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This page talks heat tolerant vegetable plants from David's Garden Seeds®. When we say "heat tolerant" we mean plants that will do well around 90 degrees. In some cases, extreme heat will stop production. Some plants may still produce but what they produce will not taste good.
For instance, most beans will still produce beans but they will be leathery and not good to eat when grown in extreme heat.
Tomatoes will stop producing when night temperatures are above 75 degrees.
Some plants that will continue to produce, no matter how high the temperatures get, are Southern Peas. They love the heat. Okra loves the heat as well. Astro Arugula loves the heat the hot summer days and warm nights.
We will list the plants alphabetically by family name and then by variety.
I am focusing on vegetables that can be grown in San Antonio since it gets pretty hot and dry here.
There are vegetables, like tomatoes, that can be planted in June for September harvest and will continue to produce until the temps drop below 55 degrees.
These are what I have grown here in San Antonio. They may work in other hot areas. But keep in mind that gardening is not an exact science. There are too many variables to consider.
Artichoke: There are none that will grow here once the temperature gets above 85 degrees. If you hear of any, let me know.
Asian Greens: Carlton
Broccoli: Green Magic, Imperial
Bunching Onion: White Spear
Leafy Greens: Goldberg Golden Purslane, Green Malabar Spinach, Orach Light Green, Orach Ruby Red, Red Leaf Vegetable Amaranth, Red Malabar Spinach
Lettuce: Adriana, Cherokee, Coastal Star, Concept, Jericho, Magenta, Muir, Nevada, New Red Fire, Panisse, Red Cross, Salvius, Skyphos, Sparx, Starfighter, Tropicana
Mustard Greens: Green Wave, Red Giant, Red Splendor
Okra: All of them
Pac Choi: Black Summer, Green Pac, Joi Choi, Mei Qing, Win-Win
Parsnip: White Spear
Radish: Crunchy King, Pearl, Rover, Sora
Southern Pea: All of them
Radishes: Crunchy King, Pearl, Rover
Tomatoes Beefsteak: Celebrity, Homestead, Tycoon
Tomatoes Cherry: Black Cherry, Sun Gold, Supersweet 100
Tomatoes Plum: Juliet
Tomatoes Slicing: Arkansas Traveler
Name your favorite veggie variety and tell us your growing story.
You can find Heat Tolerant Flower Seeds here.
David’s Garden Seeds®, gardening is our passion. We provide top quality,
non-GMO seeds so families can learn about gardening and love it. In turn, we
hope they will pass this passion down to their children and
grandchildren, teaching them to grow delicious food, fresh herbs and