Southern Ag Chelated Citrus Nutritional Spray is applied directly to the foliage of the lemon tree. Point of run-off means applying until wet and just starting to drip off the leaves.
The product label does not indicate a certain time of day that is best to apply Southern Ag Chelated Citrus Nutritional Spray only that is most effective when applied between December and February up to the time flowering is completed. We would suggest contacting Southern Ag directly at info@southernag.com for more information.
Southern Ag Chelated Citrus Nutritional Spray is labeled safe for citrus as a foliar spray application and not a product that is mixed into the soil. Foliar Applications should be applied thoroughly to point of run off.