Seasonal Planting Guide
What to Plant in July
July is fall garden season. Start brassicas indoors, succession-plant beans and greens, and keep summer crops producing. The best gardeners plant twice a year.
🌱 Visualize Your July Garden →🥦 Start Your Fall Garden in July
Broccoli & Cauliflower (Start Indoors)
July is THE month to start fall brassicas indoors for zones 4–7. Sow broccoli, cauliflower, cabbage, and Brussels sprouts seeds 10–12 weeks before first frost. Start in cell trays indoors or in a shaded spot outdoors — July heat kills brassica seedlings in direct sun. Transplant to the garden in August when temps start cooling. These crops actually taste BETTER after a light frost.
Kale & Collards (Direct Sow)
Direct sow kale and collards in July for zones 4–8. These cold-hardy greens can be harvested well into December and even through winter in milder zones. Sow 1/4 in deep, thin to 18 in apart. Kale is the ultimate fall crop — frost converts starches to sugars, making it sweeter. Varieties: Lacinato (dinosaur), Red Russian, Winterbor, Dwarf Blue Curled.
Bush Beans (Succession Sow)
Direct sow another round of bush beans in early July for zones 4–8. Bush beans mature in 50–60 days — a July sowing produces a September harvest before frost. This is succession planting at its best. Plant 1 in deep, 3 in apart. Provider, Contender, and Roma II are fast-maturing varieties perfect for late sowings.
Cucumbers & Summer Squash (Quick Varieties)
In zones 5–8, early July is the last window for fast-maturing cucumber and summer squash varieties. Choose varieties under 55 days: Spacemaster cucumber (55 days), Picklebush cucumber (52 days), Early Prolific Straightneck squash (50 days). Direct sow — no time for transplanting. These will produce before fall frost hits.
Carrots & Beets (Fall Harvest)
Direct sow carrots and beets in July for a fall harvest in zones 4–8. Count back from your first frost date — carrots need 60–80 days, beets need 55–70 days. Fall-harvested root crops are sweeter than spring ones because cool soil temperatures concentrate sugars. Keep soil consistently moist for even germination — July heat dries soil fast.
Lettuce & Salad Greens (Shade Required)
Start fall lettuce and salad greens in July, but provide shade — lettuce bolts in heat above 80°F. Use shade cloth (50–70%) or plant on the north side of taller crops. Sow in late afternoon, keep moist. Or start in trays indoors/in shade and transplant when cooler. Heat-tolerant varieties: Muir, Jericho, Nevada, Concept. Succession sow every 2 weeks through August.
🔄 Summer Succession Planting
Beans — Bush & Pole
Keep sowing bush beans every 2–3 weeks through July for continuous harvest. Pole beans planted in July will produce until frost. Yard-long beans and lima beans thrive in summer heat — they actually produce BETTER in July heat than in cool spring weather. Direct sow all beans — they don't transplant well.
Corn (Short-Season Varieties)
In zones 5–7, early July is the last chance for short-season corn varieties (60–70 days). Early Sunglow (63 days), Trinity (68 days), and Earlivee (63 days) can still make it before frost. Plant in blocks (not rows) for pollination. Sow 1 in deep, 8–12 in apart. Sweet corn needs consistent moisture during tasseling.
Okra, Southern Peas, Sweet Potatoes
Heat-loving crops thrive when planted or transplanted in July in zones 7–10. Okra produces heavier in summer heat. Southern peas (black-eyed peas, cowpeas) love hot weather. Sweet potato slips planted in July still have time to produce in zones 8–10. These crops actually PREFER the heat other plants can't handle.
Herbs: Basil, Cilantro (Fall Crop)
Plant another round of basil in July — it thrives in summer heat and produces until frost. For cilantro, sow seeds for a fall crop — it bolts quickly in summer heat but will thrive as temperatures cool in September. Also sow: dill (goes to seed fast in heat but new plants are quick), and perennial herbs (oregano, thyme) for establishment before winter.
Sunflowers (Late-Season)
Sow sunflowers in July for September–October blooms. Shorter varieties (Teddy Bear, Big Smile, Pacino) work best for late sowings. Sunflowers are one of the fastest-growing plants — some varieties bloom in 55–60 days from seed. They're also excellent for attracting pollinators to your fall garden and providing seeds for birds.
Zucchini & Summer Squash (Second Planting)
If your spring squash has succumbed to squash vine borers or powdery mildew (common by July), plant a fresh round. A July sowing often avoids the worst pest pressure and produces clean fruit into fall. Choose resistant varieties: Dunja zucchini, Zephyr squash, Tromboncino (resistant to vine borers).
☀️ Plant Outdoors — Warm Zones (8–10)
Tomatoes — Fall Crop (Zones 8–10)
Zones 8–10 can plant a second round of tomatoes in July for a fall harvest. Use transplants (no time for seeds). Choose fast-maturing varieties: Celebrity (70 days), Early Girl (52 days), Juliet (60 days). In zone 10, fall tomatoes often outperform spring ones because humidity drops. Provide afternoon shade in extreme heat zones.
