At 1:30 today, the air temperature was 100.7 with a previous (today) high of 102 in western Ohio.
By 4:30 the temp had gone up to a high of 103.
Now, at 6 PM the temp is still over 100 degrees.
The prolonged exposure to temperature over 100 degrees must have a devastating effect on plant life.
I water the garden, sometimes every day and at least every other day. I water the perennials on the same schedule. The garden and the perennials would have been long dead with out the watering.