The Incredible Secret Language of Plants
In the most recent study, conducted by a team at the Ben-Gurion University in Israel, pea plants have been found to alert each other to stressful situations. In the experiment the plants were placed close to each other, but not touching in any way. Some plants shared soil with those next to them, while others were completely separated. Next, a few of the plants were given drought like situations, while others were kept healthy and watered.
Full post: The Incredible Secret Language of Plants