Prolonging the life of your cut flowers begins the moment they're entrusted to your care. First off, make sure your vase is very clean and filled with fresh, lukewarm water mixed with flower nutrients. Next, strip off all leaves that will be below the water level of the vase and cut 2cm off all stems at a slight angle. Place the flowers in the vase, away from direct sunlight, radiators, draughts and fruit. Over the following days, be sure to remove any faded flowers and top up the water regularly.