Description of Lycopus europaeus (Gypsywort)

Lycopus europaeus is gypsywort, a UK native for wet ground. It’s a quiet plant that does a good job in wildlife bog gardens, especially where you want natives that can handle damp shade and seasonal flooding.

Appearance

It makes upright square stems with toothed leaves. Small white flowers appear in clusters around the stems in summer. It often reaches 40 to 80cm and can form patches in wet soil.

Care Guide

It’s easy if the soil stays wet. It can look a bit plain in isolation, so it works best mixed through other planting.

Sun: Sun to part shade.
Soil: Wet soil or muddy margins.
Water: Boggy ground suits it. It copes with shallow margins too.
Control: Thin if it self-seeds or spreads into tighter planting.
Cut back: Cut down in late autumn or late winter.

It tends to naturalise rather than sit as a perfect clump, which suits wildlife-style planting.

Suitability for Bog Garden

This suits bog gardens where you want a native, low-fuss plant that supports insects. Use it around the edges of reeds and sedges, or in the middle layer behind ground covers.

It also fits well along ditch lines and damp hollows where water sits after rain.

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.

Lycopus europaeus (Gypsywort)

Description of Lycopus europaeus (Gypsywort)

Appearance

Care Guide

Suitability for Bog Garden

FAQs

Rated Excellent

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