Illinois planting zones fall between 5a and 7a, with the northern part of the state being at the lower end of the range. Before planning a garden, it is important to research planting zones specific to the region you will be growing in.

What climate zone does Illinois live in?

Most of Illinois has a humid continental climate (Köppen climate classification Dfa) with hot, humid summers and cool to cold winters. The southernmost part of the state, from about Carbondale southward, and the eastern suburbs of St.

What USDA zone is Northern Illinois?

Northern Illinois is in Zones 5a-5b.

What zone number is Illinois?

Illinois is in the 5,6 & 7 USDA plant hardiness zones.

What is hardiness zone 5a?

Zone 5: The minimum average range of temperatures is -10° to -20°F. Zone 5a: This subzone has a minimum average temperature of -15° to -20° F. Zone 5b: This subzone has a minimum average temperature of -10° to -15°F.

What zone is Rockford IL?

Vegetable Planting Calendar: Rockford, Illinois. Rockford, Illinois is located in USDA Hardiness Zone 5.

What zone is Chicago Illinois?

Chicago falls into zone 5, with a low average temperature of -20°F to -10°F. More often than not, you will find a label on plants indicating that the plant is “hardy up to zone x.” Additionally, websites often categorize plants by zone.

What is a zone 4?

If you are in USDA zone 4, you’re probably somewhere in the interior of Alaska. This means that your area gets long, warm days during the summer with high temps in the 70’s and lots of snow and average cold temps of -10 to -20 F. (-23 to -28 C.)

What zone is Peoria IL?

Peoria, Illinois is located in USDA Hardiness Zone 5. Planting vegetable seeds or transplants at the correct time is important for getting the most out of your garden. Knowing your first and last frost dates will help you start your vegetable seeds at the right time. Illinois’ USDA Hardiness Zones are zones 5, 6 and 7.

What is Zone 7a?

Zone 7: The overall zone has a minimum average of temperatures of 0° to 10°F. Zone 7a: This subzone has a minimum average temperature of 0° to 5° F. Zone 7b: This subzone has a minimum average temperature of 5° to 10°F.

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What is Hardiness Zone 10?

Zone 10: 30 to 40°F Zone 10 sees some of the hottest temperatures in the U.S., prevalent in tropical places such as Southern California and Southern Florida. Plants in this zone can handle temperatures as low as 30 to 40°F. Common Plants: Bougainvillea (Bougainvillea spectabilis)

What planting zone is Naperville IL?

Naperville, Illinois is located in USDA Hardiness Zone 5.

How do I find my zoning in Chicago?

The new map at provides searchable zoning and related information for all parcels located within the city’s borders.

What planting zone is St Louis MO?

Most of Missouri is in the central zone, or zone 6 on the map. This includes St. Louis, Kansas City, Columbia and Springfield, along with most of Kansas and the southern half of Illinois.

When can I plant in Zone 5b?

USDA zone 5 is divided into zone 5a and zone 5b and each will vary somewhat regarding planting dates (often by a couple of weeks). Generally, planting is dictated by the first frost free date and the last frost free date, which in the case of USDA zone 5, is May 30 and October 1, respectively.

What grows best in zone 6b?

ZonesShipping DatesLast Order Date9/14/2021

What agricultural zone is Illinois?

Illinois planting zones fall between 5a and 7a, with the northern part of the state being at the lower end of the range.

What are the growing zones in the US?

The average low temperatures for zone 1 are -60 to -50, for zone 2 are -50 to -40, for zone 3 are -40 to -30, for zone 4 are -30 to -20, for zone 5 are -20 to -10, for zone 6 are -10 to 0, for zone 7 are 0 to 10, for zone 8 are 10 to 20, for zone 9 are 20 to 30, for zone 10 are 30 to 40, for zone 11 are 40 to 50, for …

What planting zone is Edwardsville IL?

Edwardsville, Illinois is in USDA Hardiness Zones 6a and 6b.

Where is zone 9 in the United States?

Zones 9 to 11 in the United States encompass such areas as Texas, California, Louisiana, Florida, and other southern areas of the states. Their characteristics regarding water vary, however, which is also a consideration when choosing plants.

Where is zone 6 in the United States?

It stretches south and west through Ohio, Kentucky, Kansas, and even parts of New Mexico and Arizona before turning northwest up through Utah and Nevada, ending in Washington state. If you live in zone 6, you may be scoffing at the idea of lows like this because you’re used to warmer or colder temperatures.

What is a zone 8?

US States in Hardiness Zone 8 In North America, Zone 8 is one of the warmest zones, containing much of the southern quarter of the United States, including much of North Carolina, South Carolina, Georgia, Alabama, Mississippi, Florida, Louisiana, Arkansas, Texas, Arizona, California, and coastal Oregon and Washington.

Where is Zone 7 in the US?

USDA zone 7 contains southern Oklahoma, a chunk of northern Texas, southern New Mexico, central Arizona, southern Utah and southern and western areas of Nevada. The zone extends into eastern California and west-central Oregon/Washington.

Where is Climate Zone 14?

Zone 14 includes the cold-winter valley floors, canyons, and land troughs in the Coast Ranges from Santa Barbara County to Humboldt County. The milder-winter, marine-influenced areas in Zone 14 and the cold-winter inland valley within Zone 14 differ in humidity.

Where is zone 8 in the US?

USDA Zone 8 covers most of the Pacific Northwest and a great swath of the American South, including Texas and Florida.

What does Zone 11 mean?

Climate Zone 11 is the northern California valley, south of the mountainous Shasta Region, east of the Coastal Range, and west of the Sierra Cascades. Seasons are sharply defined. Summer daytime temperatures are high, sunshine is almost constant, and the air dry.

What plant zone is 9?

Zone 9: The minimum average temperature range is 20°F to 30°F. Zone 9a: The minimum average temperature range is 20°F to 25° F. Zone 9b: The minimum average temperature range is 25°F to 30°F.

Can I grow a zone 9 plant in Zone 10?

If a plant is hardy in zones 5-9 and you plant it in zone 10, the most likely impacts are a lack of vigor, a lack of flowers and if the plant usually sets fruit, it is unlikely to set fruit. In other words, plants grown climates that are too warm tend not to thrive and waste away over time.

What grows well in Zone 5b?

• Echinacea.
• Bee balm.
• Phlox.
• Daylily.
• Delphinium.
• Rudbeckia.
• Filipendula.
• Sedum.

When can I plant outside Chicago?

Plant warm-season flowering annuals, vines, herbs, and vegetables after the Chicago area’s average last frost date of May 15. Cautious gardeners often wait until Memorial Day before setting out cold-sensitive plants such as tomatoes, peppers, eggplants, and squash.

What are zones for planting?

In the United States, planting zones are specific locations that correspond to which plants can grow well there. The planting zone map is based on the average annual minimum winter temperature, and which varieties of flowers and plants can survive and thrive in those conditions.