Aphids are plant lice—soft-bodied, pear-shaped insects that are less than one-eighth-inch long and are most commonly green, yellow or black. If you see aphids on your plants, mix one-half cup of powdered milk with one quart of warm water and put the solution in a spray bottle. Spray the plants’ leaves thoroughly. As they dry, the aphids will die. And you have spared the air in your home from toxic chemicals.
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