This novel concept in water gardens
is very refreshing! |
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Derek Fell's Dipping Pool
by Derek Fell, Cedaridge Farm, Pennsylvania
USA
Click images to enlarge
I had often wished for a swimming pool, but disliked the idea
of staring at an ugly expanse of fenced-in blue water glaring
at me like a blue tarp spread across the lawn. Therefore, I designed
a water feature to satisfy my desire to swim, provide the beauty
and sound of a gurgling stream, include a series of splashing
waterfalls, and support a colorful waterlily collection. This
I accomplished by creating a natural-looking pool with a swimming
zone, sufficient space for a waterlily and lotus collection and
a place to raise Japanese koi (Cyprinus carpio). I call
it my dipping pool because it looks like a small natural swimming
hole. Bordered by boulders, it resembles a rock pool you might
find along a mountain stream. |
I chose a site at the back of a barn that had once been a horse
paddock next to natural woodland composed mostly of evergreen,
juniper and oak. I had to cut down several undesirable trees;
once they were uprooted, a backhoe easily excavated the area. |
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My 12-foot (3.7 meter) diameter dipping pool does not allow space
to swim laps. However, I can submerge my body and float about
with my toes under the waterfalls, to cool off. The fish thrive
in a series of deep smaller pools meant strictly for paddling.
Without heating the water, I find it warm enough to use from
late April until mid-September. It certainly looks more attractive
than a conventional swimming pool, and it needs less maintenance
because the water runs year-round, re-circulated through a filter
to keep it clear. When evaporation lowers the water level, I
top it off with water from a nearby independent well. The system
includes a couple of floating de-icers that automatically prevent
ice from covering the entire surface during the coldest winter
weather. |
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Remarkably,
the whole installation of waterfalls, dipping pool, and natural-looking
rocky streams feeding into it took only two days of construction
by water garden specialist Aquascape Designs of Batavia, Illinois
(USA). They polished up my original design and did the installation.
After that, it took another two days of planting to make it look
as if it had been there forever. They hired a local contractor
for earth-moving and for installing boulders, waterproof flexible
liners, pumps, filters and other paraphernalia to make everything
rather carefree and virtually maintenance-free year round. They
also selected the boulders from local stone yards to match my
rough sketch. These include huge flanking stones to create the
height of the waterfall, facing stones for the sheets of water
to cascade down and edging stones to hold back soil. We used
magnificent boulders to direct the water flow to left and right
like a natural rocky stream, smooth pebbles to form beaches,
observation stones from which to admire the falls, and stepping
stones for crossing the streams.
The project required two rolls of 35 ft. liner; 45 tons of boulders,
rock and gravel (some of the flanking stones weigh over two tons
each); a 10,000 gph pump, a 7,500 gph pump and a 4,500 gph pump
to re-circulate water to a grand waterfall, a smaller waterfall,
and an independent stream with cascades and an island. The system
includes three skimmers and a bog filtration system. |
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Of course, spring, summer and autumn are wonderful seasons for
water features because of the procession of enjoyable color that
they display. Moreover, I thoroughly enjoy my dipping pool in
winter even though the water is too cold to take a dip. Ice forms
on the waterfalls and blankets of snow periodically accentuate
the rock ledges and make it a Christmas card scene. Sometimes
I sit facing it for hours mesmerized by the tranquility of a
fresh fall of snow, soothed by the thundering sound of the waterfalls
and the murmuring sound of the water as it gushes along the streams. |
Though the water feature looks decorative in its own right,
initially embellished with ornamental grasses and water irises
to make it look part of the natural landscape, subsequent plantings
of trees and shrubs produce a lush, wilderness effect. For example,
I obtained from a local tree nursery three large weeping white
pines and a weeping spruce to form a background curtain of evergreen
leaves. I have also strategically planted creeping ground cover
plants like 'Blue Rug' juniper, dragon's blood Sedum,
many kinds of Hosta, and a bronze-leaf bugleweed (Ajuga
reptans) to crawl over boulders and soften their hard lines.
However,
predominantly around the pool, are mostly plants with golden
or yellow leaves. This includes gold variegated Yucca,
golden creeping Euonymus, and 'Bowles Golden' grass (Carex
elata). A type of hardy perennial sedge grass, it grows with
its roots permanently submerged in shallow water. These not only
contrast well with the dark greens of indigenous oak and juniper
trees in the background, but also help to create exquisite golden
water reflections, for in all of nature there are few more uplifting
sights than golden leaves reflected in company with a blue-sky
reflection.
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The Impressionist painter, Claude Monet, alerted the world
to the charm of a pond with plantings deliberately placed to
create sensational water reflections. Toward the end of his life,
it was the pond surface that he most liked to paint. What he
accomplished with paint, I emulate with photography.
My dipping pool not only has high, well-drained areas for
planting trees and shrubs, but also several low boggy areas for
bog-loving plants like Japanese Primula and ostrich ferns.
I also have a collection of bog-loving insectivorous plants like
pitcher plants and sundews. |
Along
the feeder stream, there is a colony of watercress for harvesting
fresh edible greens year round, and the tree plantings include
a grove of 'Heritage' river birch with decorative, honey-colored,
flaking bark. I have also planted around the pool a group of
a dozen winterberry shrubs, a favorite winter food of bluebirds,
plus azaleas and Rhododendrons that love the environment
of a pool, and drifts of daffodils that have naturalized freely
for flowering early in the season. Strategically placed Japanese
thread-leaf maples extend their fleecy branches to the water's
edge and ensure vibrant orange leaf coloration in fall in harmony
with the amber blades of the ornamental grasses.
A nature trail surrounds the entire area, with wood chip paths
winding in and out of adjacent woodland, with a small bridge
to cross a boggy section. Thriving already are colonies of Virginia
bluebells, Trillium, English primroses and blue woodland
Phlox. |
Cedaridge Farm has a number of theme areas, including a vegetable
garden, herb garden, sunny perennial borders, a rock garden,
patio garden and orchard, but nothing gives me more pleasure
than to come home from the office, put on a snorkel mask and
dive beneath my pool to observe my collection of koi under water.
They are friendly fish, and will feed right out of my hand. They
also like to play a game of tag - swimming up to me then darting
off when I try to touch them. Even if I do manage to touch them,
they immediately swim back and look at me as if to say, "Try
that again!" |
Renowned garden writer and photographer
Derek Fell's
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