The Covid-19 pandemic has resulted consumers on having their own plants at home. This pandemic also altered their shopping behaviour on purchase the plants due to stay at home orders. This study aims based on three objectives, to determine and rank the consumer perceptions on plant purchasing amid Covid-19 pandemic in Kelantan, to measure and rank the consumer perceptions on plant purchasing amid Covid-19 pandemic towards the factors of attitude, subjective norm, and perceived behaviour control, and to analyze the relationships between attitude, subjective norm, and perceived behaviour control among consumer on plant purchasing amid Covid-19 pandemic in Kelantan. This study was conducted on 200 respondents of consumers from Kelantan area. Next, by using the Theory of Planned Behavior (TPB), this study applied a purposive sampling strategy through a questionnaire disseminated among Kelantan consumers. A statistical analysis was done using SPSS and EXCEL packages. The Relative Importance Index (R11) was used to investigate the consumer perceptions on plant purchasing amid Covid-19 pandemic and determine the most significant factors affecting consumer perceptions on plant purchasing amid Covid-19 pandemic. From the study, findings show the questions of the consumer perceptions were given very high effect ranked. The survey results revealed that the highest consumer perceptions on plant purchasing regarding RII% values respectively namely attitude (81.36%), perceived behaviour control (79.41%), and subjective norm (78.53%). Besides, it also shows a significant relationship between attitude, subjective norm, and perceived behaviour control among consumer perceptions on plant purchasing amid Covid-19 pandemic in Kelantan. Based upon these findings, this can help consumers on purchase plants.