6 Heat-Loving Summer Edibles That Thrive in High Temperatures

Whether you're in the tropics or facing a heat wave, these herbs and vegetables love hot weather and grow so fast you'll struggle to keep up. Still time in July to plant healthy transplants.

Eggplant (Solanum melongena)

Most heat-tolerant vegetable; don't plant out until 70°F. With heat and water, rockets up with huge leaves and glossy fruits — egg-shaped, Japanese, marbled lavender. 'Black Beauty' classic; seek 'Blue Marble' (violet/white) or 'Neon' (neon-pink).

seedsavers.org

Annual everywhere. Well-drained soil, constant moisture, full sun, 2–3 ft tall. Space 2–3 ft, stake heavy fruits. Fertilize before planting and lightly through season. Harvest before skin dulls.

Okra (Abelmoschus esculentus)

Hibiscus relative, few vegetables easier. Not just fried/stewed — eat pods fresh, dried, sautéed. Slimy if cooked without high heat or acid (lemon, tomato). "Southern caviar."

Annual everywhere. Drought-tolerant but needs regular water to establish. Full sun, 6 ft tall. Space 3–4 ft. Harvest at finger length; mature pods get stringy. Pick every 2–3 days or plants stop producing.

Peppers (Capsicum annuum)

Spicier, smaller types excel in heat. Habaneros for daredevils; Thai chilies and cayennes add color without ER visits. Well-grown plants produce abundant flavor.

Annual everywhere. Regular water, well-drained soil, full sun, 1–4 ft tall. Space 1–2 ft. Water deeply after planting; fertilize once established. Harvest bells anytime or let ripen red. Pick hots with gloves/shears at deep orange/red.

Lemongrass (Cymbopogon citratus)

Leaf bases essential for Southeast Asian dishes; leaves knotted for tea or soups (like bay leaves). Cats love it. Architectural ornamental grass; perennial in warm climates (zones 9–11).

Annual everywhere; hardy to 25°F (zones 9–11). Drought-tolerant but loves extra water. Partial-full sun, 3–5 ft tall. Plant divisions/transplants in well-drained soil with stake. Harvest year-round with gloves (sharp leaves).

Sweet Potato (Ipomoea batatas)

Edible and ornamental. Beyond baked/fries — try in stews/curries. Ornamental 'Marguerite' is pretty, but edible kinds work as ornamentals too. Morning glory relative.

Annual everywhere. Drought-tolerant but needs regular water to establish. Full sun, 1 ft tall. Plant 'slips' in mounds of rich soil 3 ft apart, only stems/leaves above ground. Harvest anytime or wait for yellowed tops for largest roots. Rotate yearly.

Basil (Ocimum basilicum)

Global warm-climate staple. Sweet basil for pesto/pizza/pasta. Try ornamental tasty varieties: purple basil (deep purple leaves), spicy globe (tiny leaves, boxwood form), Thai/holy/African blue basil (strong flavors).

Annual everywhere. Regular moisture, well-drained soil, full sun, 1–2.5 ft tall. Grows fast from seed; prune/harvest often for bushiness. Light fertilizer (twice) in rich soil. More about growing basil.