Choose a country to see content specific to your location

Skip to main content
A picture of a Sweet-Flag

Sweet-Flag

Acorus calamus

Also known as

Makkalmoes (Afr.), Ikalamuzi (Zulu), Myrtle flag, Murtle grass, Murtle sedge, Sweet cane, Sweet flag, Sweet sedge

Calamus (Acorus calamus) 1 by Mokkie (CC BY-SA 3.0)

Full Sun
Moderate care
Moderate watering
Frost Hardy

6a

USDA zone

-23°C

Minimum temperature

Expected size

Height
Spread

1m

Max

1m

60cm

Min

50cm

Flowering

  • spring
  • summer
  • autumn
  • winter

More images of Sweet-Flag

A photo of Sweet-Flag
A photo of Sweet-Flag
A photo of Sweet-Flag
A photo of Sweet-Flag
A photo of Sweet-Flag

Sweet-Flag Overview

This is a clump-forming, grass-like, rhizomatous, herbaceous perennial with green foliage that grows to around 2m tall. Ideal for planting in boggy areas or at pond edges where they have plenty of water to thrive.

How to propagate Sweet-Flag

Division

Divide plants in spring.

Special features of Sweet-Flag

Wet sites

Other uses of Sweet-Flag

Grown as an aquatic, and or bog plant. The roots have been used for perfume, medicinally and as a food, as substitutes for cinnamon, nutmeg and ginger.

Other uses

Edible

Medicinal