You can use flour to stop grasshoppers and other chewing insects from eating your plants. Here’s how:

• Place all-purpose flour in a garden duster or saltshaker.
• Jiggle the plants to get the insects moving, then dust the insects and the leaves of the plant with the flour.
• After two days, rinse the flour off of the plants using a fine spray from a hose to keep from harming plants.

The best time to dust the plants is in the morning while the plants are damp with dew. Do not use self-rising flour. The salts in this type of flour may damage your plants and they aren’t good for the soil.

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