Write about a character who discovers they have the ability to make plants grow and thrive just by being in their presence

Write about a character who discovers they have the ability to make plants grow and thrive just by being in their presence. At first, they are amazed and excited by this newfound power, but soon they realize the responsibility that comes with it and the potential consequences if it falls into the wrong hands. How do they navigate this new ability and what challenges do they face as they try to protect and use it for good?