Srimad Bhagavatam Canto 10, Chapter 22, Text 30

SB 10.22.30

nidagharkatape tigme
 chayabhih svabhir atmanah
atapatrayitan viksya
 druman aha vrajaukasah
 
Translation: 
 
When the sun’s heat became intense, Lord Krsna saw that the trees were acting as umbrellas by shading Him, and thus He spoke as follows to His boyfriends.
Srimad Bhagavatam Canto 10, Chapter 22, Text 29
Srimad Bhagavatam Canto 10, Chapter 22, Text 31-32