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Spot Test: Before applying any homemade spray broadly, test it on one or two leaves or a small portion of the plant. Wait 24 hours and check for signs of leaf burn or discoloration.
Repeat Applications: Natural sprays often require multiple applications for sustained effectiveness.
Avoid Direct Sunlight: If possible, apply in the early morning or late afternoon to reduce the chance of leaf burn from sun-exposed, wet leaves.
Recipe 1: Simple Soap Spray
Why It Works
A mild, soapy solution disrupts the insect’s outer layer, causing it to dehydrate. It’s effective against soft-bodied pests like aphids, spider mites, and mealybugs.
Ingredients
1 tablespoon mild liquid dish soap (preferably without heavy dyes or fragrances)
1 quart (about 1 liter) of water
Optional: 1 teaspoon vegetable oil (helps the solution stick to leaves and insects)
Instructions
Combine: In a spray bottle, mix dish soap with water. If adding oil, stir it in last.
Shake Gently: Ensure everything is well-blended but avoid creating excessive foam.
Apply: Spray directly on the affected plant leaves and stems, focusing on the underside where pests often hide.
Reapply: Use once or twice a week, or after rainfall if you’re treating outdoor plants.
Recipe 2: Garlic & Onion Spray
Why It Works
Garlic and onions release sulfur compounds that repel many common garden insects. The pungent aroma also discourages pests.
Ingredients
1 small onion, roughly chopped
1 head of garlic, peeled
2 cups water
Optional: 1 teaspoon cayenne pepper or chili flakes for extra potency
Instructions
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