New health and life for a dying Althea shrub. A Landscape consultant showed us how he restored a shrub which was dying from stress. After several sprays of MAXGreen Home & Garden Soap over two weeks, the plant pushed new leaves, After another four weeks of rehab sprays, it had exploded in new foliage. If you were to examine the rooting structure, you’d likely also see a profusion of healthy new roots as nutrient translocation improved.