Call the Master Gardener Telephone Hotline at 951-683-6491, Ext. 0. A trained Master Gardener is on hand Monday thru Friday from 9 AM - 12 Noon to answer your gardening questions. Visit the UC Cooperative Extension office and ask for a Master Gardener. Bring in any plant sample to help diagnose your garden problems. We are located at 21150 Box Springs Road in Moreno Valley, just off the 60 freeway.