Sea Lettuce (Ulva Rigida) is a perennial aquatic in the Ulvaceae family with easy care difficulty. It requires aquatic watering and full sun or partial shade light in USDA hardiness zones 3-11. This plant is safe for cats and dogs.
Ulva rigida is a species of green algae characterized by its rigid, sheet-like thallus often found in marine intertidal zones.

Sea Lettuce
Ulva Rigida
Ulva rigida is a species of green algae characterized by its rigid, sheet-like thallus often found in marine intertidal zones.
Quick Facts
Safety
Growing Conditions
Care Calendar
Monthly care tasks for Sea Lettuce
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
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Growth Hack
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