Valley View Farms in Cockeysville

Saturday, 9 a.m.: Plants for Purgatory - Jimmy Turner, from the Dallas Arboretum, coined the above title while talking about plants that thrive in summer's heat and arid conditions. While the humans survived last year's 54 days over 90 degrees, some of the plants weren't so lucky. Learn which annuals and perennials can handle Maryland's hot summers. A slide presentation will include photos of the Dallas Arboretum gardens as well as the plant trials held in nearby Lancaster, PA

11 a.m.: Do-it-Yourself Irrigation and Watering Systems - Learn how to install a drip-irrigation watering system for your gardens and containers. The staff will explain how the rain drip irrigation systems work, relieving gardeners of watering by hand day-in and day-out. The garden shop will also show gardeners how to properly use timers, soaker hoses and other watering accessories.

Mt. Cuba Center in Greenville, DE

Mt. Cuba Center is offering summer twilight tours on Wednesdays and Thursdays at 5:30 through July 28. In the cool of late afternoon, take a stroll around the garden ponds and babbling brook. Relax, refresh, and rejuvenate as you enjoy the lilies, azaleas, coneflowers, and coreopsis. If conditions are right, birds will serenade you as they perch on the tulip poplar canopy.  The cost is $5 and you can reserve a spot by visiting the Mt. Cuba website.