The Washington County Master Gardener™ Association has an Education Garden at PCC Rock Creek, which is where HPSO is hosting PlantFest, our annual fall plant sale and featured lecture on Saturday, September 14, 2019. Just across from where the plant sale takes place, you’ll find the Education Garden, which was transformed from a one-third acre former gravel parking lot into a beautiful garden that serves as an outdoor classroom for education on sustainable gardening practices. The garden consists of over 700 plants and approximately 250 different varieties and is cared for by volunteer Master Gardeners. There are stations with detailed…