Question
i have young citrus trees in my yard, my question is, do they need to be pruned?

Answer
Apart from removing suckers and shoots from the rootstock and trunk, there is no need to prune the tree until the dead wood has to be removed. The citrus tree is self-shaping but in time the shaded inside twigs and limbs should be removed to open the centre and reduce the risk of fungal diseases like melanose.

Cut out all dead or diseased wood cleanly; don抰 leave stubs.
Remove crowded or crossed-over branches.
Prune in the spring when the danger of frosts is over