What Plants Grow Well In 18103?
The USDA hardiness zone is 7a in the 18103. 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 18103's climate based on this hardiness zone.
Learn more hardiness zones on our page for Allentown's growing zone.

Rustic Iron Garden Trellis

Cluck Around Sign

Reusable Grow Bags

Raised Garden Bed Kit

Brass Watering Can
Trees for 18103
Fruits for 18103
Flowers for 18103
Vegetables for 18103

Planting Advice for 18103
Have questions about planting in 18103's climate? Check out our FAQ below for answers to common questions about growing plants in the area.
Zip code 18103 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.

Brass Decorative Faucet Handle

Cluck Around Sign

Hoeing Ain't Easy Garden Sign

Small Greenhouse Kit

Shiitake Mushroom Kit

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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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