Leaf removal becomes a continuation of the scheduled maintenance when the leaves begin to fall in mid October. By early November, we begin in earnest doing clean ups and will visit your property two additional times before mid December, once for the early drop, and then again for those trees like oak that hang on.Leaf removal becomes a continuation of the scheduled maintenance when the leaves begin to fall in mid October. By early November, we begin in earnest doing clean ups and will visit your property two additional times before mid December, once for the early drop, and then again for those trees like oak that hang on.