You said:

the planting or trimming of hedges. "contract work for hedging and ditching" bushes and shrubs planted to form hedges. "dense shrubbery and tall hedging offers concealment"

into Japanese

植栽や生垣のトリミング。茂みや低木が「生け垣を埋め尽くすための契約作業」を行い、生け垣を形成しました。 「密な低木と高いヘッジは隠蔽を提供する」

Back into English

Planting and hedge trimming. Bushes and shrubs have done "contract work to fill up hedges" and formed hedges. "Dense shrubs and high hedges provide concealment"