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Pond planning 3/6:

Pond zones

A natural pond has different zones and, if planned properly, they guarantee an ideal climate for animals and plants. There are no limits for your personal creativity but the following rough calculation is recommended:

  • The bog area is a wide and flat area at the edge of the pond with a depth of 10 – 20 cm, a width of 30 cm and should account for approximately 1/3 of the pond surface area. The bog area offers a safe place for frogs to hide as well as a bathing and drinking area for birds and other small animals. There are several choices of decorative plants for this area including marsh marigolds or irises.
  • The bog area should merge gently into the shallow water zone which should have a depth of between 20 and 60 cm and a width of up to 50 cm. Shallow water plants can filter the nutrients from both the soil and the pond water and purple loosestrife and pickerel weed are ideal for this purpose.
  • Deep water zone: If you intend to keep fish, your deep water zone should cover approximately 2 square metres of the pond surface, starting at a depth of 60 cm but a minimum depth of 80 cm is necessary for the survival of your fish in winter. The deep water zone offers space for floating plants like water lilies or for rooted plants like arrowhead. Your pond pump should also be placed in the deep water zone.

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