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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.
Gratiola officinalis is hedge hyssop, a low perennial for wet ground and pond edges. It produces small pale flowers and suits natural-style bog pla...
View full detailsEleocharis acicularis is dwarf hairgrass, a fine-textured marginal often used to soften pond edges. It forms low grassy mats in shallow water and w...
View full detailsFilipendula ulmaria is meadowsweet, a native plant for damp ground with creamy flower heads and a strong scent in warm weather. It’s a solid pick f...
View full detailsEriophorum russeolum is bronze cotton grass, grown for warm-toned cottony seed heads. It suits acidic bog gardens and looks best where the soil sta...
View full detailsCaltha leptosepala is white marsh marigold, a relative of the yellow species but with pale flowers. It blooms in spring in wet ground. Appearance I...
View full detailsCarex muskingumensis is palm sedge, sometimes sold as musk sedge. It’s grown for its layered leaves that stack along the stems and give a crisp, up...
View full detailsCaltha palustris 'Plena' is double marsh marigold. It keeps the same love of wet soil, but the flowers are fuller and more ruffled in early spring....
View full detailsAnemopsis californica is yerba mansa, sometimes sold as Apache beads. It’s a wetland plant from western North America that spreads into a low patch...
View full detailsAlisma lanceolatum is narrow-leaved water plantain, sometimes called mad-dog weed in older texts. It’s similar to Alisma plantago-aquatica but with...
View full detailsIris ensata 'Variegata' is a variegated Japanese iris grown for striped foliage and large summer flowers. It’s useful if you want interest even bef...
View full detailsIris ensata 'Fortune' is a Japanese iris with large early-summer flowers and strong clump growth. It suits bog gardens where the soil stays wet and...
View full detailsPontederia cordata 'Pink' is a pickerel weed with pink flower spikes in mid to late summer. It’s a proper pond-margin plant and it gives you flower...
View full detailsIsolepis cernua is the plant most people know as fibre optic plant. You may still see the old name Scirpus cernuus on labels. It’s a small marginal...
View full detailsIris ensata 'Angel Mountain' is a Japanese water iris with large summer flowers. It’s a good pick when you want pale blooms that still read well fr...
View full detailsIris louisiana 'Heather Stream' is a Louisiana iris bred for wet ground and bold flowers. It suits pond edges, bog gardens, and any spot with relia...
View full detailsPetasites japonicus var. giganteus is giant Japanese butterbur. It’s grown for huge leaves that give instant cover in damp ground. It’s ideal when ...
View full detailsIris 'Kimboshi' is sold as a tough yellow iris for wet ground and pond margins. Many plants in this group are linked with Iris pseudacorus, so you ...
View full detailsIris ensata 'Emotion' is a Japanese iris grown for large early summer flowers and neat fans of leaves. You may also see Japanese iris listed as Iri...
View full detailsHouttuynia cordata 'Flore Pleno' is a vigorous ground cover for wet soil, grown for heart-shaped leaves and double white flowers. It’s sometimes so...
View full detailsLysimachia thyrsiflora is tufted loosestrife, a wetland plant with yellow flower clusters that sit along upright stems. It’s a good summer bloomer ...
View full detailsPetasites hybridus is common butterbur, also called umbrella plant in garden talk. It’s a UK native that loves wet ground and makes very large leav...
View full detailsLittorella uniflora is shoreweed, a low plant for shallow water and wet sandy margins. It’s used in natural ponds and wildlife setups where you wan...
View full detailsPontederia lanceolata is giant pickerel weed, a taller, chunkier cousin of standard pickerel weed. It’s grown for upright leaf clumps and long blue...
View full detailsPeltandra undulata is green arrow arum, a North American marginal with glossy arrow-shaped leaves. It’s grown mainly for foliage, and it gives you ...
View full detailsMarginal 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.
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.
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.
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.
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.
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.
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