Come to Berkshire Botanic Garden on Sunday, October 22 for an eye-opening presentation on year-round gardening. Learn how to extend the season’s harvest and enjoy your own garden greens throughout the late fall and early spring months with farmer/educator Pete Salinetti. Consider growing under cover and learn techniques needed to achieve a true four-season harvest. Investigate a variety of structures, crop selection, no-till soil preparation, timing, planting, cultivation and harvesting, with a focus on early and late-season production. Cost: $85. Register online at http://berkshirebotanical.org/, or call 413-298-3926.