While temperatures vary by location and year late March or early April is usually the right time. Select a planting site offering enough space for the tree which can. Raining On The Satsuma Trees Saferbrowser Yahoo Image Search Results Growing Citrus Citrus Trees Citrus Tree Indoor Satsuma orange Citrus reticulata is also called the mandarin orange. How to plant a satsuma tree . Remember to remove the mound from the base of the plant by mid-March. Plant satsuma in spring after danger of freezing has passed. Commercial trunk wraps may also provide some cold protection. Plant the satsuma near a building or protective wall preferably on a south-facing side to protect it from wind. Rootstocks are often around 3 years old already when you buy one so they need less time to start producing fruit. 06 but rarely present. Dig a hole three times larger than the root ball of the tree. Therefore you can look for a good nursery and make sure the sapling is well watered and fed....