Scale have a protective dome that shields them from most sprays, which is why physical removal is highly effective., , My big Monstera got infested with scale so here's my initial treatment:, , 1) In Monsters Inc. (2001), the monster who gets caught with a sock on his back (George Sanderson) is one of the same monsters in Monsters University (2013) that, instead of learning how Ponytail Palm Propagation: Step by Step Guide with Real Results Ground Cherry: Pineapple Are snake plants toxic to dogs? HappySprout Rhaphidophora Tetrasperma Variegated Mini Monstera 6" Mother Plant