Work a balanced fertilizer such as 8-8-8, 10-10-10, or 12-12-12 into garden soil at a rate of two pounds per hundred square feet. Later--early to mid-July--begin to use liquid fertilizer every three weeks (weekly for spreading petunias).
Welcome to Delaware County, PA! Your one-stop source for everything local in Delaware County  from photos to county history to the latest in Delaware County real estate, local businesses, entertainment, museums, shopping, guides, & much, much more... Named for the Delaware River, Delaware County is one of 67 counties in Pennsylvania. Delco, a fast-growing county located just southwest of the city of Philadelphia, has 49 unique municipalities with a total population of 558,979 (2010 census).
The Delaware River rises in two main branches that descend from the western flank of the Catskill Mountains in New York. The West Branch begins near Mount Jefferson in the Town of Jefferson in Schoharie County.