Flowering Rush (Butomus umbellatus)

Flowering Rush | Butomus umbellatus

Elegant UK native pond plant with soft pink flowers and graceful upright form

Flowering Rush is a beautifully elegant aquatic plant that brings movement, height, and a soft natural look to any pond. Despite its name, it is not a true rush, but this does not take away from its appeal. Butomus umbellatus is a firm favourite for wildlife ponds and garden water features thanks to its delicate pink flowers and slender, grass like foliage.

From early summer through to late summer, Flowering Rush produces clusters of pale pink flowers held high above the water on tall, upright stems. These airy blooms gently sway in the breeze, adding a sense of movement and calm to the pond environment. The flowers are not only attractive but also highly beneficial, drawing in pollinators such as bees and supporting biodiversity in your garden.

The long, narrow foliage grows in neat clumps and provides vertical structure without becoming overpowering. Reaching heights of up to 1 metre, it works well at the back of marginal shelves or mixed among other pond plants to create a natural layered effect. Its foliage also offers shelter for amphibians and small pond creatures, making it a valuable addition to any wildlife friendly setup.

Flowering Rush thrives in shallow water and moist soils, making it perfect for pond margins, streams, and bog gardens. It is fully hardy in the UK and requires very little maintenance once established. Over time, it will slowly spread to form attractive clumps, but it remains manageable and easy to control.

This plant is ideal for those looking to create a naturalistic pond with a soft, flowing planting style. It pairs beautifully with water lilies, irises, and other marginal plants, adding contrast and texture without dominating the space.

If you are looking for a reliable, attractive, and wildlife friendly pond plant, Flowering Rush is an excellent choice that delivers both beauty and ecological benefits.

🇬🇧 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

• Produces delicate pale pink flowers above the water
• Adds height and gentle movement to pond planting
• Attracts bees and other pollinators
• Provides shelter for amphibians and pond life
• UK hardy and easy to grow
• Perfect for natural and wildlife pond designs

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Reasons to Buy

• Ideal for creating a soft, natural pond look
• Reliable flowering plant for summer interest
• Easy to establish and low maintenance
• Works well in both small and large ponds
• Great addition to wildlife friendly gardens

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Care Instructions

• Place the plant on a marginal shelf in water between 3 cm and 25 cm deep. Depth is measured from the top of the basket to the water surface.
• Flowering Rush prefers full sun but will tolerate partial shade. Keep it in consistently moist or shallow water conditions. For best results, ensure it receives plenty of sunlight during the growing season.
• Divide clumps every few years in spring to maintain healthy growth and prevent overcrowding. Remove spent flower stems and dead foliage to keep the plant looking tidy.

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Flowering Period

June to August

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Size and Growing Conditions

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Dispatching Your Pond Plants

Your Flowering Rush 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 basket sizes:

• Pack of 3 × 9cm Pots
• 1 Litre Basket – usually 11 × 11 × 11cm square; some varieties may be supplied in a 14cm diameter × 10cm round basket
• Pack of 3 × 1 Litre Baskets – each usually 11 × 11 × 11cm square
• 3 Litre Hexagonal Basket – 18 × 18 × 16cm

Planting depth is measured from the top of the aquatic basket to the water surface.

Plants supplied in 9cm pots require potting into suitable aquatic baskets before being placed in the pond.

Finofil baskets are manufactured in the UK from 100% recycled plastic and are fully recyclable. Their fine dual-mesh construction helps retain aquatic soil while allowing water and nutrients to reach the roots. Basket shape may vary slightly depending on the plant and supplier availability.

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Similar pond plants

For another pond-edge planting option, compare Hemp Agrimony (Eupatorium cannabinum) and Gardener’s Garters (Phalaris arundinacea ‘Picta’).

Explore more marginal 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.