This was an interesting article! A discussion of effects of season change on trees and plants.
EarthSky Summer solstice: Could trees know when it is?
Do trees know when the summer solstice is?"People have been celebrating the summer solstice with elaborate rituals since prehistoric times. But humans aren’t the only species to mark the date. Studies are showing the summer solstice is an important cue for plants too."
"Recent studies, including one of my own, have proposed that trees may use the longest day of the year as a key marker for their growth and reproductive cycles. The solstice seems to act like a calendar reminder for trees." ...Snip
(More at link)
I’d believe it! I have a lot of Tree Friends - I’ll ask them if this is true. I’ll also ask the HUGE Maple in the front house yard if she could stop producing so many ‘copters for a change! ;)