By following the good mowing practices previously listed, your lawn will quite adequately withstand the heatwaves. Nonetheless, to limit any signs of dehydration, here are some tips that will promote a dense and healthy lawn with a deep root system.

early in the morning;
1 to 2 times a week;
3 cm to 4 cm of water per week (for approx 1 hour);
while fully respecting municipal restrictions.