What exactly causes a plant to flower? We do not yet have a complete answer to that question, but we do know a great deal about the mechanisms that trigger the response.

Plague. The word conjures up visions of rats crawling with fleas ready to leap on unsuspecting humans to infect them with the deadly plague bacteria yersinia pestis.

Rock wool, a lightweight hydroponic substrate is made from spinning molten basaltic rock into fine fibres which are then formed into a range of cubes, bloc