Lowe's Orange Sun Star House Plant in 1.25 Quart Pot NURSERY at Lowes.com The 10 most expensive houseplants in the world (or almost) TREE PHILODENDRON Philodendron selloum in Mount Holly Springs, PA THE WHIMSICAL POPPY If your plant is struggling, the roots will tell you why Don't guess, check below the soil. Healthy roots should be firm and light colored. If you see mushy, dark, or smelly