seasons

How do you tell when the seasons change? People are always saying "do X in X season" but I am struggling to really learn when they happen. For example I have read to bend junipers you do that in Fall. When in fall? I have heard early fall, and late fall. Ok, when are these? Is early fall...

Anyone in the northern hemisphere recently face a decision of any sort (based around the growing season) as to whether you might take a risk to achieve some desired result? I mean, it's still July, right? Nip that branch back and it'll still sprout some new options before end of season! Or...

Hello- I am wondering if this Chinese Elm is just losing its leaves because it is fall here in Chicago and has been a bit chilly recently, though the tree has been indoors. Or, is there something seriously wrong with it? The yellowing started a few days ago, maybe a week. The tree has always...