@Bhytes1 Black on black (decorator terminology) is severely shortening the space up. I would have kept the bannister cutout wall white or even another colour for pop. Olivia's suggestion for panelling would add a much needed change of texture Vertical thin slat panels in a pale grey wood.
@EdKrassen veggie mites. common sap suckin' vermin that will kill the plant eventually. Try diametretrous (spelling?) earth. Sprinkle over areas and around the ground by the stem. This special earth at a microscopic level is shards of sharp knives...