Standardization of plant species and growing medium for vertical garden system: A new urban horticulture concept

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Vertical gardens are becoming a common component in contemporary garden designs at urban living space because of shrinking land spaces. Successful growing of plants in vertical garden systems depends up on growing container, plants chosen, growing media, etc. Hence a study was carried out in the Department of Horticulture, Annamalai University, during the year 2013, with the objectives to study the influence of Coir pith, Stockosorb and Geohumus as components of growing media along with FYM, Vermicompost and Leaf mould compost on growth and performance of ornamental plants for establishment of vertical garden and to study the performance of ornamental plants Viz., Philodendron erubescens Cv. ‘Gold’, Chlorophytum comosum Cv. ‘Variegatum’ and Polyscias fruticosa plants in wooden containers for establishment of vertical garden. The experiment was laid out in Completely Randomized Design in wooden containers, with ten treatment combinations of various growing media mixtures comprising red soil, river sand as basic components in combination with organic manures (FYM, vermicompost, leaf mould compost, coir pith) and hydrogels (Stocksorb and Geohumus). The plant growth characters and ornamental value index were observed. Among the three ornamental plants used, Polyscias fruticosa and Philodendron erubescens are performed better as ornamental plants in vertical garden system with the growing media of Red soil : River sand : Vermicompost @ 1:1:1/2 + Stockosorb(25g).