Green thumb is an expression used to describe a person who has a natural talent for gardening, plant care, and cultivation. However, there are various synonyms to replace this phrase such as plant whisperer, garden wizard, Horticulturist, botanist, cultivator, and horticulturalist. These alternative terms describe someone who has the right knowledge and skills to manage, nurture, and propagate plants to their fullest potential. Some other related phrases include avid gardener, plant enthusiast, and botanical hobbyist. These words paint a clear picture of a person who is passionate about plants, gardening, and nature, and who constantly endeavours to harness their abilities to sustain, grow, and beautify the green spaces around them.