I've never had luck growing poppies from seeds. Any advice with these varieties? : r gardening Purple Coneflower (Echinacea purpurea): Grow, Care, Design Black Chokeberry (Aronia melanocarpa): Uses & Care Guide Soil requirements for avocado production Soil is very important in avocado production because avocado trees have shallow and sensitive roots. Poor soil conditions cause weak growth, low yields, and serious diseases such Plant Doctor: AR App Kayden Sanden Kolheffer Common burdock Invasive Species Council of British Columbia