Growing Wisdom through Organic Gardening will be held Tuesday, March 10, 7 pm at Taborspace, 5441 SE Belmont St. Gentiana Loeffler, Professor of Horticulture, Clackamas Community College, will share how to build soil to support healthy plants, use cover crops to add nutrients and conserve water and choose plant varieties that produce best in this region. Information at multnomahmastergardeners.org.