Garden Myths Not Worth Repeating
Myths, old wives tales, and folklores abound even in the world of gardening. Gardening lore often gets passed from neighbour to neighbour as homegrown tips based on little or no scientific research. The myths start out as common sense conclusions and keep getting perpetuated time after time. Pretty soon they are part of the global gardening consciousness and they are believed to be true. Once this happens it is almost impossible to undo the belief. The poinsettia poison myth is still being trounced after eighty years. Well, here’s my attempt to dispel some popular garden myths.
Myth: Botanical “natural” pesticides are toxic to pests and harmless to other living things (including gardeners). Not true, in fact some botanical pesticides that are derived from poisonous plants are even more toxic than commercially prepared ones. Both pyrethrum (made from Chrysanthemum cinerariaefolium) and rotenone (made from two tropical
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