Pond Plants: Types, Buying and Cutting

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Pond plants make a garden pond a real eye-catcher. Here you can find out what you should consider when buying, types and care.

pond with water lilies
With the right plants, your pond becomes a real eye-catcher [Photo: sl_photo/ Shutterstock.com]

A beautiful pond is often the centerpiece of the perfect garden. For some hobby gardeners, however, it quickly turns into a nightmare. We will show you in a few simple steps how you can prevent this and what you should consider when buying, types and care of pond plants.

contents

  • Pond plant species: an overview
  • Buy pond plants
  • Using pond plants: instructions and season
  • Pruning and caring for pond plants
  • Pond plants overwinter

Pond plant species: an overview

The most important point when planting a pond is - as so often - the right planning. When planning, make sure that your pond has an area of ​​at least 7 m2 owns. This makes it much easier to maintain biological balance. It is also important to ensure that you also plan the division into planting zones properly, since different plants have individual requirements for the respective water level. In the following four sub-chapters, we will go into more detail about these special requirements.

Pond plants for the riparian zone

All plants that like moisture, but cannot stand waterlogging and constant contact with water, are at home in the riparian zone. Here you should primarily use plants with high nutrient requirements, as they thrive best there. Irises (iris), cuckoo carnations (Silene flos-cuculi), fox orchid (Dactylorhiza fuchsii) and marsh ziest (Stachys palustris). These species are hardy and relatively undemanding in their care and fertilization.

Pond plant Stachys palustris with flowers
Marsh Ziest is perfect for edging your pond [Photo: Anna Gratys/ Shutterstock.com]

Pond plants for swamp and shallow water zones

The swamp zone is normally located at the edge of the pond and is between 0 and 10 cm deep. It flows smoothly into the somewhat deeper shallow water zone, which reaches a water depth of up to 30 cm. The two zones offer space for numerous plants and animals that - depending on their size - feel comfortable in a water depth of 10 to 30 cm. These plants have an important filter function that prevents algae from spreading too much. In order to integrate these two zones in the garden pond, you have to separate the areas from the deeper water zone. Marsh marigolds are particularly suitable for planting (Calla palustris).

Pond plants for the water zone

The water zone covers a depth of 40 to 100 cm and contains mainly water lilies (Nymphaea), water hyacinths (squirrel) or lotus (Nelumbo), as only plants with very long stems make it to the surface. These are an enrichment for every pond simply because of their beauty and growth.

Pond plants for the deep zone

The deep zone of a pond, which begins at 100 cm, is populated by underwater or floating plants, which have the important property of bringing oxygen into the pond. Among them are Hornblatt (Ceratophyllum), fir fronds (Hippuris vulgaris), buttercup (Ranunculus aquatilis) and water lettuce (Pistia stratiotes).

Ceratophyllum demersum in the water
The horn leaf brings oxygen to the pond [Photo: iljalahmanov/ Shutterstock.com]

Buy pond plants

When purchasing pond plants, pay particular attention to the time of year, as it is best to repot and plant them as soon as you receive them. Late spring is suitable here – as explained in more detail in the following chapter “Insert pond plants”.

It is best to go to your local nursery if they offer aquatic plants, as you can check the quality of the plants directly there. Pay attention to the roots and the condition of the leaves. These should look fresh and show no signs of disease or pests. If you are not sure after purchase whether one of your plants is affected by pests or diseases, do not use them under any circumstances. If in doubt, it is better to wait and see whether the signs become clearer.

If there is no dealer in your area, the online shops are natural agar and Pond plants pond construction highly recommended. Quality and price as well as delivery and service are good and reliable here.

Using pond plants: instructions and season

The ideal time of year to start planting or planting is late spring. Outside temperatures of 15 °C and more prevent damage to the pond liner, which can become brittle at low temperatures if the pond is not filled. Pond plants that are not hardy - such as the tropical lotus (Nelumbo) and species of swamp hibiscus (Hibiscus) – can now also be planted without hesitation. Ideally, you use plant baskets for this, which are filled with pond soil. This soil is high in clay and low in nutrients, which prevents algae growth. Once you have planted the plants, fill in a thin layer of gravel on top of the pond soil to prevent them from buoying up.

Garden pond in summer with lots of plants
Late spring is the best time to plant [Photo: JSvideos/ Shutterstock.com]

Place the plants in their respective positions before the pond is filled. If your pond is already filled or you want to bring new plants into the pond, we will give you two options below. If you're feeling adventurous, it's a good idea to invest in a good pair of wellies or fisherman's trousers. Alternatively, use a long pole with a hook at the end. Since plant baskets for pond plants are perforated, the hook should have approximately the same dimensions. Simply insert the hoe through one of the holes and test the weeding on land beforehand. With a little practice, you can easily place all of your plants in the designated locations.

Pruning and caring for pond plants

It is particularly important to add water to the pond during long periods of heat in summer. Rainwater from the cistern or tap water is best suited for this, as this takes on a cooling and aerating function. Don't forget to pay attention to the shore and edge zone, because these plants also have an increased water requirement in summer.

If strong plant growth occurs, simply cut back the respective plants generously and carefully remove the dead parts from the pond. If too much dead plant matter is left in the pond, sludge will form from the decaying plant matter. This ultimately leads to the pond becoming cloudy and increased algae formation.

Pond plants overwinter

If the temperature falls below 12° C, you should gradually stop feeding the fish and remove the non-hardy plants from the pond. To overwinter them frost-free, simply cut back the plants. Be sure to remove dead material to prevent disease. Store the plants in a tub or tub as they need their usual moisture. Hibernation should be in a cool, well-lit place, temperatures below 12°C are recommended.

water lilies in winter
Plants that are not hardy should be removed from the pond at temperatures below 12°C [Photo: Klaus Wagenhaeuser/ Shutterstock.com]

You should also skim and remove leaves and other organic material from the pond surface before the onset of winter. Then cut off reeds, cattails and other tall plants just above the waterline and remove this organic waste from the pond as well. This is important to ensure later gas exchange when the ice surface is closed and to prevent the pond from silting up. In any case, you should prevent the pond from completely freezing over, as otherwise fermentation gases can form under the surface.

Summary: Planting, caring for and overwintering pond plants

Finally, we provide a small checklist to make it easier for you to get started with pond care:

  • Insertion of new plants from an outside temperature of 15°C
  • Use only healthy seedlings
  • Regular pruning of vigorous plants
  • Dispose of dead organic material from the pond
  • Supply fresh water in summer
  • Remove non-hardy plants from the pond at low temperatures
  • Keep the pond free of ice in winter