Fountains, Waterfalls, Bog Gardens and Aquatic Plants
Fountains and Waterfalls
These are easily made using modern pumps designed for underwater or pondside operation. The earth taken out for making a pool is often piled up to make ain which the above-mentioned rigid liners may be incorporated to make a series of lakes. The same pump will send water through a wide three-quarter-inch or more diameter hosepipe to the top of the rock garden. And emit a jet through a fountain either at the side or in the pool. One or both may be switched off either by physically turning off the fountain or the waterfall, or by cutting off the supply of electricity which powers the motor. If the motor is submerged the special cable to it may be conveniently sited under the paving slabs or stones round the pool. For those who dislike high-voltage cables in the garden there are systems involving transformers or low-powered batteries. Waterfalls should be constructed in such a way that they do not involve too much movement in the body of the pool, as not all plants like moving water, particularly water- .
If the pool is large enough, stepping stones of natural stone or concrete are a pleasant feature. Common-sense, however, must be used to make sure that they are safe to walk on and do not damage the plastic lining. Nothing looks better in water than stone statuary or ornamentation. The choice is wide, many ornaments including fountains or flowing water.
When constructing the pond allow a slight overlap at one point leading to a bog garden. It may be that in an irregularly shaped pool instead of trimming the plastic away it could be allowed to continue into the bog garden. In any case, the plastic should run down to a level of about eighteen inches below the surface and the resulting hollow filled with peaty, incorporating plenty of well matured manure or , over a layer of stones topped by inverted turves. It does not matter if the bog garden leaks a little: in fact it should, provided there is a moist sump into which water from the pool can overflow. Bog plants like moisture but they do not want to be drowned.
are best started in the pool in spring or early summer. They do not need anything but chopped up turf or loam. Compost, leaf-mould, manure, peat and sand might adversely affect the water. Plastic containers with perforated sides rather like baskets are obtainable from most water plant suppliers, and by stringing up the four corner holes, with two people, one on either side, suspending the container over the pool, it is possible to lower it at the deepest part of the water without accidents. The strings are then withdrawn. Or stout builder’s boards can be laid across the pool, this latter method being a way of retrieving containers from the pool as well. Plant firmly, ramming the soil around the roots to prevent it being washed away and cover the soil with a layer of clean gravel or pebbles. Check that you have the right depth of soil for the roots and the right depth of water for the plant.