📚 Pennsylvania Month-by-Month Gardening: What to Do Each Month to Have A Beautiful Garden All Year
📚 The Timber Press Guide to Vegetable Gardening in the Northeast
Temperature climatic data from weather station: WILLOW GROVE NAS (USW00014793)
Precipitation climatic data from weather station: SPRING HOUSE 2 NE (USC00368388)
Agricultural climatic data from weather station: DOYLESTOWN AP (USW00054786)