The best time for installing a stone walkway is typically in the spring or fall when the weather is mild and dry. This allows the stone to be properly laid and secured without the challenges of extreme heat, cold, or wet conditions.
In the spring, the ground has thawed and is ready for excavation and preparation. The mild temperatures and lower risk of rain make it an ideal time to work. In the fall, the cooler weather is less likely to interfere with the curing and settling of the stone. Avoid the summer months when high heat can cause the stones to expand and shift, and winter when frozen ground and snow can make the process more difficult.