Working interactively with a team of horticulturists, maintenance technicians, environmental service technicians, and horticulture administrators, the seasonal gardener’s responsibilities include all aspects of monitoring and caring for the High Line’s landscapes, including diverse plantings of herbaceous perennials, trees and shrubs, hardscape elements, and public use of the park. Assist year-round Horticulture staff with the tasks listed below: Daily maintenance of the assigned area, including weeding, planting, dividing and transplanting, pruning, grooming, cut-back, mulching and clean-up.