“….experiment showed not only that plants can learn” by association — which is 
astounding in itself — but also how easily humans underestimate plants. “We are plant blind,”…. Monica Gagliano Ecologist University of Western Australia
There was a very interesting article written by Marta Zaraska in the May 2017 issue of Discover Magazine about the ongoing research on plant behaviors. Gagliano, and other researchers, are discovering how plants talk to each other, and not only do plants learn by association, but they remember and make decisions. They recognize family members, learn language from their parents, support other plants and warn each other. Some plants even count. They are “brainier than you think”!
Read the full article here….