Assesses plant growth and soil quality with wastewater irrigation, suggesting sustainable urban gardening practices.
Amid rising air pollution and urban disconnection from nature, potted plants enhance urban living by improving aesthetics, reducing indoor pollutants, regulating humidity and supporting mental well‐being. With growing freshwater demand for non‐essential uses like landscape irrigation, sustainable reuse of domestic wastewater offers an effective alternative, especially for non‐edible ornamental plants. This study assessed irrigating four ornamental foliage species— Cissus rhombifolia (grape ivy), Plectranthus amboinicus (Cuban oregano), Crassula ovata (jade plant) and Coleus scutellarioides (coleus)—by evaluating morphological, physio‐biochemical and soil properties in a 2‐year pot experiment. Kitchen wastewater (KWW) enhanced plant performance across multiple indicators compared to groundwater (GW), with treated wastewater (TWW) showing intermediate benefits. Grape ivy, oregano and jade plant adapted best under KWW, whereas coleus performed best with GW. Enhanced physiological responses under KWW and TWW reflected nutrient‐driven stimulation without toxicity, supported by improved soil fertility and safe pollution indices, confirming sustainable reuse for irrigation.
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MADHAVI et al. (2026) studied this question.
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