Typically, this occurs for two reasons: over-fertilization and over-pruning. It's best to fertilize in late January to early February when the tree is producing new growth. You may use a balanced 8-8-8 citrus fertilizer that contains nitrogen. As the water soaks in, add soil to any areas that have sunk in around the roots. But, do you fertilize the lawn surrounding the trees? Heavy applications of nitrogen will stimulate excessive growth at the expense of flower production.You say you do not fertilize the trees? It has quite a bit of fruit on it but it is all super green. Plant satsuma in spring, after danger of freezing has passed. The Satsuma orange tree, having completed its first flowering and fruiting cycle, will continue the cycle from induction to fruit growth for many years. A two year old tree can handle one to one and a half pounds of fertilizer.
If your tree is not self-pollinating, it … Fruit trees require pollination to be able to set fruit. Satsuma trees benefit from regular fertilizing. If planting the satsuma tree in the ground, site it on a south-facing sunny wall to absorb as much heat and sun in winter as possible. Fill the ring with water after you plant the Owari satsuma.
Over vigorous trees expend all their energy in growing wood and do not produce flower buds. Citrus trees need well-drained soil, consistent and deep watering and a regular application of citrus fertilizer throughout the year. Pollination. re: My satsuma tree did not bloom this year Posted by Downtown Devin Brown on 8/13/15 at 8:41 am to lsushelly I bought a house about 3 months ago and there is a satsuma tree in the backyard. Undoubtedly in the backyard situation the number one reason for failure of trees to bear fruit is improper tree vigor.