Horticulture will change as the climate does
GARDENS are more than just yard decorations for the green-thumbed: they also express a worldview. As concern over climate change grows, environmentally sensitive gardens are becoming more popular. Many gardeners try to conserve water and avoid the use of pesticides, preferring instead biological controls, manual removal and companion planting, in which certain plants are grown next to each other to protect both from pests or diseases. Commendable as these measures are, they are only a beginning.
Gardens need not change in the way that a natural ecosystem must in response to climate change. With humans around to pluck out unwanted weeds and provide nutrition, garden plants are cosseted, and thrive in non-optimum conditions, because they are not subject to the struggle for existence that plants in the wild are.
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