I believe we all need plants to survive. Each plant is composed of its own unique properties. They purify the air and excrete gases which are necessary and beneficial for the function and survival of many things.
i think its probably my humble lawn, so grass - its good to sit on, play on, for the dogs to use etc etc and gives the biggest blast of green colour all year round and often when you go abroad they do have some magnificent flowers but its the english lawns they lack which make me think if i was ever to live somewhere hot and sunny its my english lawn and garden i would most miss