Japanese Sweet Flag

Japanese Sweet Flag Care

Acorus gramineus

What is the plant

Introduce yourself to the world of Acorus gramineus, a captivating perennial with graceful slender leaves ranging from vibrant emerald to soothing yellow-green. Their juicy arching appearance would add a touch of energy and elegance to any landscape.

Commonly known as Japanese Sweet Flag, Japanese Rush, and Grassy-leaved Sweet Flag, Acorus gramineus is an aquatic perennial herb native to Japan, Korea, and eastern Asia. Belonging to the Acoracae family, this plant typically grows to a height of 10-12 in (25-30 cm) and has slender, sword-shaped leaves. The width of the foliage is approximately 0.2-0.4 in (0.5-1 cm). The leaves produce a sweet and pleasant fragrance when crushed or bruised. Japanese Sweet Flag blooms with tiny inconspicuous flowers that form in small clusters and usually blend with foliage. This herb is usually grown in gardens, borders, and landscape designs for ornamental purposes.

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Humidity

High

Lighting

Part Sun

Temperature

17°C - 20°C

Hardiness zone

6 - 9

Difficulty

Medium

Hibernation

Cold Period

Toxicity

Poisonous

How to Care for the Plant

Container
Growing Japanese Rush in a container, it's recommended to choose a shallow pot that is 2-3 times bigger than the plant’s root ball. Opt for a container with draining holes, allowing excess water to flow out, thus, preventing root issues.
Fun fact
Japanese Sweet Flag was widely used in traditional medicine in East Asian countries to cure gastrointestinal disorders, respiratory conditions, and relieve stress and anxiety. This plant is believed to have mild sedative effects and promote relaxation.