Established in 1988, Powell Gardens is a public garden, maintaining over 700 acres of lush, rolling hills and windswept meadows, with more than 175 acres and a large collection of plants open to the public for education, exploration, and recreation. Summary: The Events and Marketing Manager plays a key role in the success of Powell Gardens Colonial Farms by leading the planning, development, promotion, and execution of public, signature, and educational events throughout the year.