Skip to main content
A picture of a Pickerel Weed

Pickerel Weed

Pontederia cordata

Also known as

Wampee, Heart-Leaved Pickerel Weed, Pickerel Rush

Pontederia cordata 4 PP by Cephas (CC BY-SA 3.0)

Full Sun
Easy care
Frequent watering
Frost Hardy


RHS hardiness


Minimum temperature

Expected size








7 years to reach maturity


  • spring
  • summer
  • autumn
  • winter

This plant has no fragrance

More images of Pickerel Weed

Some Pontederia cordata in flower in a pond
A photo of Pickerel Weed
A photo of Pickerel Weed
Some purple Pontederia cordata flowers and green leaves in a pond
A photo of Pickerel Weed

Pickerel Weed Overview

Pontederia cordata is a clump-forming aquatic marginal species, often planted in water features ponds. It typically grows to a height of around 1.2m, producing lance to oval-shaped foliage and attractive tubular purple-blue flowers. Leaves measure approximately 18cm long and the flowers are borne on spikes up to 15cm tall. Flowering occurs in the summer, grow in full sun for optimal results. Although a highly prized plant in a contained space, it can easily become invasive in certain locations. In South Africa it is listed as problematic in KwaZulu-Natal, Mpumalanga and Gauteng.

Common problems with Pickerel Weed

Generally problem free.

    How to propagate Pickerel Weed


    Divide clumps in late spring.


    Special features of Pickerel Weed

    Wet sites

    Tolerant of low soil oxygen, often found in areas where water levels fluctuate naturally, with spring flooding and later summer emergence.

    Attracts useful insects

    Lovely hunting scouting site for dragon flies.

    Attractive flowers

    Attractive leaves

    Other uses of Pickerel Weed

    Aquatic, semi-aquatic, bog, ornamental, foliage

    Marginal Plants

    Plants that prefer to grow at the margins of ponds, lakes and waterway.

    A photo of Sweet Flag

    Sweet Flag

    Acorus spp.

    Explore all

    Blue Flowering Summer Plants

    Love blue flower and looking for summer inspiration.

    Explore all