An environment setting device that can finely set an environment of a facility for facility horticulture while reducing a burden on a user. An environment setting apparatus 100 for a facility X for horticulture, a graph display unit 110 for displaying a graph representing a change in the environment of the facility X on a screen, and data points representing a set value of the environment. , A data point operation unit 120 for inputting on the screen, and a graph creating means 133 for creating a graph representing the change in the environment by connecting adjacent points with line segments on the screen. [Selection] Figure 1【課題】ユーザの負担を軽減しつつ、施設園芸用の施設の環境を細かく設定できる環境設定装置を提供する。【解決手段】施設園芸用の施設Ｘの環境設定装置１００であって、施設Ｘの環境の変化を表すグラフを画面上に表示するグラフ表示部１１０と、環境の設定値を表すデータの点を、画面上に入力するデータ点操作部１２０と、画面上で、隣接する点同士を線分で結び、前記環境の変化を表すグラフを作成するグラフ作成手段１３３を備える。【選択図】図１
