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Marginal Pond Plants

Explore our range of UK-grown marginal plants, selected for their strength, reliability, and ability to thrive in British pond conditions. Marginal plants grow in the shallow edges of ponds, helping to soften the transition between water and garden while providing structure, colour, and seasonal interest. From bold architectural foliage to delicate flowering varieties, these plants play an essential role in creating a natural, well-balanced pond. They also support wildlife by offering shelter for amphibians, insects, and pollinators.

Alongside trusted favourites, we offer a carefully chosen selection of rare and unusual marginal plants, ideal for adding something a little different to your pond. All our plants are grown for quality and establishment, so you can plant with confidence.

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Hottonia palustris (Water Violet)

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Hottonia palustris is water violet, a UK native oxygenator with pretty lilac flowers. It grows in shallow water and slow ditches, and it is useful ...

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Iris louisiana 'Marie Gallais'

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Iris louisiana 'Marie Gallais' is a Louisiana iris bred for wet ground and bold early summer flowers. It’s a good pick for bog gardens because it e...

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Equisetum robustum (Black-banded Horsetail)

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Equisetum robustum is a tall horsetail with bold banded stems. It’s often sold as black-banded horsetail and used for strong vertical structure at ...

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Cyperus papyrus (Egyptian Paper Rush)

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Cyperus papyrus is Egyptian papyrus, a bold marginal grown for tall stems topped with umbrella heads. It gives a strong exotic look on pond shelves...

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Myosotis scorpioides 'Alba' (White Water Forget-me-not)

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Myosotis scorpioides 'Alba' is white water forget-me-not. It has the same easy, spreading habit as the blue form but with small white flowers that ...

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Dactylorhiza praetermissa (Southern Marsh Orchid)

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Dactylorhiza praetermissa is southern marsh orchid, a UK native orchid for wet meadows and fens. It’s a special plant for bog gardens if you can gi...

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Monarda didyma 'Bee-Bright'

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Monarda didyma 'Bee-Bright' is a bee balm with summer flowers and scented leaves. It is grown for colour and pollinator value, and it fits best on ...

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Myosotis scorpiodes var. variegata (Variegated Water Forget-me-not)

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Myosotis scorpioides var. variegata is variegated water forget-me-not. It gives you the same reliable bog-edge habit as standard water forget-me-no...

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Mimulus cupreus 'Red Emperor'

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Mimulus cupreus 'Red Emperor' is a monkey flower grown for copper-red blooms and a long flowering run in damp soil. It’s great for bog edges, strea...

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Juncus maritimus (Sea Rush)

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Juncus maritimus is sea rush, a tough rush found in coastal marshes. It handles wet soil and wind, and it’s a good option if you want a stiffer, mo...

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Caltha polypetala (Giant Marsh Marigold)

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Caltha polypetala is giant marsh marigold, also called giant kingcup. It’s a bigger, bolder version of marsh marigold, with larger yellow flowers i...

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Lychnis flos-cuculi 'Nana' (Dwarf Ragged Robin)

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Lychnis flos-cuculi 'Nana' is a dwarf ragged robin, offering the same airy, fringed pink flowers as the species but in a shorter, tidier plant. It’...

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Primula capitata (Round-headed Himalayan Primrose)

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Primula capitata is round-headed Himalayan primrose, a small primrose for cool, damp conditions. It’s often grown for its tight flower heads in sum...

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Iris ensata 'Ruby King'

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Iris ensata 'Ruby King' is a Japanese iris cultivar grown for rich ruby-purple flowers. It thrives in wet, fertile soil and is one of the best iris...

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Aruncus dioicus (Goat's Beard)

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Aruncus dioicus is goat’s beard, a tall perennial for damp soil and part shade. It produces large feathery flower plumes that bring height and text...

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Phragmites karka 'Variegatus' (Variegated Tropical Reed)

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Phragmites karka 'Variegatus' is a variegated reed with striped leaves and tall upright growth. It is used as a bold architectural plant for large ...

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Gunnera magellanica (Devil's Strawberry)

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Gunnera magellanica is devil’s strawberry, a low-growing gunnera used as a ground cover in damp soil. It forms a tight mat of small leaves rather t...

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Monarda didyma 'Bee-True'

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Monarda didyma 'Bee-True' is a bee balm grown for bright summer flowers and scented foliage. It suits the moist upper edge of bog gardens rather th...

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Eupatorium cannabinum (Hemp Agrimony)

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Eupatorium cannabinum is hemp agrimony, a UK native for damp ground and pond edges. It is valued for late summer pink flower heads that attract ins...

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Geranium palustre (Marsh Cranesbill)

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Geranium palustre is marsh cranesbill, a native geranium for damp meadows and bog edges. It produces open pink flowers and fine-textured foliage th...

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Dryopteris erythrosora (Copper Shield Fern)

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Dryopteris erythrosora is copper shield fern, grown for its colourful new fronds and tolerance of damp shade. It adds foliage interest from spring ...

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Darmera peltata (Umbrella Plant)

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Darmera peltata is umbrella plant, a big-leaved perennial for damp ground. It’s a good choice when you want spring flowers followed by bold foliage...

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Astilbe 'Erika'

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Astilbe 'Erika' is a pink flowering astilbe for damp borders and bog edges. It produces soft pink plumes in summer. Appearance It forms mounds of d...

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Cardamine pratensis (Cuckoo Flower)

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Cardamine pratensis is cuckoo flower, also called lady’s smock. It’s a native spring plant for damp meadows and bog edges, and it brings light pink...

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FAQs

What are marginal pond plants?

Marginal pond plants grow around the shallow edges of ponds, with their roots and crowns in or close to the water while their leaves and flowers grow above the surface. They are ideal for planting on pond shelves and help soften the transition between the pond and surrounding garden.

How deep should marginal pond plants be planted?

The correct planting depth varies between species. Some marginals prefer their crowns only just below the water surface, while others tolerate deeper water. Always check the recommended planting depth for the individual plant rather than placing all marginal plants at the same depth.

Can marginal pond plants grow in a wildlife pond?

Yes. Marginal plants are particularly valuable in wildlife ponds because their foliage provides cover around the pond edge and their stems can give emerging aquatic insects a route out of the water. Flowering species can also provide food for bees, hoverflies and other pollinators.

Do marginal pond plants need aquatic baskets?

Marginal plants are commonly grown in aquatic baskets, especially in lined ponds. Baskets make plants easier to position, lift and divide and can help contain vigorous roots. They should normally be filled with suitable aquatic compost or heavy loam rather than ordinary multipurpose compost.

When should I cut back marginal pond plants?

Dead or dying foliage can be removed as plants die back, particularly in autumn, to reduce the amount of decaying material entering the pond. Vigorous marginal plants can also be thinned or divided when they become overcrowded.

What are the best pond plants for a wildlife pond?

The best wildlife pond plants provide a mixture of underwater cover, surface shade, flowering habitat and places for aquatic insects to emerge. A balanced pond can include oxygenating plants, marginal plants and floating-leaved plants such as water lilies. Native species are particularly useful for supporting UK pond wildlife.