Answer: There are a number of soil-dwelling grubs that may be responsible for eating the roots of your impatiens. Grubs are the larva of beetles, who love to lay their eggs in soil, weeds, or garden debris. Grubs eat roots and plant bases, so they can cripple or ruin plants without ever being detected. Try cultivating the soil frequently to expose grubs. Squash any you see. Direct sunshine, and native birds will take care of the rest. Be sure to turn the soil in the fall, to expose grubs to the elements.
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