Persicaria amphibia (Polygonum amphibium) – Water Smartweed / Amphibious Bistort

Add striking greenery and natural beauty to your pond or wetland garden with Persicaria amphibia, also known as Polygonum amphibium, Water Smartweed, or Amphibious Bistort. This versatile UK-native aquatic perennial thrives in both shallow water and damp soil, making it an excellent choice for wildlife-friendly landscapes.

✅ Dual Growth Habit – Can be grown as a marginal pond plant with floating leaves, or as a terrestrial plant in damp ground, providing year-round interest.

✅ Attractive Blooms – Produces dense clusters of vibrant pink flower spikes in summer, which attract pollinators such as bees, butterflies, and other beneficial insects.

✅ Wildlife Friendly – Floating leaves create shade and shelter for pond life, while flowers provide nectar for pollinators.

✅ Native to the UK – A hardy, low-maintenance plant well-suited to British gardens and natural pond environments.

✅ Easy to Grow – Thrives in full sun or partial shade, in water depths up to 30cm, or in consistently damp soil along pond margins.

Plant Information:

• Position: Marginal pond edges / shallow water (up to 30cm deep)

• Flowers: Summer (June – August)

• Height: 30–90cm

• Spread: 60cm+

• Native status: UK native, wildlife friendly

Why Choose Persicaria amphibia?

• Versatile aquatic & marginal plant

• Supports pond biodiversity

• Adds colour and structure to ponds & wetlands

• Hardy and reliable in the UK climate

Supplied as a healthy, established plant – ready for planting directly into your pond basket or damp garden soil. Fast UK delivery available.