During a hail, rain, sleet, snow or storm event is the worst time to prune a tree. Trees tend to recover when proper pruning schedules are not followed since they must be pruned when pruning never has been done, when there is danger to the environment or to the tree or when the tree suffers from damage, death, decay or disease. Pruning during human-imposed or natural moisture events will increase the possibility of terminal cankers from cuts into wet wood and, in the case of lightning and proximity to power sources, the probability of animal and human casualties.
winter
Your English is incorrect, should read, "How do you prune an olive tree?"
early spring and late summer
The best time to prune an Olive Tree is soon after the fruit has been harvested when the tree is in a more dormant state. Here in Spain many trees are pruned at the same time as the fruit is being picked often with branches cut then shaken for the Olives.
To keep a maple tree small, prune it regularly by cutting back long branches and removing any unwanted growth. This will help maintain the tree's size and shape over time.
early spring and early autum
You can prune it but the symmetrical shape that makes it attractive will be wrecked. If you do prune only tip prune.
To properly prune an avocado tree, start by removing dead or damaged branches. Next, trim back any branches that are crossing or rubbing against each other. Additionally, prune to shape the tree and promote good air circulation. Avoid cutting back more than one-third of the tree's canopy at a time to prevent stress. Prune during the tree's dormant season for best results.
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.
The best time to replant a silk tree would be in late February or early March. You can prune the tree a few months before the move.
prune them
To effectively prune your indoor avocado tree for healthy growth and fruit production, focus on removing dead or damaged branches, thinning out crowded areas to improve air circulation, and shaping the tree to encourage a strong structure. Additionally, prune after the tree has finished fruiting and avoid cutting back more than one-third of the tree at a time to prevent stress.