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Sweet Flag - 5" Pot

Save ₹100 Save ₹100
Original price ₹199
Original price ₹199 - Original price ₹199
Original price ₹199
Current price ₹99
₹99 - ₹99
Current price ₹99

(MRP Inclusive of all taxes)

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In stock
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Why it’s special?

  • Aromatic medicinal rhizome (bach)
  • Thrives in bog and pond margins
  • Fragrant sword-shaped foliage
  • Hardy and low maintenance
  • Variegated ornamental forms available

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Country of origin: India

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Sweet flag, or bach, is an aromatic semi-aquatic perennial grown along pond edges, marshes and moist ground for its fragrant, sword-shaped leaves and medicinal rhizome. The narrow, upright foliage releases a sweet, spicy scent when crushed and forms attractive clumps in wet soil or shallow water. The rhizome is widely used in Ayurveda and traditional medicine. Adaptable and hardy, it thrives in boggy spots, water gardens and large containers kept constantly moist. Variegated forms add ornamental value to pond margins. Easy to grow given enough moisture, sweet flag is both a useful herb and a handsome waterside plant.

Specifications

Family Acoraceae
Native region Asia, widely naturalised
Mature height 0.6-1 m
Mature spread Spreading clumps via rhizome
Growth rate Moderate
Foliage Sword-shaped, aromatic green (sometimes variegated)
Flower colour Greenish-yellow spadix (inconspicuous)
Flower season Summer
Climate zone Temperate to subtropical wetlands

Care guide

Sunlight Full sun to partial shade
Watering Constantly wet; boggy soil or shallow water
Soil / mix Heavy, rich, waterlogged or marshy soil
Temperature 10-35 C; hardy
Humidity High; aquatic margins
Fertilizer Occasional aquatic plant feed
Pruning Remove old or damaged leaves
Repotting Divide rhizomes every 2-3 years
Propagation Division of rhizomes
Pests & problems Generally pest-free
Toxicity / safety Rhizome medicinal but not for casual consumption
Difficulty Easy

Uses

Grown for its aromatic, medicinal rhizome used in Ayurveda and as a fragrant marginal plant for ponds and water gardens. Variegated forms are valued ornamentally.

Growing tips

In India, grow sweet flag in constantly wet, boggy soil or shallow pond margins in sun to partial shade. Keep it from ever drying out and divide the spreading rhizomes every few years to refresh clumps.

Frequently asked questions

How often should I water sweet flag?
Keep it permanently wet; grow it in boggy soil or shallow water and never allow the roots to dry out.
How much light does sweet flag need?
It grows well in full sun to partial shade, with full sun giving the most compact, vigorous clumps.
Is sweet flag safe for pets?
Keep pets from chewing it; the aromatic rhizome is a traditional medicine and not meant for casual consumption.
Do I need to repot or divide sweet flag?
Divide the spreading rhizomes every two to three years to keep clumps healthy and to propagate.
How do I propagate sweet flag?
Lift and cut the rhizome into sections, each with a growing point, then replant in wet, rich soil.
Why are my sweet flag leaf tips browning?
Browning tips usually mean the soil dried out; keep it constantly wet, as it cannot tolerate drought.
Does sweet flag flower?
It produces a small, inconspicuous greenish-yellow spadix in summer, but it is grown for foliage and rhizome.
Can I grow sweet flag indoors?
It can grow in a water-filled container or bog pot in bright light, provided it stays constantly wet.
Is sweet flag toxic to humans?
The rhizome is medicinal but some forms contain compounds best avoided in large doses, so do not self-medicate.
What fertilizer does sweet flag need?
It is a light feeder; an occasional aquatic plant fertilizer in the growing season is enough.

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