwide in marine environments.

Quick Facts

Type
aquatic
Lifecycle
annual
Care Difficulty
Easy
Water Needs
aquatic
Light
Full Sun, Partial Shade
Hardiness Zones
1-13

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:saline
Indoor:No
Outdoor:Yes
Garden Use:habitat, water quality improvement

Care Calendar

Monthly care tasks for Sea Lettuce

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

Sea Lettuce
Sea Lettuce detail

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Taxonomy

Family:Ulvaceae
Genus:Ulva