The gardens were designed to include low maintenance flowering perennials and
shrubs as well as a variety of native trees which would provide habitat for animals
and birds. All of the plants must be able to survive extremes of heat and cold and
alternating periods of drought and flood. Plants which did not have to be fertilized
or treated for disease or insect infestations were preferred as no insecticides or
fungicides are used in the gardens and natural compost is used for fertilizer.
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