Water Poppy (Hydrocleys nymphoides)

Water Poppy (Hydrocleys nymphoides)

A vibrant floating pond plant with bright yellow poppy like flowers and glossy leaves, perfect for adding colour, shade and natural balance to your pond.

Water Poppy (Hydrocleys nymphoides) is a striking rooted, floating-leaved pond plant that brings bright yellow flowers and glossy foliage to warm, sheltered water. Unlike a free-floating plant, it grows from roots anchored in aquatic soil and sends leaves and flowers up to the surface.

This attractive plant produces small, oval shaped floating leaves that spread gently across the surface. These glossy green pads create a natural cover that helps reduce sunlight penetration into the water. As a result, Water Poppy plays an important role in controlling algae by limiting the conditions needed for excessive growth.

The standout feature of this plant is its beautiful flowers. During late summer, Water Poppy produces delicate, cup shaped yellow blooms that resemble miniature poppies. These flowers sit just above the water and create a bright, eye catching display that contrasts beautifully against the green foliage. They also attract pollinators, adding further ecological value to your pond.

Once established, Water Poppy spreads by runners to form a floating patch commonly around 30 cm to 90 cm across, with more room possible in warm conditions. The roots remain anchored in the planting basket while the floating leaves shade the water and provide cover for pond wildlife.

Water Poppy thrives in still or slow moving water and prefers full sun to partial shade. It performs best during the warmer months, making it an ideal seasonal addition from late spring through to early autumn. In suitable conditions, it will grow steadily and may require occasional thinning to prevent overcrowding.

Water Poppy is not frost hardy and is best treated as an exotic seasonal plant in most UK ponds. Plants can be lifted before frost and overwintered in a bright, heated indoor tub or greenhouse, but this can be difficult and replacement plants are often used each spring.

In addition to its visual appeal and water quality benefits, Water Poppy provides shelter for fish, frogs and aquatic insects. The floating leaves create shaded areas where wildlife can rest and hide, making it a valuable addition to any wildlife pond.

For pond owners looking to combine colour, functionality and ease of care, Water Poppy is an excellent and rewarding choice.

🇬🇧 UK-grown aquatic plant: Grown at a dedicated aquatic plant nursery in the South of England and carefully prepared for delivery across the UK.

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Key Benefits

• Bright yellow flowers add colour to pond surface
• Helps reduce algae by shading the water
• Improves water clarity by absorbing excess nutrients
• Provides shelter for fish and amphibians
• Attractive glossy floating leaves
• Supports pollinators during flowering period
• Easy to grow and maintain
• Ideal for summer pond displays

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Reasons to Buy

• One of the most colourful floating pond plants
• Perfect for wildlife friendly ponds
• Enhances pond appearance instantly
• Helps maintain a healthy pond ecosystem
• Rooted growth is suitable for aquatic baskets in shallow water

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Care Instructions

• Plant into an aquatic basket using aquatic soil
• Best grown in still or slow moving water
• Position in full sun or partial shade
• Thin out regularly to prevent overcrowding
• Remove any decaying leaves to maintain water quality
• Lift before frost if attempting to overwinter in a bright, heated indoor position

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Flowering Period

June to September in warm conditions

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Size and Growing Conditions

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Dispatching Your Pond Plants

Your Water Poppy will be carefully packed to protect the foliage and roots during transit.

Orders received by 11am Monday to Wednesday are normally dispatched on the following working day using a next working day courier service. During busy periods, dispatch may occasionally take an extra day.

To avoid plants being held in depots over a weekend, we do not usually dispatch on Fridays. Highlands and Islands orders using a two day service are not normally dispatched on Thursdays.

Available pack size:

• Pack of 5 Young Rooted Plants

The young rooted plants are supplied without permanent baskets and should be potted into aquatic baskets before being placed in shallow water.

Planting depth: Position in up to 20cm of water, measured from the top of the basket to the water surface.

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Similar pond plants

For another rooted deep-water choice, compare Water Hawthorn (Aponogeton distachyos) and Yellow Water Snowflake (Nymphoides thunbergiana).

Explore more floating pond plants or browse our complete pond plants range. Need baskets, aquatic soil or planting essentials? Browse our pond plant baskets and aquatic planting supplies.