When do you prune a fig tree
What time of the year. The bottom limbs are on the ground.
Light pruning, can be done any time your saw is sharp.
Raising the canopy by removing lowest growth should not impact the tree physiology or structure much at all. You can do some light thinning and shaping also. Keep it to less than 20 to 25% maximum foliage removal is the rule of thumb for best managment practices. 10% is even better. Don