What Plants Grow Well In 16422?
The USDA hardiness zone is 6a in the 16422 zip code. This zone is a measure of the lowest temperature that a plant can survive, and helps determine what plants would grow best in the area's climate. Below you'll find a list of the best plants for 16422's climate based on this hardiness zone.
Learn more about climate conditions on our page for Harmonsburg's plant hardiness zone.
You can also look up the USDA growing zone for 16422 directly to see the temperature data behind these planting recommendations.

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Trees for 16422
Fruits for 16422
Flowers for 16422
Vegetables for 16422

Planting Advice for 16422
Have questions about planting in 16422's climate? Check out our FAQ below for answers to common questions about growing plants in the area.
Zip code 16422 is in USDA hardiness zone 6a, which means plants there can survive temperatures as low as -10 to -5°F each year.
Best Time to Plant in Harmonsburg
Check the growing calendar for Harmonsburg at the Old Farmer's Almanac to see the best planting times for the region.

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Other Towns in Pennsylvania
We have plant recommendations for most towns in Pennsylvania. Select a town from the list below to find the best plants for your area based on the latest climate information.
Best Plants By State
Pennsylvania not the right state? We have plant recommendations for every state, town and zip code in the United States. Choose a state from the list below to find the best plants for your area.
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