Compared to past days when you had to proportionally mix with the Neem oil emulsifier, is the last few years common form as a ready mix a real relief, but now you have even more to the right temperatures eighth. At temperatures below 2o ° oil flocculates namely. Neem oil is a real panacea, since it prevents the propagation of harmful insects and so restrains the infestation slowly. In susceptible plants, I would prepare any spray mixture, but rather pour in the correct dilution. A twice casting is usually sufficient. Niem also helps against various fungi in the plant soil. Some people find the natural smell pleasant, I would disagree somewhat.