Pickerel Weed

Pontederia cordata

Wampee, Heart-Leaved Pickerel Weed, Pickerel Rush

profile iconPontederia cordata 4 PP
by Cephas (CC BY-SA 3.0)
1 of 5
Some Pontederia cordata with purple flowers and green leaves
profile iconPontederia cordata 4 PP
by Cephas (CC BY-SA 3.0)
1 of 5
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 South Africa it is listed as problematic in KwaZulu-Natal, Mpumalanga and Gauteng.
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Related Plants

Planning

Difficulty

Easy

Flowering time

Summer

Propagation

Division

Divide clumps in late spring.

Special features

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

Special features

Origin

The Americas.

Environment

Light

Full Sun

Soil moisture

Wet

Soil type

Clay, Loam, Water

Soil PH preference

Neutral, Acid, Alkaline

Frost hardiness

Hardy

Personality

Family

Pontederiaceae

Flower colour

Purple, Blue

Scent

None

Problems

Generally problem free.
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Knowledge and advice

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