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Acorus calamus

Family Acoraceae
Plant Type herbaceous perennial
Zone USDA:   2a - 10b   RHS:   H - HH   EGF:   H1 - G1   Australia:   1 - 4  
Care Level
Height 0.9 - 1.2 m (3 - 4 ft)
Spread 30 - 60 cm (1 - 2 ft)
Light full sun to light shade
Soil Moisture
Soil Type clay to sandy
Soil pH acidic to neutral

Description The herbaceous perennial Acorus calamus (sweet flag) bears faded green blooms during mid spring to late spring. The showy glossy foliage is medium green in colour, fine in texture and aromatic. Acorus calamus (sweet flag) has stems that are fragrant.
Typical Uses Bog, border and pond.
Special Characteristics Acorus calamus is tolerant of wet sites.
Cautions When planning your garden, take into consideration that Acorus calamus (sweet flag) grows at a fast rate and will fill its designated space quickly.