What to Plant in July in Zone 8b Texas

July in Zone 8b Texas is the hardest month in the garden.

Highs hit 100°F regularly. Rain disappears. Tomato fruit set stops dead. Lettuce is a distant memory. Most gardeners look at their crispy beds and call it quits until October.

That's a mistake. July is actually the most important month for the rest of your year.

The fall garden — the one that out-produces spring in Zone 8b — gets seeded indoors in July. Miss this window and you've thrown away half your growing year.

Here's exactly what we do.

What July Looks Like in Zone 8b

The reality:

• Daytime highs: 98-105°F, regularly
• Nighttime lows: rarely below 75°F
• Soil temp at planting depth: 85-90°F (too hot for many seeds)
• Rainfall: minimal, often zero for weeks
• Tomato fruit set: stalled

If you're working in the garden, you're doing it before 9am or after 7pm. Anything else is heat exhaustion territory.

But here's the good news: the heat-loving crops that survived June are now hitting their full stride, and you're about to set up the most productive fall garden of your life.

What to Direct Sow in July

The outdoor planting list is short but real:

Heat champions

• Okra (still going — seed by July 15 for fall harvest)
• Black-eyed peas / cowpeas
• Yard-long beans
• Sunflowers (for late-summer cut flowers)
• Pumpkins (last call — must be in by July 7 for October)

Herbs that don't quit

• Basil (still thriving)
• Mexican mint marigold
• Lemongrass

Heat-loving greens

• Malabar spinach
• Sweet potato greens (harvest from existing plants)
• Amaranth
• Molokhia

Timing tip: Anything direct-sown in July needs shade cloth and twice-daily watering for the first 10 days to germinate. Without those two things, you're wasting seed.

What to Start Indoors in July (This Is the Big One)

This is where July earns its keep:

Fall tomatoes

• Start by July 10 at the latest
• Use 65-day or shorter varieties — Celebrity, Early Girl, Phoenix, Heatmaster
• Transplant out late August / early September
• Harvest October-November

Fall peppers

• Start by July 7
• Transplant late August
• Harvest October-December

Fall cucumbers

• Start by July 20
• Transplant mid-August
• Harvest mid-September through first frost

Fall brassicas (broccoli, cabbage, cauliflower, brussels sprouts)

• Start indoors July 25-31
• Transplant early September
• Harvest November-January

Fall lettuce, kale, swiss chard

• Start indoors July 25-31 in a cool spot
• Transplant in September

This is the secret nobody tells you: most of your fall crops are seeded indoors in July, while the outside garden looks dead.

Set up a simple seed-starting station in your kitchen or garage with a $30 grow light. By the time the heat breaks in September, you'll have transplants ready to go.

What to Transplant in July

Almost nothing — and that's fine.

If you have surviving tomato or pepper transplants, you can still get them in early July, but they'll struggle. Heat-tolerant pepper varieties (jalapeños, serranos, banana peppers) are the only thing worth transplanting outdoors this month.

Save your transplant energy for late August.

What's Still Producing

Despite the heat, your spring investment is still paying off:

• Okra: Peak production. Harvest every 2 days or pods get woody.
• Peppers: Steady harvest, especially smaller hot varieties.
• Eggplant: Still going strong.
• Sweet potatoes: Vines spreading aggressively underground.
• Cowpeas: Producing well.
• Tomatoes: Limping along — pick what fruit set in June.
• Herbs: Basil, oregano, rosemary, thyme all unbothered.

What NOT to Plant in July

• ❌ Anything in the cool-season family (lettuce, spinach, broccoli outdoors)
• ❌ Tomato transplants (heat will shock them)
• ❌ Carrots, beets, radishes (germination is hopeless in 90°F soil)
• ❌ Strawberries
• ❌ Onion sets

How to Keep Plants Alive in July

The five non-negotiables:

1. Mulch is everything. 3+ inches of organic mulch on every bed. It cuts soil temp by 10°F and water loss in half.

2. Drip irrigation is mandatory. Hand-watering 100°F beds isn't sustainable. A basic drip kit + timer pays for itself this month.

3. Shade cloth on west-facing beds. 30-50% shade for tomatoes, peppers, eggplant. Drop another 5-10°F off your effective heat.

4. Water deep, water early. Twice a week, deep soak, before 9am. Light daily watering trains shallow roots that fry.

5. Don't fertilize stressed plants. Heat-stressed plants can't process nutrients. Wait until temperatures moderate to push growth.

Pest Watch in July

The bug pressure peaks in July. The big ones to watch:

• Squash vine borer: Wraps up most squash. Plant resistant varieties (tromboncino, butternut) for fall.
• Spider mites: Hot dry conditions = explosion. Spray undersides of leaves with water early in the morning.
• Stink bugs and leaf-footed bugs: Hand-pick into soapy water. Drop dead, repeat.
• Aphids: Less of a problem in extreme heat, but watch for them on stressed plants.

We don't spray. The companion planting from spring (marigolds, basil, nasturtiums) and a healthy population of beneficial insects keeps things in check.

Our July Schedule

Week 1 (July 1-7): Start fall tomato and pepper seeds indoors. Direct sow last pumpkins. Mulch everything still alive.

Week 2 (July 8-14): Start fall cucumbers indoors. Maintain drip system. Harvest okra aggressively.

Week 3 (July 15-21): Last okra direct sow. Heat-loving herb succession. Plan fall garden layout in detail.

Week 4 (July 22-31): Start ALL fall brassicas, lettuce, chard, kale indoors. Order fall seeds if you haven't.

What You'll Be Harvesting

• Early July: Last big tomato push, peppers, cucumbers winding down
• Mid July: Okra peak, peppers, eggplant, herbs
• Late July: Okra, peppers, beans, sweet potato leaves

The Mindset

July looks like nothing's happening. You're sweating in 100°F heat, your tomatoes aren't setting fruit, and most beds are full of mulched-down plants you're just trying to keep alive.

But indoors, under your grow light, you're starting the next garden. By August you'll have transplants. By September you'll be putting them in cooling soil. By October you'll be eating tomatoes again, and broccoli, and cauliflower, and lettuce.

Zone 8b doesn't have one growing season. It has two — and July is the bridge.

Don't waste it.

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We document every planting season on Instagram and TikTok @raisednakedco — follow along for real-time Zone 8b updates from our beds.