What Planting Zone is Oklahoma in?


Oklahoma Map With Planting ZonesSource:


Oklahoma is a state located in the southern region of the United States. It has a diverse climate that ranges from humid subtropical in the east to semi-arid in the west. One of the most important factors to consider when gardening or farming in Oklahoma is the planting zone. The planting zone determines which plants are suitable to grow in a particular area and when to plant them. In this article, we will discuss what planting zone Oklahoma is in.

What is a Planting Zone?

A planting zone is a geographic area defined by the United States Department of Agriculture (USDA) based on the average annual minimum temperature. The USDA divides the country into 13 planting zones, each with a temperature range of 10 degrees Fahrenheit. These zones help gardeners and farmers determine which plants can survive and thrive in their area.

Usda Planting ZonesSource:

Oklahoma’s Planting Zone

Oklahoma is located in planting zones 6a, 6b, 7a, 7b, 8a, 8b, and 9a. These zones have an average annual minimum temperature range of -10 degrees Fahrenheit to 20 degrees Fahrenheit. The majority of Oklahoma falls into zones 7a and 7b, which have an average annual minimum temperature range of 0 degrees Fahrenheit to 5 degrees Fahrenheit. These zones are considered ideal for growing a wide range of plants, including vegetables, fruits, and flowers.

Oklahoma Planting ZonesSource:

Best Plants to Grow in Oklahoma

Oklahoma’s diverse climate allows for a wide variety of plants to grow. Some of the best plants to grow in Oklahoma include:

  • Tomatoes
  • Peppers
  • Cucumbers
  • Zucchini
  • Squash
  • Green beans
  • Okra
  • Watermelon
  • Cantaloupe
  • Peaches
  • Apples
  • Blackberries
  • Blueberries
  • Strawberries
  • Marigolds
  • Petunias
  • Zinnias

Oklahoma Vegetable GardenSource:

When to Plant in Oklahoma

The best time to plant in Oklahoma varies depending on the type of plant and the planting zone. In general, it is recommended to plant cool-season crops such as lettuce and spinach in early spring, warm-season crops such as tomatoes and peppers in late spring, and fall crops such as broccoli and cauliflower in late summer. Gardeners in Oklahoma should also be aware of the last spring frost date and the first fall frost date, which can vary depending on the planting zone.

Oklahoma Spring GardenSource:


Knowing what planting zone Oklahoma is in is essential for successful gardening and farming. Oklahoma falls into planting zones 6a, 6b, 7a, 7b, 8a, 8b, and 9a, with the majority of the state falling into zones 7a and 7b. These zones are ideal for growing a wide variety of plants, including vegetables, fruits, and flowers. By understanding the planting zone and the best time to plant, gardeners and farmers in Oklahoma can create a thriving and productive garden.

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