Make your own citrus spray for aphids by combining the grated rind of….

2 lemons or 2 sour oranges and 1 quart water. Let mixture sit overnight. Strain through cheesecloth or coffee filter. Dilute concentrate with an equal amount of water before spraying onto plants. If mixture beads up on leaves, add 2 drops of dishwashing detergent per quart to help it spread and stick a little better.