4 Planting zones in Oklahoma with Map

There are 4 Planting Zones in Oklahoma ranging from zone 6b to zone 8a, as per the USDA data. The 4 Planting zones of Oklahoma are listed below.

1. Zone 6b: Zone 6b covers the northwestern panhandle with average minimum temperatures of -5°F to 0°F (-20.6°C to -17.8°C). Cities like Boise City and Guymon fall in this semi-arid region.
2. Zone 7a: Zone 7a spans northern and central Oklahoma with lows of 0°F to 5°F (-17.8°C to -15°C). Enid and Stillwater are key cities here.
3. Zone 7b: Zone 7b includes central and eastern areas like Oklahoma City and Tulsa, experiencing temperatures of 5°F to 10°F (-15°C to -12.2°C).
4. Zone 8a: Zone 8a, the warmest region, covers the southeastern corner with lows of 10°F to 15°F (-12.2°C to -9.4°C). Cities like Idabel and Broken Bow benefit from this higher humidity and longer growing season zone.

You can find your Oklahoma planting zone by using our 3 tools given below, ZIP code tool or the interactive Oklahoma planting zone map an the Oklahoma Hardiness zones Table.

Search Oklahoma Planting Zones by ZipCode

Enter Oklahoma 5 digit zip-code to find its USDA Planting zone.

Planting Zones Oklahoma Map

Select your Oklahoma city form the selection box below, to find USDA Growing zone. Please choose map layers by clicking top right corner button in the map.

Planting Zones in Oklahoma with Cities

Below given table lists USDA Hardiness zones for Oklahoma cities, towns and counties. Data is Sourced from USDA

What are the 4 planting zones in Oklahoma?

1. Zone 6b

Zone 6b , as shown in purple color on the map, covers the northwestern panhandle of Oklahoma. With average annual minimum temperatures ranging from -5°F to 0°F (-20.6°C to -17.8°C), it represents the coldest region in the state. Some of the cities in this zone are Boise City, Guymon, and Kenton. The area is characterized by its semi-arid climate and is suitable for hardy plants that can withstand colder temperatures.

2. Zone 7a

Zone 7a, the dark blue colored area on the map, extends across much of northern Oklahoma and parts of the central region. This zone experiences average annual minimum temperatures between 0°F and 5°F (-17.8°C to -15°C). Some of the notable cities in this zone are Enid, Ponca City, and Stillwater. The area covers a mix of prairie and woodland ecosystems, offering a diverse growing conditions for variety of plants.

3. Zone 7b

Covering a large portion of central and eastern Oklahoma, Zone 7b is represented by the teal color on the map. With average annual minimum temperatures from 5°F to 10°F (-15°C to -12.2°C), this zone offers a slightly milder climate than 7a. Main cities in this zone are Oklahoma City, Tulsa, and Norman. This zone supports a wide range of plants and is known for its transition between the drier western plains and the more humid eastern forests.

4. Zone 8a

The warmest zone in Oklahoma, 8a, is shown in light green color on our map above and is primarily found in the southeastern corner of the state. This zone experiences average annual minimum temperatures between 10°F and 15°F (-12.2°C to -9.4°C). Cities in this zone are Idabel, Broken Bow, and Hugo. This zone have a higher humidity and a longer growing season, making it suitable for a variety of plants that thrive in warmer conditions, including some subtropical species.

How to use the Planting Zones map for Oklahoma?

To effectively make use of the US planting zones map for Oklahoma, identify your specific zone by using the interactive map or by searching through zip code (both given above), this provides you the precise local information. Then use this zone information to choose the plants suited to your area. For example, in Zone 6b, consider planting Black-Eyed Susan (Rudbeckia hirta), while Zone 7a is ideal for Daylily (Hemerocallis spp.). Zone 8a can support Lantana (Lantana camara).