The following year we had the opposite problem: it was a super hot Summer.
So, as first tests, when it was hot: I carried out repeated treatments as my techician told me.
Weakly treatments, 10 days treatments, two-three treatments…according to what he was telling me Folliar applications, all folliar… And I saw the results on the crops.
both on aubergines, on cucumbers, and on tomatoes… all three crops didn’t suffer from heat stress.
This was important, very important!