Rock Garden Pond Edging Installation
rock garden pond will make a beautiful and natural addition to your
backyard landscape. Edging ponds with boulders and rocks is probably
best suited for informal water garden designs or possibly even
Keep it natural
In nature boulders are usually partially
buried, so you need to incorporate this into your plan for a more
natural look. Varying the size of the rocks and boulders will also add
to the natural appearance.
Choose the right material
Try to choose boulders and rocks that compliment your existing
landscape. Also, it is best to avoid loose crumbly rocks. Not only are
they unstable, but they may also leach harmful minerals into your water
garden which may be dangerous to your fish and plants.
Make it structually sound
It is important to provide support for heavy stones. This can be done
by adding a bed of cement for larger boulders to rest on. This is
especially important in loose, sandy soil.
Also be very careful when using heavy stones with pre-formed pond
liners, as they can very easily buckle and warp. If you want to create a rock garden pond with a pre-formaed pond liner it may be best
to set the liner in concrete.
Plan ahead for pumps, filters and waterfalls
When installing your edging, please keep in mind any additonall water
features you plan to incorporate. Make allowances for filter or pump
hoses and electical cords. You should also have any streams and
waterfalls mapped out and accounted for before installing your stone
If you are planning to add underwater lighting to your water garden,
this too should be taken into consideration before installation.
Create a bog area (optional)
One option to consider if using a flexible pond liner is to create a
bog area for marginal plants. Allow for extra liner past the boulder
and create a hollowed out area before raising the sides of the liner
Simply fill the area with soil and plant marginals like horse tail
there. The rocks and boulders will help contain the soil from entering
the pond, but the gaps between the rocks will allow water into the bog
area, keeping the soil saturated.
If there are large gaps, use smaller rocks to fill them in a bit.
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