The problem to be solved is to provide a formulation, which is easy to prepare and use and that promotes the growth of the plant in a natural way without affecting the environment and soil. The present invention solves the above problem by providing an herbal formulation comprising a bioactive extracts of plant Polygonum hydropiper in 2.5 – 10 % w/v ratio an adjuvant in 2-5 % w/v ratio, and a solvent in q.s to 100%, for promoting plant growth including agricultural crops and flowering plants.
