This episode of Desert Horticulture examines the possibility that verticillium wilt could be responsible for live die back in Desert Willow. The second question asks about soil amendments added to soil mixes such as Rock Dust, vermiculite or perlite. What are the reasons for adding them and why not? The third question compares Desert Museum Palo Verde with crepe myrtle and how they differ when managing them in the landscape and why. All this and more on this episode of Desert Horticulture.