Why do avocado plant leaves turn brown and fall off? Ballota pseudodictamnus or False dittany Care and Growing KEWAZO & BASF LIFTBOT at the world's largest chemical plant benefits of Tree plantation India NCC Why is the Century Plant taking forever to bloom? Agave Americana is monocarpic, meaning it blooms only once before it fades. The plant puts all its energy into producing this spectacular bloom.