When should I scalp my lawn to achieve the most visually appealing and healthy grass? Is there an optimal time during the growing season that is particularly advantageous for this type of maintenance? Could environmental conditions, such as temperature and humidity, significantly influence the timing of this practice? Furthermore, what specific indicators should I observe on my lawn to determine the right moment for scalping? Is it essential to factor in the type of grass and its growth patterns, or perhaps consider the local climate variations? How might the overall health of the lawn prior to scalping impact the effectiveness of this process? Could the presence of certain weeds or pests serve as a signal that scalping is overdue? Additionally, are there certain best practices that can be employed during this procedure to ensure minimal stress on the grass? What, if any, post-scalping care is crucial to foster optimal recovery for the lawn?