Great Water Dock Rumex hydrolapathum - 3L Pot

Code: PL1178
Great Water Dock Rumex hydrolapathum - 3L Pot

Great Water Dock Rumex hydrolapathum - 3L Pot

The Great Water Dock is a herbaceous perennial which blooms with clusters of cream coloured flowers from July through until September. It is a tall plant with slender and pointed leaves. Native to the UK, it grows along the banks of rivers and ponds. It can even grow in very shallow water so it is great as a waterside plant.


  • Flower Colour: cream
  • Foliage Colour: green
  • Approx. Growth Height: up to 1m
  • Flowering Time: summer
  • Uses: gardens, beds and borders
  • Tolerance: tolerant of cold temperatures
  • Growing Habit: clump-forming
  • Exposure: exposed, sheltered
  • Hardiness: hardy
  • Rate of Growth: will reach maximum height in 2-5 years


  • Light Requirements: full sun, partial shade
  • Soil Requirements: chalky, loamy, sandy, acid, neutral
  • Moisture: well drained

Caring and Maintenance:

This plant does not require much maintenance. However, it is vigorous, and needs to be cut back carefully after flowering and prior to seed setting to avoid overgrowth. Propagate through seeds.


  • Plant spread: up to 1m

Plant in autumn in any well drained, full sun or partial shade area.

A perennial is a plant that lives for more than two years. Perennials are flowering plants which grow and bloom over the spring and summer and then die back every autumn and winter. They typically grow structures that allow them to adapt to living from one year to the next through a form of vegetative reproduction rather than seeding. Perennial plants often have deep, extensive root systems which can hold soil to prevent erosion, capture dissolved nitrogen before it can contaminate ground and surface water, and outcompete weeds. They grow very well in conditions that are poor in resources due to their earlier emergence in the spring, and the development of larger root systems which can access water and soil nutrients deeper in the soil.

Customer Reviews

Average Rating: 5.0/5 (1 review)

Rating: 5/5

"I breed and release rare Large Copper Butterflies which lay eggs on giant water dock. Primrose's amazing giant plant has helped to save the species. Thank you very much."

Reviewed Sunday, 18 September 2016

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