Using covers for your garden can extend growing seasons â and thwart ravenous rodents, hungry birds and munching insects. On Thursday, March 11, the team of green-thumbed volunteers with Payson Community Garden discusses how and when to use garden covers during the 11 a.m. free online gardening webinar hosted by the University of Arizona Cooperative Extension Gila County. Topics during the one-hour presentation include the right timing to cover your crops, which materials have been most effective at the community garden, maintenance and troubleshooting. Payson Community Garden volunteers have learned so much over the years and share their experience and knowledge each Thursday during these ongoing â and popular â webinars.