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What Can Grow in Oklahoma?

Growing Zone Zone 7a
Frost-Free Days 258
Last Frost early March
First Frost late November

Oklahoma ranges from Zone 6a in the Panhandle to Zone 7b in the southeast. Hot summers and mild winters. Long growing season for warm-season crops.

Find your exact zone:
Oklahoma spans 4 different growing zones. The planting calendar below uses the most common zone (Zone 7a). Use the search above or browse all zones here:
Zone 6a Zone 6b Zone 7a Zone 7b

📅 Planting Calendar for Oklahoma

When to start seeds indoors and transplant outdoors, based on your frost dates.

Plant Start Indoors Transplant Out Direct Sow Harvest
🌾 Amaranth (Chaulai / Rajgira) Feb 7 Mar 7 — Apr 26 – May 21
🥦 Artichoke Jan 10 Mar 7 — May 31 – Jun 15
🥬 Arugula — — Mar 7 Mar 28 – Apr 16
❤️ Beets — — Mar 7 Apr 26 – May 16
🫑 Bell Pepper Jan 10 Mar 7 — May 16 – Jun 5
🥬 Bok Choy Feb 7 Mar 7 — Apr 21 – May 6
🥦 Broccoli Jan 24 Mar 7 — May 6 – May 26
🫛 Brussels Sprouts Jan 10 Mar 7 — Jun 5 – Sep 3
🥬 Cabbage Jan 24 Mar 7 — May 16 – Jul 5
🥕 Carrot — — Mar 7 May 16 – May 26
🥔 Celeriac Jan 1 Mar 7 — Jun 25 – Jul 5
🍒 Cherry Tomato Jan 24 Mar 7 — May 1 – May 16
🌶️ Chili Pepper Jan 10 Mar 7 — May 11 – May 26
🥬 Collard Greens Feb 7 Mar 7 — May 6 – May 26
🌽 Corn — — Mar 7 May 6 – Jun 5
🥒 Cucumber Feb 14 Mar 7 — Apr 26 – May 16
🫛 Edamame (Soybean) — — Mar 7 May 16 – Jun 10
🍆 Eggplant Jan 10 Mar 7 — May 11 – May 26
🫘 Fava Beans — — Mar 7 May 26 – Jun 15
🌿 Florence Fennel — — Mar 7 May 11 – Jun 5
🧄 Garlic — — Oct 1 – Oct 31 Jun – Jul (following year)
🫘 Green Beans — — Mar 7 Apr 26 – May 11
🍬 Ground Cherry Jan 24 Mar 7 — May 16 – May 31
🥬 Kale Feb 7 Mar 7 — May 1 – May 21
🥬 Kohlrabi Feb 7 Mar 7 — Apr 21 – May 6
🧅 Leek Jan 1 Mar 7 — Jun 15 – Aug 4
🥬 Lettuce — — Mar 7 Apr 6 – May 6
🥒 Luffa (Turai / Ridge Gourd) Feb 7 Mar 7 — May 16 – Jun 5
🌱 Microgreens — — Mar 7 Mar 14 – Mar 28
🥬 Mustard Greens — — Mar 7 Apr 6 – Apr 16
🌶️ Okra Feb 14 Mar 7 — Apr 26 – May 11
🧅 Onion Jan 10 Mar 7 — Jun 5 – Jul 5
🥕 Parsnip — — Mar 7 Jun 15 – Jul 15
🫛 Peas — — Mar 7 May 1 – May 16
🥔 Potato — — Mar 7 May 16 – Jul 5
🎃 Pumpkin Feb 14 Mar 7 — May 21 – Jun 15
🔴 Radish — — Mar 7 Mar 29 – Apr 6
🥔 Rutabaga — — Mar 7 Jun 5 – Jun 20
🫛 Snap Peas — — Mar 7 May 6 – May 16
🥬 Spinach — — Mar 7 Apr 16 – Apr 26
🍠 Sweet Potato — — Mar 7 Jun 5 – Jul 5
🥬 Swiss Chard — — Mar 7 Apr 26 – May 6
🫚 Taro (Arbi / Colocasia) Jan 10 Mar 7 — Aug 4 – Sep 23
🫑 Tomatillo Jan 24 Mar 7 — May 21 – Jun 15
🍅 Tomato Jan 24 Mar 7 — May 6 – May 31
🫛 Turnip — — Mar 7 Apr 21 – May 6
🥬 Zucchini Feb 14 Mar 7 — Apr 21 – May 6
🌿 Basil Feb 7 Mar 7 — Apr 6 – May 6
💙 Borage — — Mar 7 Apr 26 – May 6
🌿 Cilantro — — Mar 7 Mar 28 – Apr 21
🌿 Dill — — Mar 7 Apr 16 – May 6
🌱 Fenugreek (Methi) — — Mar 7 Mar 27 – Apr 6
🌿 French Tarragon — — Mar 7 May 6 – Jun 5
🌼 German Chamomile — — Mar 7 May 6 – Jun 5
🍃 Lemon Balm Jan 24 Mar 7 — May 6 – May 16
🌿 Parsley — — Mar 7 May 16 – Jun 5
🍉 Watermelon Feb 7 Mar 7 — May 16 – Jun 5
🌻 Sunflower — — Mar 7 May 6 – May 26

Dates are averages based on Zone 7a frost dates (last frost: early March, first frost: late November). Adjust for your specific microclimate.

🥦 Vegetables

🍓 Fruits

🌿 Herbs

⚠️ Worth Trying (Marginal)

These plants are outside the ideal zone range but possible with the right approach.

🗺️ USDA Plant Hardiness Zones

Zone 7 is shown in this colour on the map below
2023 USDA Plant Hardiness Zone Map — zones 1 to 13

2023 USDA Plant Hardiness Zone Map — public domain. USDA Agricultural Research Service

1 2 3 4 5 6 7 8 9 10 11 12 13

USDA zones run 1a–13b (26 half-zones). Each full zone above covers both the a and b half-zones. Browse all US zones →

Browse Related Zones

Zone 5b Zone 6a Zone 6b Zone 7a Zone 7b Zone 8a Zone 8b

Frequently Asked Questions

Oklahoma ranges from Zone 6a in the Panhandle to Zone 7b in the southeast. Hot summers and mild winters. Long growing season for warm-season crops. Vegetables like Amaranth (Chaulai / Rajgira), Artichoke, Arugula, Asparagus, Beets all grow well here.
With 258 frost-free days, you can grow two cool-season crops per year — one in spring (plant after early March) and one in late summer for fall harvest before late November.
Top vegetables for Oklahoma: Amaranth (Chaulai / Rajgira), Artichoke, Arugula, Asparagus, Beets. For beginners, Amaranth (Chaulai / Rajgira) and Arugula are the easiest to start with.
Apple, Blackberry, Blueberry, Elderberry all grow well in Oklahoma. Zone 7a is excellent for most temperate fruits.