Arlington County. The skylines of Arlington's Courthouse and Rosslyn neighborhoods, with the Georgetown and Downtown neighborhoods of Washington, D.C. immediately past them. The county accounts for most of Virginia's border with the District.
Watering and mowing alone will not make a healthy lawn. It must be fertilized. We have included a starter fertilizer in the mixture applied, but it is only sufficient to supply enough nutrients for about 30 to 45 days. It is important for the development of a healthy lawn that a fertilization program be started at this time.
Know When to Apply Fertilizer. To prevent fertilizer from washing into water bodies, itâs important to know the right time to fertilize. Follow these tips before fertilizing: Consider the time of year, climate, soil type and, most important, type of grass and health or condition of the lawn before applying fertilizer. Fertilize only when the grass is actively growing. For instance, during the winter, grass is dormant in many areas of Florida; therefore, fertilizer is not necessary.