Not sure, maybe to reduce water evaporation or something. I’m down in Texas so we are already hitting 80-90. Overnight of 70 or so.
Discussion
Yeah maybe. I just looked it up trying to find why it closes leaves. I didn't find anything, but found this is my type of tree. Weedy pioneer tree that can be used for fodder, food, and biomass.
Our highs have been around 70 here in Michigan with lows near 40