If your ground is not naturally moist and acidic, then you can grow them in a large container filled with a peat based compost without lime or nutrients. Another solution would be to construct a sunken bed some 6-8 inches below the surrounding surface. The bed should be dug to about 2 feet deep, and back filled with a mixture of soil and peat. Water well with lime free water, such as rainwater collected in a rain barrel. After planting your cranberry plants at 12 spacing, cover the bed with about an inch of coarse, lime-free sand to prevent the peat drying out too quickly and to help the cranberry stems root into the ground. During late spring, apply an acidic plant food as instructed by the manufacturer.
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