By Lynne Adkins

PHILADELPHIA (CBS) — If you love the colors of autumn, you’re in luck. Mother Nature should put on quite a show this year.

The leaf colors should be rich and diverse, according to Anthony Aiello, director of horticulture and curator at Morris Arboretum in Chestnut Hill. He says it’s all in the weather.

READ MORE: Atlantic City Casinos, Union Workers Reach Tentative Agreement To Avoid Strike

“Good rain through the summer into September so the plants are well hydrated and not losing their leaves because of drought,” Aiello said. “And ideally you want that to shut off and have nice bright sunny days going into late September into October.

READ MORE: CBS3 Mysteries: Philadelphia Mother Makes Powerful Plea To Help Find James Walke's Killer

We still need those sunny days, but Aiello says the temperatures were mild this summer and that helps.

MORE NEWS: Philadelphia Police Increasing Patrols Ahead Of Fourth Of July Weekend

So look for abundant, vibrant leaf colors starting next month.