Aquatic plants in the garden pond – these are your favorites?

In recent years, decorative water features have become more common in both public landscapes and private gardens. Arranging them well requires skill and, above all, knowledge of specific aquatic plants. Plant selection is directly connected to water depth and placement, so a detailed planting plan is essential. Here is what to consider when you want to plant aquatic plants in the garden pond.

Features of Marsh and Aquatic Plants in the Garden Pond

The biological needs of aquatic and marsh plants are critical to their development. Some grow directly in the water, while others thrive close to it, so the right location and water depth are essential.
According to moisture requirements and planting zones, the following groups can be distinguished:
– Deep-water zone
– Rooted and free-floating plants
– Shallow-water zone
– Marsh zone
– Moist bank zone
– Dry bank

Aquatic Plants in the Garden Pond: Deep-Water Zone

This is the area where plants are partially or completely submerged. Ornamental species are usually less visible here because much of their growth remains below the water surface. Deep-water plants are important for the pond ecosystem: they help filter the water and provide food and shelter for aquatic life. Typical representatives include Carolina fanwort (Cabomba caroliniana) and Vallisneria americana, both valued for water filtration.

Carolina Fanwort

Vallisneria americana

Rooted Floating Plants

This group includes species whose roots are anchored in soil at the bottom while their leaves float on the surface. Plants are often set in special baskets lined with geotextile. The best time to plant them is late spring or early summer, although planting can be done throughout the growing season when necessary. Common representatives include lotus (Nelumbo), yellow floating heart (Nymphoides peltata), Australian water clover (Marsilea mutica), floating fern (Ceratopteris pteridoides), and other species that create varied vegetation on the water surface. The queen of this group is the water lily (Nymphaea). Its large leaves can provide welcome cover for fish in the pond. Water lilies need calm water, and most varieties require at least 4-6 hours of sunlight per day. Depending on the variety, flowers may open in the morning and close at sunset; colors include white, pink, and salmon pink, with some varieties resembling peonies.

Yellow Floating Heart

Plants floating freely

These aquatic plants grow without anchoring in soil. In favorable conditions, many species multiply rapidly and can cover large areas of water, so regular thinning is recommended. Typical free-floating aquatic plants include water hyacinth (Eichhornia crassipes), yellow pond lily (Nuphar lutea), Humboldt's floating heart (Nymphoides humboldtiana), water chestnut (Trapa natans), and others.

Aquatic plants in the pond garden: the shallow water zone

This zone extends to a depth of about 10-40 cm. The main stems and roots remain in shallow water, while ornamental leaves and shoots rise above the surface. It forms the transition between the deep-water area and marsh vegetation. Typical examples include sweet flag (Acorus calamus), broadleaf cattail (Typha latifolia), mare's-tail (Hippuris vulgaris), yellow flag iris (Iris pseudacorus), bogbean (Menyanthes trifoliata), flowering rush (Butomus umbellatus), and others.

Wetlands

A marsh zone is periodically flooded. In general, marsh plants do not grow very tall. Typical species include bog arum (Calla palustris), brooklime (Veronica beccabunga), Japanese iris (Iris laevigata), marsh marigold (Caltha palustris), cardinal flower (Lobelia cardinalis), water mint (Mentha aquatica), forget-me-not (Myosotis palustris), and similar plants.

Moist Bank Zone

This area has constantly moist soil and sits near the edge of the water. It creates a smooth transition between the pond and the rest of the garden. Depending on the composition, many plant species can grow there. If you want a mainly green impression, choose decorative foliage plants. If you prefer dynamic contrasts and pastel color, add flowering perennials and special forms. Suitable plants for wet soil include umbrella plant (Darmera peltata), meadowsweet (Filipendula purpurea), Ligularia, purple loosestrife (Lythrum salicaria), monkey flower (Mimulus luteus), pink primrose (Primula rosea), and others.

Loosestrife

Pink Primrose

Planting Aquatic Plants in the Garden Pond

Before planting aquatic plants, leave them in the water for a few days so the temperature can equalize. When planting marsh plants, follow a few basic rules. First, make sure there is enough light for normal development. Many ornamental aquatic plants can overwinter in water, but be careful with exotic species. Around the pond, choose low-maintenance perennials that can handle moist soil.