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The use of different growing media offers a valuable alternative to the conventional use of soil for quality flower production due to their good water holding capacity, aeration and nutrient status. The experiment was conducted in a Completely Randomised Design with three replications in the years 2021–2022 to study the influence of different compositions of growing media [Soil, Sand, Vermicompost, Cocopeat, Vermiculite, Perlite and Leaf mould] in different ratios on the growth and development of pot mum (Chrysanthemum morifolium Ramat.).The growing media compositions of cocopeat, vermicompost and leaf moulds improve the water retention and aeration of media. The results revealed vegetative growth with maximum plant height at first bud appearance, plant height at harvesting stage, number of primary branches per plant, number of secondary branches per plant, number of leaves per plant, leaf biomass, average fresh weight of leaf, dry weight of root and flowering parameters with maximum flower longevity, flower diameter, number of flowers per plant, number of ray florets, average fresh weight of flower, flower yield per plant and vase life of flower in case of media composition of Cocopeat + Vermicompost + Leaf mould (2:1:1) among all the growing media compositions. The combination of cocopeat with vermicompost and leaf mould (2:1:1 v/v/v) was found best for lighter media weight, better plant morphological development and sustained quality flower production of pot mum. [ABSTRACT FROM AUTHOR]