Giant Pickerel Weed | Pontederia lanceolata
Beautiful and beloved by bees
Grown by Caroline
Enfield
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Plant diary
- Flower
- Harvest
Giant Pickerel Weed
Pontederia lanceolata
- A tall, architectural version of Pontederia cordata which grows up to 1.5m tall!
- Heart-shaped, shiny jade green leaves, with clusters of lavender blue flowers rising on tall spikes.
- This is a vigorous aquatic perennial ideal for adding structure and height to the borders of ponds.
- Free flowering from July to September.
- Low-maintenance, pest and disease free.
- Attracts bees and butterflies as well as providing a habitat for small mammals and birds.
What to expect
Supplied as
Eventual height
Eventual spread
Flower colour
Habit
Hardiness
Spacing
Will this grow in my garden?
Can I grow this in a pot?
Yes, the Giant Pickerel Weed is well-suited to being grown in a pot, provided it is kept in consistently moist or waterlogged soil.
How big does it get?
The Giant Pickerel Weed can reach an impressive height of 1-1.5 metres with a spread of 60-90 cm.
How much sunlight does this need?
The Giant Pickerel Weed thrives in full sun.
What kind of soil does this plant prefer?
Giant Pickerel Weed thrives in heavy, consistently moist or waterlogged soil, particularly at the edge of a pond.
How much watering does this plant need?
The Giant Pickerel Weed flourishes in wet conditions and needs regular watering to maintain waterlogged soil.
Will this plant need pruning?
The Giant Pickerel Weed should be cut back to about 5 cm above the soil level in late autumn before temperatures drop below 5°C.
How hardy is this plant?
Giant Pickerel Weed is hardy (H4), withstanding temperatures down to -10°C, though it benefits from being submerged below the ice line during harsh UK winters.
The wider garden
Enfield
Meet Caroline
A deep dive into sustainable gardening
Nestled amongst wildlife meadows and resident ducks, Caroline’s award winning pond plant nursery in Enfield has been making a splash since 1965, when they invented the (recycled, obvs) aquatic basket. Sixty years and multiple RHS gold medals later, they’re still surprising us with new varieties every year!
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