Pests of Impatiens and Nicotiana - Knowledgebase Question

Windsor, ON
Avatar for dlajoie
Question by dlajoie
July 2, 1998
We thought earwigs were attacking our plants and put down appropriate pesticide, but now it appears that something is eating our impatiens from the roots up totally destroying them. What could it be?

Answer from NGA
July 2, 1998
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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