Questions and Answers If you can help us with any of the following questions, or have a question of your own, please let us know. Pruning Stone FruitAvocado grafting techniques?When can citrus be budded?Why do oranges look quite green in the tropics?Can someone ID this strange fruit for me please?How are seedless grapes grown?Should a fig tree be fertilised in winter?Navel Orange QueryCan Hazel nuts be grown successfully in Adelaide?Why do grafted fruit trees bear fruit sooner than seedlings?How are Feijoas pollinated?What is the best time to graft Passionfruit?Bird deterrents?