The purpose of this study was to determine the effects of green purchasing strategies on sustainable supply chain performance at Unilever Tea Kenya Limited. The general objective of the study was to analyze the effects of green purchasing strategies on sustainable supply chain performance at Unilever Tea Kenya Limited. Environmental compliance, systems development and implementation, integration into core corporate function and total quality approach were identified as the key variables that guided the study. The target population was (120) from which a sample size of (92) was arrived at. The instrument for data collection was a questionnaire sent out to supply chain departments at Unilever Tea Kenya Limited through stratified random sampling. Data was analyzed using both descriptive statistics (mean, frequencies, percentages and standard deviation) and inferential statistics (Pearson correlation). After correlation tests were run, all four hypotheses were rejected and the alternative hypotheses accepted. The study established that environmental compliance, systems development and implementation, integration into core corporate function and total quality approach affects sustainable supply chain performance. The study recommended that more organizations especially in developing countries like Kenya could adopt and fully implement green purchasing strategies when sourcing for goods or services. The study further suggests for similar studies in other tea buying companies in Kenya which are in the process of implementing green business practices.