Plants of the seasonal world face constant change. They use use strategy, deception and feats of engineering to survive. Most importantly, they must get their timing right.

Desert plants spend decades in suspended animation waiting for rain, or they travel to find it. They survive using weapons, camouflage and surprising alliances with animals.

Two out of five wild plants are threatened with extinction. Today people are finding remarkable ways to help them, and so make our world a little greener and a little wilder.