Planting a garden in Pennsylvania can be a rewarding experience, but it’s important to know what zone you’re in before getting started. The United States Department of Agriculture (USDA) has divided the country into planting zones based on their average annual minimum temperatures. These zones help gardeners determine the best plants and crops to grow in their area. So, what zone is Pennsylvania in for planting? Let’s find out.
The Planting Zones of Pennsylvania
Pennsylvania is located in the northeastern part of the United States and has a diverse climate ranging from humid subtropical in the south to humid continental in the north. The state is divided into six planting zones, ranging from zone 5a in the northwestern part of the state to zone 7b in the southeastern part of the state.
Zone 5a
Zone 5a covers the northwestern part of Pennsylvania, including cities such as Erie and Bradford. This zone has an average annual minimum temperature of -20 to -15 degrees Fahrenheit and is suitable for growing cold-hardy plants such as peonies, daylilies, and blueberries.
Zone 5b
Zone 5b covers the central part of Pennsylvania, including cities such as State College and Altoona. This zone has an average annual minimum temperature of -15 to -10 degrees Fahrenheit and is suitable for growing cold-hardy plants such as apples, grapes, and raspberries.
Zone 6a
Zone 6a covers the northeastern part of Pennsylvania, including cities such as Scranton and Wilkes-Barre. This zone has an average annual minimum temperature of -10 to -5 degrees Fahrenheit and is suitable for growing a variety of plants such as tomatoes, peppers, and strawberries.
Zone 6b
Zone 6b covers the southeastern part of Pennsylvania, including cities such as Philadelphia and Allentown. This zone has an average annual minimum temperature of -5 to 0 degrees Fahrenheit and is suitable for growing a variety of plants such as beans, corn, and melons.
Zone 7a
Zone 7a covers the southern part of Pennsylvania, including cities such as Harrisburg and Lancaster. This zone has an average annual minimum temperature of 0 to 5 degrees Fahrenheit and is suitable for growing a variety of plants such as okra, sweet potatoes, and watermelon.
Zone 7b
Zone 7b covers the southeasternmost part of Pennsylvania, including cities such as Reading and West Chester. This zone has an average annual minimum temperature of 5 to 10 degrees Fahrenheit and is suitable for growing a variety of plants such as figs, pomegranates, and citrus fruits.
FAQs
What is the USDA Hardiness Zone Map?
The USDA Hardiness Zone Map is a map of the United States that divides the country into 13 planting zones based on their average annual minimum temperature. The map helps gardeners determine which plants and crops are suitable for their area.
What plants grow well in Pennsylvania?
Many plants and crops grow well in Pennsylvania, depending on the planting zone. Some popular plants and crops include tomatoes, peppers, blueberries, raspberries, apples, and strawberries.
Can I grow citrus fruits in Pennsylvania?
Yes, citrus fruits can be grown in the southeasternmost part of Pennsylvania, which is in planting zone 7b. However, they will need to be protected during the winter months to prevent damage from frost and freezing temperatures.
Conclusion
Knowing what zone Pennsylvania is in for planting is essential for any gardener looking to grow a successful garden. By understanding the planting zones and their average annual minimum temperatures, gardeners can choose the best plants and crops for their area. Whether you live in zone 5a or 7b, there are many plants and crops that can thrive in Pennsylvania’s diverse climate.