Best offers for your Garden - https://amzn.to/2InnD0w --------------- How to Plant Longans. The longan tree (Dimocarpus longan) is subtropical and will only grow in regions with warm, humid summers and dry, cool winters. Technically, longans thrive in U.S. Department of Agriculture plant hardiness zones 10 through 12, which makes them intolerant of cold and heavy frost. The success of your longan tree, however,... Table of contents How to Plant Longans The Planting Site 00:52 The Hole 01:20 Planting the Longan 01:41 Post-Planting 02:25 Special Requirements 03:04 -----------------