What Plants Grow Well In 18109?
The USDA hardiness zone is 7a in the 18109 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 18109's climate based on this hardiness zone.
Learn more about climate conditions on our page for Allentown's plant hardiness zone.
You can also look up the USDA growing zone for 18109 directly to see the temperature data behind these planting recommendations.

Women's Panama Summer Hat

Metal Arbor Trellis

Cluck Around Sign

Rustic Iron Garden Trellis

Japanese Pagoda Garden Statue
Trees for 18109
Fruits for 18109
Flowers for 18109
Vegetables for 18109

Planting Advice for 18109
Have questions about planting in 18109's climate? Check out our FAQ below for answers to common questions about growing plants in the area.
Zip code 18109 is in USDA hardiness zone 7a, which means plants there can survive temperatures as low as 0 to 5°F each year.
Best Time to Plant in Allentown
Check the growing calendar for Allentown at the Old Farmer's Almanac to see the best planting times for the region.

Worm Composting Kit

Wooden Chicken Coop

Naughty Garden Gnome Statue

Brass Watering Can

Self Watering Plant Pots
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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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