Abstract: Based on the "Intelligent vocational education cloud" for the course of cultivation and maintenance of landscape plant, guided by the implementation method of project-based teaching, the learning task teaching plan is designed, and the blended teaching is carried out. The three-dimensional target evaluation and value-added evaluation are designed according to the students' learning basis. Compared with the four rounds of courses offered in the past two years, the results show that , in terms of attainment of knowledge goals, students' learning outcomes is getting better and better with the increase of the number of courses; Ability to achieve goals through training operations, group contributions, job submission and reporting, innovation and entrepreneurship awareness; The attainment of quality goals should be dynamically adjusted and optimized according to the differences between different classes and the number of teaching rounds. In terms of value-added analysis, after one semester's study, 9 basic-compensated students can achieve the pass level in learning interest, self-confidence, expression ability, solidarity and cooperation, and the courage to assume the spirit; the 12 excellent-training students can achieve good levels in final scores, skill application, logical thinking ability, practical ability and innovation ability. Integrating three-dimensional target evaluation and value-added evaluation into blended teaching can better stimulate students' learning potential, improve students' learning effectiveness, and make curriculum scores more objective and scientific.

Key words: Cultivation and maintenance of landscape plant, Blended teaching model, Three dimensional targets evaluation, Value-added evaluation, "Intelligent vocational education cloud", Teaching efficiency