Fertilize Lawn In Winter. In mild-winter climates, such as the deep South and southern California, cool-season grasses can grow throughout winter. Can you fertilise your lawn in Winter?.
The most conspicuous weed is likely to be Winter Grass.
For maximum appearance, fertilize your lawn about once every six to eight weeks during their active-growth period.
Most fertilizers need several waterings to soak into the soil, and allowing the fertilizer to sit on top of the lawn could burn the grass. However, keep your expectations in check: The goal of this late-fall feeding is to nourish the lawn for its winter hibernation, not to make it nice and green over the cold. Now, if you are a diehard do it No doubt about it, the companies you have hired to mow and fertilize, are often not as good as the companies that focus solely on lawn spraying and fertilization.