The present invention relates to a cultivator for a flowering plant, and more particularly, to a cultivator for a flowering plant, in which a watering can supplies water to a flowerpot, as the flowerpot goes upward and the watering can goes downward with a supporting point as the center, when the weight of the flowerpot is decreased by vaporization of water in the flowerpot. According to the present invention, the flowerpot comprises: a support a drainage hole formed in the support the supporting point installed on the support the flowerpot installed on one side thereof with the supporting point as the center of gravity and the watering can installed on the other side thereof with the supporting point as the center of gravity.COPYRIGHT KIPO 2017본 발명은 화초재배기에 관한 것으로서, 보다 상세하게는 화분의 수분이 증발하면서 화분이 무게가 감소하면, 받침점을 중심으로 화분은 상승하고 물뿌리개는 하강함으로써, 물뿌리개가 화분에 물을 공급하는 화초재배기에 관한 것이다.