An "Introduction to Square-Foot Gardening" will be offered from 12:30 p.m. to 2 p.m. Tuesday, Feb. 28, at the Pascal Senior Activity Center, 125 Dorsey Road in Glen Burnie. Students will learn the "10 Basics of Square-Foot Gardening," a small-space, high-yield method using raised beds and a soil-less growing medium. Extending your growing season, protecting your crops from cold and critters, making a square-foot garden for those with limited mobility and vertical gardening are among the topics to be discussed. The cost is $20 and includes materials. For registration or information, call 410-222-6680.