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Sweet Flag

Wetland Stabilizer & Medicinal Herb

Sweet Flag provides habitat for amphibians, attracts waterfowl, and offers traditional medicinal uses. Great for streambanks, wetlands, and water gardens.


$395
Shipping calculated at checkout.

Pot size

Delivery and Shipping

Nonperishable items ship within 48 business hours. Perishable items ship seasonally during mild weather, i.e. winter preorders ship in spring, summer preorders ship in fall.

Sweet Flag (Acorus americanus)

Sweet Flag, a perennial wetland plant, offers both ecological benefits and traditional uses, making it a valuable addition to water gardens and riparian areas. Its aromatic leaves and rhizomes have been used for centuries in herbal medicine, while its thick stands provide habitat and shelter for aquatic life. Ideal for moist, low-lying areas, Sweet Flag is a versatile plant that supports wildlife and offers beauty to naturalized landscapes.

Key Characteristics:

  • Ecological Support for Amphibians and Insects
    Sweet Flag's dense growth creates vital habitat for amphibians like frogs and toads, offering them shelter in wetland areas. It also supports aquatic insects, including dragonfly larvae, which thrive in its moist environment, contributing to balanced ecosystems.

  • Traditional Medicinal Uses
    The rhizomes of Sweet Flag have been traditionally harvested by indigenous cultures for their calming and digestive properties. Used in teas or tinctures, Sweet Flag is known for treating digestive discomfort, as well as serving as a mild sedative for stress relief.

  • Streambank and Wetland Stabilization
    Sweet Flag is perfect for controlling erosion along streambanks, ponds, and wetland areas. Its strong root system binds the soil, preventing runoff and creating a stable habitat for both aquatic and terrestrial species.

  • Aromatic Herb for Natural Landscapes
    With its fragrant leaves and roots, Sweet Flag adds sensory interest to rain gardens, pond edges, and water features. It thrives in moist to wet soils and can be used to enhance the biodiversity of wet meadows and permaculture systems.

  • Attracts Waterfowl and Small Mammals
    The plant’s seeds and rhizomes are a food source for waterfowl, such as ducks, and small mammals like muskrats. It provides both nourishment and shelter, making it a valuable species in wetland restoration efforts.

Product Details:

  • Native Range: North America
  • Plant Life Cycle: Perennial
  • Sun Requirements: Full sun to partial shade
  • Soil Requirements: Medium to wet, prefers consistently moist conditions
  • Mature Height: 2-3 feet
  • Bloom Time: May to June
  • Bloom Color: Greenish-yellow spikes
  • USDA Hardiness Zones: 3-9

Sweet Flag is a robust, multi-functional plant for wetland areas, offering both ecological value and traditional uses. It supports wildlife, stabilizes soil, and enhances the sensory experience in any natural garden.

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Acorus americanus sweet flag potted plant for sale

Sweet Flag

From $395

Sweet Flag (Acorus americanus)

Sweet Flag, a perennial wetland plant, offers both ecological benefits and traditional uses, making it a valuable addition to water gardens and riparian areas. Its aromatic leaves and rhizomes have been used for centuries in herbal medicine, while its thick stands provide habitat and shelter for aquatic life. Ideal for moist, low-lying areas, Sweet Flag is a versatile plant that supports wildlife and offers beauty to naturalized landscapes.

Key Characteristics:

Product Details:

Sweet Flag is a robust, multi-functional plant for wetland areas, offering both ecological value and traditional uses. It supports wildlife, stabilizes soil, and enhances the sensory experience in any natural garden.

Pot size

  • 2.5" pot
  • Quart
  • 1 Gallon
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