Welcome to the KSL Greenhouse show! Join hosts Maria Shilaos and Taun Beddes as they talk about all things plants, tackle your toughest gardening questions, and offer tips that can help you maintain a beautiful yard. Listen on Saturdays from 8am to 11am at 102.7 FM, 1160 AM, kslnewsradio.com, or on the KSL NewsRadio app. Follow us on Facebook and Instagram at @kslgreenhouse. Happy planting! #KSLGreenhouse    10:05  Feature: Cutting Back Perennials and Annuals  10:20  Does Weed B-Gon lose its potency over time? Should older grass seed be thrown out? Is there an easy way to heat my greenhouse to keep the plants alive in the winter? Should I add eggshells in my compost? What are some suggestions for replacing railroad ties in my backyard? What organic remedy should I use to treat the rust-colored spots on my apple tree leaves? Will switching up my watering system harm my elm and pine trees?  10:35  What’s the best way to build a compost pile? What’s the best way to cover the branch cuts of my ash tree? When and how much should I trim back my wisteria? How do I get rid of voles in my lawn? How do I protect a branch propagated from a willow tree over the winter? Should I add nitrogen when I work leaves into the garden? How much can I cut back my Globe spruces? Should I spray the remainder of my Zauschneria with Roundup now or is it too late? When do I cut back knockout roses? How do I winterize my hydrangeas and butterfly bushes? Will the birds eat my sunflowers throughout the winter if I cut them down? When do I trim a maple tree? Is my boxwood hedge dying? Why am I still getting occasional mushrooms in my backyard? How do I wrap bent conical boxwood branches, and with what?  10:50  What’s the best way to plant a columnar oak acorn? How do I get rid of weed elm trees that keep sending up sprouts after I’ve dug out the tree stumps? How do I treat powdery mildew on my apple trees? Is there any way to feed my smaller Chanticleer pear trees to help them grow? Do I need to cut back my bridal wreath bushes and mock orange bushes? What kind of roses would be good for harvesting rose hips? What’s the best way to get rid of persistent Chinese elms that are sprouting consistently? Is it too cold now to use Roundup or Killzall one more time before it snows? Is there any way I can restrict the growth of my spiderwort plants?