How do you mix neem oil and water for plants?
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Mix the neem oil at the rate of 2 tablespoons (1 ounce) per gallon of water. Mix the solution thoroughly. Spray all plant surfaces (including undersides of leaves) until completely wet.
Considering this, how do you mix neem oil for plants?
Mix 1 tsp of neem oil and 1/2 tsp of liquid dish soap to 1 quart of water, or 4 tsp of neem oil and 2 tsp of liquid dish soap to 1 gallon of water. Shake well. (Neem oil mixes easier with warm water.) Spray the diluted solution generously on all leaf surfaces.
Then, does neem oil mix with water?
Since neem oil does not readily mix with water, you'll need to use an emulsifier like a mild liquid soap.
The half-life of azadirachtin in soil ranges from 3 - 44 days. In water, the half-life ranges from 48 minutes to 4 days. It also rapidly breaks down on plant leaves; the half-life if 1 - 2.5 days. The remaining components of neem oil are broken down by microbes in most soil and water environments.