The answer to 'when to fence' is that the best time to install a fence is typically in the spring or fall when the weather is mild and the ground is not frozen. This allows the fence posts to be easily installed and the soil to settle properly around them. However, fencing can be installed year-round as long as the ground is not too frozen or wet.
When deciding when to fence, it's important to consider the purpose of the fence, the type of material you'll be using, and any local building codes or HOA requirements. Fences can serve a variety of purposes, such as providing privacy, security, or defining property boundaries, and the ideal timing may vary depending on your specific needs.