Question
I have a newly planted October Glory (Maple). How often should I be watering it and the leaves (some) have brown spots. Should I apply a fungicide, if so which is best. Central Jersey location. (a bit of soil)

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Answer
Normal watering means that soil should be kept evenly moist and watered regularly, as conditions require. Most plants like 1 inch of water a week during the growing season, but take care not to over water. The first two years after a plant is installed, regular watering is important for establishment. The first year is critical. It is better to water once a week and water deeply, than to water frequently for a few minutes.
Leaf spots are caused by fungi or bacteria. Brown or black spots and patches may be either ragged or circular, with a water soaked or yellow-edged appearance. Insects, rain, dirty garden tools, or even people can help its spread.

Prevention and Control: Remove infected leaves when the plant is dry. Leaves that collect around the base of the plant should be raked up and disposed of. Avoid overhead irrigation if possible; water should be directed at soil level. For fungal leaf spots, use a recommended fungicide according to label directions. Check with your local nursery/garden type store for a fungicide for leaf spots.
Here are some of the common ones,
Spraying three times at two-week intervals with a copper fungicide (Hi-Yield Copper Fungicide, Ferti-lome Black Spot & Powdery Mildew Control) or mancozeb (Bonide Mancozeb Flowable, Southern Ag Dithane M-45, or Dragon Mancozeb Disease Control) starting when the leaves begin to unfurl in spring will provide control. Read and follow all directions on the label.