Sweet Flag (Acorus Calamus) is a perennial aquatic in the Acoraceae family with moderate care difficulty. It requires very high watering and full sun or partial shade light in USDA hardiness zones 4-9. This plant is toxic to cats and dogs — keep it out of reach of pets. It can be grown indoors.
Acorus calamus is a tall, wetland monocot perennial plant known for its sword-shaped leaves and aromatic rhizomes.
Sweet Flag
Acorus Calamus
Acorus calamus is a tall, wetland monocot perennial plant known for its sword-shaped leaves and aromatic rhizomes.
Quick Facts
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Growing Conditions
Care Calendar
Monthly care tasks for Sweet Flag
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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