Gardening experts have issued a warning about how to handle peace lilies when using the central heating this winter. With temperatures continuing to plummet, it has become more and more tempting to crank the heating up. However, central heating can cause damage to certain plants, according to experts. The team at RHS gardening stressed that peace lilies must be kept away from boiling radiators and cold draughts. Peace lilies thrive in humid environments which is why they don't flourish around