What Growing Zone Is Altoona?
Our records indicate the United States Department of Agriculture has given Altoona a growing zone designation of 5b. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Altoona's climate based on the average extreme annual temperature. .Our data is based on the latest 2023 USDA maps, which used Altoona's weather data from 1991 - 2020 in their analysis.
If you are looking for plants suitable for growing in the Altoona area, head on over to our page on plants that grow well in Altoona, IA.
Raised Garden Planter
Elevated planter for easy access and better drainage.
Brass Watering Can
Elegant brass watering can with classic design and durability.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Metal Seed Storage Box
Organized storage solution for your seed collection.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Latest IA growing zone mapThe growing zone is a measure of the lowest temperature that a plant can survive based on average lowest year temperatures, helping you to decide what plants would grow best in your particular climate. Since Altoona is in growing zone 5b this means that plants there can survive temperatures as low as -15 to -10 degrees Fahrenheit. Plants for Altoona's climate should be chosen with this in mind, or plants should be moved inside to keep their core temperature in the right range if necessary.
Some zones may have been changed by the USDA as of 2023. To see if the Altoona area has been affected, refer to this map of half zone changes from the 2012 version of the USDA zones to the 2023 version.
Half zone changes from 2012 to 2023The updated map shows that over half of the Southeast has warmed by about half a zone. For gardeners, that means you can now grow plants that tolerate a bit more heat and less frost than before. The tan areas reflect this shift. Meanwhile, the white areas had slight temperature changes, but not enough to move them into a new zone. In the Western U.S., a few spots shifted cooler. That’s not due to a colder climate, but because the new map uses a larger dataset, giving a more accurate picture of local conditions. It's important to keep track of these changes when planning your garden!
Altoona's Growing Zone Details
USDA Growing Zone: 5b
Zip Codes: 50009
Longitude: -93.4783
Latitude: 41.6483
Lowest Avg Temperatures (F): -15 to -10
Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
Cluck Around Sign
Whimsical sign for your chicken coop area.
Deluxe Plastic Watering Can
High-capacity watering can with comfortable grip and precise spout.
Stainless Steel Garden Tool Set
Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Map of the Altoona Area
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Hydroponic Garden Grow Kit
Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
Large Greenhouse Kit
Spacious greenhouse for extending your growing season.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Cluck Around Sign
Whimsical sign for your chicken coop area.
Plants For Other States:
Looking for the best plants in a different area of the United States? Click on a button below to find plants that are ideal for that state's temperatures.
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Large Greenhouse Kit
Spacious greenhouse for extending your growing season.
Small Greenhouse Kit
Compact greenhouse perfect for small spaces.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Hydroponic Garden Grow Kit
Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
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