To provide a plant disease inhibitory composition for agricultural and horticultural use that contains natural materials as an active ingredient, and a method for culturing agricultural and horticultural plants using the same.SOLUTION: The present invention provides a plant disease inhibitory composition for agricultural and horticultural use that contains Bacillus bacteria as an active ingredient; and a method for culturing agricultural and horticultural plants that includes treating cultivation soil of agricultural and horticultural plants with the composition.SELECTED DRAWING: None【課題】天然由来物質を有効成分とする農園芸用植物病害抑制組成物、及びそれを使用した農園芸用植物の栽培方法を提供する。【解決手段】バチルス属細菌を有効成分として含有する農園芸植物病害抑制組成物、及びその組成物で農園芸植物の栽培土壌を処理することを特徴とする農園芸植物の栽培方法。【選択図】なし