A planting container 1 having a water storage unit 8 capable of storing planting water, a water-absorbing plant flooring installed in the water storage unit 8, and a water supply means 30 for supplying the water for planting W to the water storage unit 8； And an overflow pipe 10 for draining the planting water W exceeding a predetermined height is provided in the water storage unit 8, and has a drainage capacity below the water supply speed of the water supply means 30 on the bottom surface of the water storage unit 8. The provided drain part 20a is provided.植栽用水を貯留可能な貯水部８を備えた植栽容器１と、貯水部８に設置された吸水性の植栽床材と、貯水部８に植栽用水Ｗを供給する給水手段３０とを備え、所定高さを超える植栽用水Ｗを排水するオーバーフロー管１０が貯水部８に設けてある植栽装置であって、貯水部８の底面に給水手段３０の給水速度を下回る排水能力を備えたドレン部２０ａが設けられている。
