What to Plant in May: Heat-Proof Crops for Florida Gardeners

May in Florida is not for the faint of heart. The heat is real, the humidity is building, and most of the country is just now planting what you finished weeks ago.

But here's the thing — May is not a dead zone. It's a transition. The gardeners who know what to plant right now are the ones who eat through summer while everyone else waits for fall.

These are the crops built for May. Heat-tolerant, humidity-resistant, and productive when everything else is struggling.

Why May Is a Test

Most gardening advice skips May in Florida. And honestly? That's a mistake.

Yes, the cool-season window is long gone. Yes, the summer heat is here. But May is actually one of the best months to establish tropical and warm-season crops before the rainy season kicks in and does the watering for you.

The key is knowing what to plant — and what to leave for fall.

The May Planting List (Zones 8–11)

Sweet Potato

Sweet potatoes were made for Florida summers. They love heat, tolerate drought once established, and produce a calorie-dense harvest with almost no effort. May is prime time to get slips in the ground.

How to plant: Plant slips 12–18 inches apart in loose, well-drained soil. Mound the rows slightly to improve drainage. They'll vine out — give them room.

Harvest: 90–120 days. Cure for 1–2 weeks after harvest to develop sweetness and extend storage life.

Zone notes: All zones. North Florida, get slips in early May. South Florida, you have flexibility through June.

Are you growing sweet potatoes this year? Drop your variety in the comments — Beauregard, Okinawan, or something else?

Southern Peas (Cowpeas)

Black-eyed peas, zipper cream, iron and clay — whatever you call them, Southern peas are a Florida summer staple. They fix nitrogen in your soil, produce in the heat, and taste like summer on a plate.

How to plant: Direct seed 1 inch deep, 3–4 inches apart. Thin to 6 inches. They don't need much — just heat and sun.

Harvest: 60–90 days depending on variety. Pick green for fresh eating or let dry on the vine for storage.

Zone notes: All zones. One of the most reliable warm-season crops across all of Florida.

What's your go-to Southern pea variety? Tell me in the comments.

Okra

If there's one crop that thrives on neglect in a Florida summer, it's okra. The hotter it gets, the happier it is. Plant it in May and you'll be harvesting by July with almost no intervention.

How to plant: Direct seed 1 inch deep, 12–18 inches apart. Soak seeds overnight to speed germination. Full sun, well-drained soil.

Harvest: 50–65 days. Harvest pods at 3–4 inches — they get tough fast. Check plants every 2–3 days once production starts.

Zone notes: All zones. Okra is one of the most heat-tolerant vegetables you can grow in Florida.

Moringa

If you haven't planted moringa yet, May is your moment. This fast-growing tree produces some of the most nutrient-dense leaves, pods, and seeds you can grow — and it loves Florida's heat and humidity.

How to plant: Direct seed or plant cuttings. Seeds germinate quickly in warm soil. Space 8–10 feet apart if planting multiple trees — they get tall fast.

Harvest: Leaves can be harvested within a few months. Pods follow as the tree matures. Cut back regularly to keep it manageable and encourage bushy growth.

Zone notes: Best in Zones 9b–11. Zone 8 and 9a can grow moringa as an annual or protect from frost in winter.

Malabar Spinach

Cool-season greens are done. Malabar spinach is your summer replacement — a vigorous vine that produces thick, mild leaves all through the heat. Trellis it and it becomes a living wall of greens.

How to plant: Direct seed or transplant. Give it a strong trellis — it climbs fast and gets heavy. Plant 12–18 inches apart.

Harvest: Start harvesting young leaves and shoot tips once established. The more you pick, the more it produces.

Zone notes: All zones. Perennial in Zones 9b–11. Will die back in frost but resprout from roots in Zone 8–9a.

Luffa

If you started luffa in April, it's climbing now. If you didn't — May is still a good window, especially in Central and South Florida. This dual-purpose vine gives you edible gourds young and natural sponges at maturity.

How to plant: Direct seed or transplant. Strong trellis required. Plant 2–3 feet apart along the trellis line.

Harvest: 60–70 days for edible stage. 150–200 days for mature sponges. Pick edible luffa at 4–6 inches while still tender.

Zone notes: All zones. Luffa hits its stride in June and July — the heat is its friend.

Tropical Herbs

May is the perfect time to establish the herbs that will carry your kitchen through summer. Skip the basil (it bolts fast) and lean into the tropicals.

What to plant:

• Cuban Oregano: Thick, fragrant leaves. Drought-tolerant once established. Great in containers.
• Lemongrass: Plant divisions or starts. Grows into large clumps. Harvest outer stalks as needed.
• Turmeric: Plant rhizomes 2–3 inches deep. Harvest in fall when leaves die back. Loves humidity.
• Ginger: Same planting method as turmeric. Partial shade is fine — great for under trees.

Zone notes: All zones. Most tropical herbs are perennial in Zones 9b–11 and will die back but resprout in Zone 8–9a.

Zone Quick Reference

North Florida (8b–9a): Get warm-season crops established before the heat peaks. Sweet potatoes, Southern peas, okra, and luffa are your priorities. Moringa can go in but watch for late cold snaps.

Central Florida (9b–10a): May is prime time. Everything on this list is well-suited to your zone. Get it in the ground and let the summer rains do the work.

South Florida (10b–11b): You're already in full summer mode. Focus on heat-tolerant tropicals — moringa, Malabar spinach, sweet potatoes, and tropical herbs will carry you through.

Real Talk

Mulch is non-negotiable. 3–4 inches minimum. May sun is intense and the soil dries fast between rains. Mulch keeps moisture in and soil temps down.

Water deep before the rains arrive. The rainy season is coming, but it's not here yet. Deep, infrequent watering now builds the root systems that handle summer storms and dry spells.

Skip the cool-season mindset. May is not the time to fight the climate. Work with it. Plant what loves heat and let it thrive.

Amend before you plant. Sandy Florida soils drain fast. Work compost into your beds before planting and top-dress throughout the season.

These crops are built for this. You don't need a perfect garden. You need the right plants in the ground at the right time.

Want More?

If you're building a year-round food garden in Florida, I've got resources that go deeper than any blog post:

• Free Florida Plant Guide — month-by-month planting details for every zone
• 50+ Plants That Won't Let You Down – Signed Edition — the book built for Florida gardeners

Let's Talk

Drop a comment and tell me:

• Which of these crops are you planting this May?
• What's your biggest challenge with summer gardening in Florida?
• Have you tried any of these for the first time — how did it go?

Your experience helps other Florida gardeners. Let's build this community together.

Now go plant something that will feed your family all summer long.