Acorus calamus

Common Sweet Flag

Spreading aquatic perennial that features sword-shaped leaf blades.

Easy-to-grow in boggy soil or standing water
Naturalizes to form large colonies
Good choice for water gardens and shorelines

Height:

24-30 Inches

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Spread:

18-24 Inches

Hardiness Zone:

4 - 10

Great Companion Plants for Acorus calamus
Tussock Sedge
Soft Rush Soft Rush
Characteristics & Attributes
Exposure
• Full Sun
• Partial Shade
Soil Moisture Preference
• Wet Soil
• Inundated
Season of Interest (Flowering)
• Summer
Season of Interest (Foliage)
• Summer
Foliage Color
• Green
Habit
• Perennial
Program
• MSD (Metropolitan St. Louis Sewer District)
Attributes
• Naturalizing
• Wetlands and Streambank Stabilization
• Mass Planting
• Midwest Native