The effects of pruning time and pruning strength on shoot growth and flowering in atemoya plants. Were studied. Eight-year-old trees were pruned in February, March, or April. Different pruning strengths were employed in March purning. It was found that the earlier pruning month the longer time between pruning and budbreak. The budbreak percentage decreased when 6 or 8 nodes were left unpruned. The length and diameter of new shoots were greatest in March pruned trees. The average length and diameter of new shoots grown on 2 nodes left unpruned were the greatest. Trees pruned in February or March had more flowers per shoot than those pruned in April. The number of flowers per shoot decreased when more nodes on a branch were left unpruned. There was no significant difference in flower size among all treatments. Pruning in March leaving no more than 4 nodes per branch is suitable for atemoya.