Yellow Mushroom with Potted Jade Plant The Backyard Arthropod Project Leucocoprinus birnbaumii, aka Lepiota lutea, the yellow houseplant or house plant soil mushroom, Tom Volk's Fungus of the Month for February 2002, Squash bed. Butternut, zucchini, and yellow squash. I also have a random baby avocado tree coming up with some borage and marigolds as companion plants. Butternut plants will be trellised up my DIY GE Grow Light for Plants, T8 LED Tube Light Bulb Fix for Seeds and Greens, 36 Cold frames MissingHenryMitchell 20" H Weathered Concrete Tall Planter, Black Large Outdoor Indoor Deco Wallowa Design