when do you fertilize azaleas
If a soil test reveals that nutrients are extremely low, fertilize azaleas in the spring or fall. Use a granular, slow-release fertilizer that is acid-forming and apply a very light scattering around the edge of the root zone of the plant.f a soil test reveals that nutrients are extremely low, fertilize azaleas in the spring or fall. Use a granular, slow-release fertilizer that is acid-forming and apply a very light scattering around the edge of the root zone of the plant.