[Objective] The effects on the growth of Macadamia ternifolia F. Muell. under the condition of frost climate were studied in order to provide theoretical basis for the macadamia industry development through the investigation and analysis of macadamia nut on cold injury and recovery. [Method] The cold injury was divided into degree of level 6,and was tracked to grade 4 harm. [Result] Macadamia ternifolia seedlings suffered rate was 99. 5%,and mortality rate was 1. 9%. The leaf grew slowly above ground diamet...