Watering after you fertilize washes off the grass leaves. Remember to always apply fertilizer carefully. Spills will leave brown burn spots even if you water. Fertilizing when your lawn is dry and the weather is cool will also reduce the chance of fertilizer burn.Should you fertilize before or after heavy rain?
The Best Time to Fertilize. Watering afterward may be the best solution, at least from an environmental standpoint. Even though heavy rainfall may be great for fertilizing your own lawn or garden, it's not ideal for the environment. This is because fertilizing before heavy rainfall will be contributing to water pollution to some degree.Should I fertilize before heavy rain?
Pros and Cons of Fertilizing Before Heavy Rain. One reason that homeowners may want to fertilize the lawn before a heavy rainfall is because they want the fertilizer to be watered into the ground well. Lawns need nitrogen in order to grow healthily, and a heavy rainfall would ensure that the lawn gets that necessary amount of nitrogen. However,...Is it OK to fertilize after rain?
Pros and Cons of Fertilizing After Heavy Rain. Gardeners may choose fertilize after heavy rainfall because it will help increase the effectiveness of the fertilizer in the lawn or garden. It will also help reduce the chances of the fertilizer running off into water systems and polluting it.