When Is The Best Time To Water Plants Outside

Question

When its going to be hot

Answer 1

Most experts say in the morning, so the plants have time to dry out before evening, when fungal issues would be more likely to set in.

Daytime watering is inefficient because the evaporation rate is highest.

Late afternoon is OK if you don't get the foliage wet, which could lead to fungal problems.

Here is more:

https://www.gardeningknowhow.com/garden-how-to/watering/watering-garden.htm