By Jfoster
United Kingdom 
why do some of the leaves on Pittosporum bush (normally regualar greeen) turn yellow please? Its in the south of France and is on a watering system - do I need to feed it with something? - many thanks
3 Jun, 2010
yellowing leaves is a sign of mineral deficiency. water it with a teaspoon of epsom salts added to the watering can of water.
3 Jun, 2010