Best Vegetables for Summer Southern Gardens, 11 Vegetables That Thrive in Southern Heat

by | Southern Gardening

Browse our Southern Gardening Guides for more growing tips and pest control advice.

Best Vegetables for Southern Summer Gardens: 11 Crops That Do Well in Heat and Humidity

Gardening in the southern United States comes with both advantages and challenges. The South benefits from long growing seasons and mild winters, but gardeners must also deal with intense summer heat, humidity, and persistent pests.

Choosing vegetables that naturally tolerate warm conditions makes gardening much easier and more productive. Many crops actually thrive in southern climates and can produce abundant harvests throughout the growing season.

If you’re planning a garden in the South, the following vegetables are among the most reliable and productive choices.

1. Tomatoes

Tomatoes are one of the most popular vegetables grown in southern gardens. With proper care and heat-tolerant varieties, tomatoes can produce excellent harvests in warm climates.

Southern gardeners often plant tomatoes in early spring so plants have time to produce before the most intense summer heat arrives.

Helpful tips for growing tomatoes in the Hottest months include:

  • Provide sturdy supports or cages
  • Use mulch to keep soil cool
  • Water consistently during hot weather
  • provide 30-45% Shade cloth in the hottest months
  • Grow cherry tomato varieties.  Most all colors do well.  Florida everglade tomatoes are the best for all summer long.
ripe tomatoes growing in southern garden

2. Peppers

Peppers thrive in warm weather and are well suited for southern gardens. Both sweet peppers and hot peppers tolerate heat better than many other vegetables.

Common pepper varieties include:

  • Bell peppers
  • Jalapeños
  • Banana peppers
  • Cayenne peppers

Peppers grow best in full sun with well-drained soil and consistent watering.

3. Okra

Okra is one of the most heat-tolerant vegetables available and is a staple in many southern gardens.

This crop thrives during the hottest months of summer when other vegetables may struggle. Okra plants grow quickly and produce pods continuously when harvested regularly.

Because okra loves heat, it is often planted after soil temperatures warm significantly in late spring.

Star of David okra pod from a summer garden

4. Southern Peas

Southern peas, sometimes called cowpeas or black-eyed peas, are extremely well adapted to hot southern climates.

These plants tolerate drought and poor soil better than many other crops, making them a dependable choice for southern gardeners.

Popular varieties include:

  • Black-eyed peas
  • Purple hull peas
  • Crowder peas

Southern peas are typically planted in late spring or early summer.

5. Sweet Potatoes

Sweet potatoes are another crop that thrives in southern heat. Unlike regular potatoes, which prefer cooler conditions, sweet potatoes grow best in warm soil and long summers.

Sweet potato vines spread across the ground and produce nutritious tubers beneath the soil.

These plants require plenty of sunlight and well-drained soil.

6. Squash

Popular varieties include:

  • Seminole Pumpkin Squash
  • Waltham Butternut
  • Trombonico
  • Seminole and Trombonica can be eaten as summer squash when picked young.

7. Beans

Beans are easy to grow and very productive in warm climates. Both bush beans and pole beans grow well in southern gardens.

But in the hottest months pole beans do best.  Yard Long, Noodle Beans, Long pole beans are a few of the best summer varieties.

They also help improve soil fertility because they naturally add nitrogen to the soil.

8. Eggplant

Eggplant thrives in warm temperatures and produces best in sunny southern gardens.

Plants produce glossy fruits that are commonly used in many dishes.

Eggplants require warm soil, full sun, and consistent watering for best results.

collard greens growing in southern vegetable garden

9. Collard Greens

Collard greens are extremely popular in southern cooking.

Collards have been known to grow all year long in many southern gardens.

One of the better varieties are Georgia Souther Collards.

Collards can be harvested continuously by picking outer leaves while allowing the center of the plant to keep growing.

10.  Watermelon

Varieties

Sugarbaby and Orangeglo are very good varieties to grow through the summer.

The main concern is steady watering.  Too much rain can cause them to split.

subaby watermelon

11. Sunflowers

Sunflowers are great to grow Spring and Summer.

Not only are they pretty but the birds and bees love them too!

481239911 1077113311099722 8918759790426216822 n e1774978393916
vegetables growing in a southern garden

Related Gardening Guides

Spring Garden Planting Guide

Spring Garden Planting Guide

I just love this time of year.The process of selecting all the different types of vegetables I’m going to plant and imagining myself out there reaping the harvest is so exciting. And if, like me, you start your own seeds, you get the added benefit of getting your...

read more