early spring
Whict month of the year graft a cherry tree?
mid spring or after you pick the cherries
Your English is incorrect, should read, "How do you prune an olive tree?"
This tree can be pruned from mid-summer to fall, but before the first hard-freeze for your area.
May 2009 - Response to "If it's outside, prune it in the fall. " If you prune in the fall, you will very likely diminish the number of blooms you see in the Spring, as bud set up occurs the previous year. Fall is a good time to look over your tree and note where over lapping branches are located, where disease might be occurring, what you want to delete - if it is growing too close to a building or or is interfering with where you walk. In general, while the leaves are off in the fall, take a good look and plan for spring pruning after the flowers have bloomed. It will have leafed out by the time you get ready to prune, but if you already did an appraisal of what you wish to do to it, you should be ready to go. If it's outside, prune it in the fall. WRONG! prune in spring when the tree is no longer dormant, it will significantly reduce the chances of killing it
prune them
During the Winter.
Prune it after leaf fall. It depends why you want to prune it. Trees dont usually need pruned as it spoils their natural shape. If it has become too large for its space then cut it back but remember pruning causes more growth.
I would guess that the best time to prune the tree would be after any chance of frost is over, but before the tree blooms. Otherwise, you risk cutting off the young fruit and will have year of few or no grapefruit. Most citrus matures in November-December.
Dont trim it you will only encourage more growth. Either root prune it or give it a feed of potash after it flowers.
Prune it during the growing season. but dont cut off any fruiting wood unless you have to.