Homemade Insecticide to Kill Bugs on Rose Bushes

Rose bushes may become infected with bugs, such as aphids. While you can buy insecticides at a nursery or garden section of a hardware store, you can also make your own. Use a combination of water and dish soap to kill the insects. The dish soap breaks down the bug's outer layer, which renders it helpless.

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Use homemade insecticide to kill the bugs on your roses.

Step 1

Measure 1 tbsp. of liquid dish soap into 1/2 gallon of warm water.

Step 2

Mix the soap and water mixture by swirling the bucket.

Step 3

Fill an empty spray bottle with the mixture.

Step 4

Spray on affected rose bushes, coating leaves, flowers and buds thoroughly. Spray in the early morning or evening to avoid burning the wet foliage in direct sunlight.