Calcareous Green Seaweed (Halimeda Tuna) is a perennial aquatic in the Halimedaceae family with moderate care difficulty. It requires aquatic watering and full sun or filtered_light light in USDA hardiness zones 10-13. This plant is toxic to cats and dogs — keep it out of reach of pets.
A calcareous green macroalga forming segmented, coin-like thalli, widespread in tropical and subtropical seas.
Calcareous Green Seaweed
Halimeda Tuna
A calcareous green macroalga forming segmented, coin-like thalli, widespread in tropical and subtropical seas.
Quick Facts
Safety
Growing Conditions
Care Calendar
Monthly care tasks for Calcareous Green Seaweed
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
View leaf details, flowers, seeds & more in the app