Peppers — Fall Crop (Zones 8–10)
Transplant pepper plants in July for fall production in zones 8–10. Use nursery transplants or potted plants that have been growing. Peppers produce best when nighttime temps drop to 60–70°F in fall. This second planting often yields the best peppers of the year because the worst summer heat stress is past by harvest time.
Winter Squash (Zones 8–10)
Direct sow winter squash in July for zones 8–10. Butternut, spaghetti, acorn, and delicata squash need 80–100 days. A July sowing gives a November harvest. These long-season crops need space — 6–8 ft between hills. Store cured winter squash for months in a cool, dry location.
Sweet Potatoes (Zones 7–10)
Still time to plant sweet potato slips in zones 7–10 in early July. Sweet potatoes need 90–120 days of warm weather. They're one of the easiest and most productive crops — a single slip can produce 3–8 lbs of sweet potatoes. Plant slips 12 in apart in mounded rows. Don't water the last 3 weeks before harvest.
Watermelon & Cantaloupe (Zones 8–10)
Zones 8–10 can still sow short-season melons in early July. Choose varieties under 80 days: Sugar Baby watermelon (75 days), Minnesota Midget cantaloupe (65 days), Cream of Saskatchewan (80 days). These need full sun, consistent moisture, and warm soil. Place cardboard or melon cradles under developing fruit.
Fall Flower Seeds (Zones 7–10)
Sow seeds for fall-blooming flowers: cosmos (50–60 days), zinnias (60–70 days), marigolds (50–60 days), celosia (60–70 days). In warm zones, these will bloom from September through November. Also plant rudbeckia and Mexican sunflower seeds. Annual flowers planted in July fill the gap between summer and fall gardens.
📋 July Garden Maintenance
Deep Water — Don't Shallow Sprinkle
July heat demands deep watering: 1 in of water per week minimum, delivered in 1–2 deep soakings (not daily sprinkling). Deep watering encourages deep roots. Shallow watering creates shallow-rooted, heat-stressed plants. Water early morning (before 10 AM) to reduce evaporation and disease. Drip irrigation saves 30–50% water vs overhead sprinklers.
Mulch Everything — 3 Inches
If you haven't mulched yet, do it NOW. Three inches of organic mulch (wood chips, straw, shredded leaves) reduces soil temperature by 10–15°F, retains moisture, and suppresses weeds. This single action is the most impactful thing you can do for your garden in July heat. Don't volcano-mulch around tree trunks — keep mulch 3 in from stems.
Deadhead Flowers for More Blooms
Remove spent flower heads to encourage continuous blooming. Deadhead: roses, dahlias, zinnias, marigolds, petunias, cosmos, coneflowers. Use clean scissors or pruners. Exception: don't deadhead if you want seeds for birds or self-sowing. Perennials like coneflower and black-eyed Susan can be left for seed heads that feed birds in winter.
Monitor for Pests & Diseases
July is peak pest season. Watch for: tomato hornworms, squash vine borers, Japanese beetles, aphids, spider mites, powdery mildew, blossom end rot. Check plants daily — early detection is everything. Use IPM (Integrated Pest Management): hand-pick large pests, blast aphids with water, use Bt for caterpillars, neem oil for fungal issues.
Harvest Regularly
Harvest summer crops DAILY — zucchini, cucumbers, beans, and tomatoes produce more when picked regularly. Zucchini left on the vine becomes baseball bats. Cucumbers become bitter when overripe. Tomatoes picked at first blush ripen perfectly on the counter and free the plant to produce more. Consistent harvesting extends production by weeks.
Don't Fertilize in Extreme Heat
Avoid heavy fertilizing during heat waves (above 90°F). Fertilizer stimulates growth, which increases water demand on already-stressed plants. Wait for a cooler spell. Exception: container plants and heavy feeders (tomatoes, peppers) benefit from diluted liquid fertilizer every 2 weeks even in heat — their confined root zones need regular feeding.
🗓️ Plan Ahead — August & Fall Prep
Order Garlic for Fall Planting
Order seed garlic NOW from specialty growers for October planting. Grocery store garlic is often treated to prevent sprouting and may carry disease. Specialty garlic: Music (porcelain hardneck), Georgian Fire (hot), Chesnok Red (baking), German White (reliable). Hardneck varieties produce scapes and do best in zones 3–7. Softneck for zones 7–10.
Order Spring-Blooming Bulbs
Order tulips, daffodils, alliums, crocus, and hyacinth bulbs in July for September–November planting. Popular varieties sell out. Dutch sources ship in September. Plan for layered bulb planting (lasagna method): crocus at 3 in, tulips at 8 in, daffodils at 6 in — three waves of spring blooms from one hole.
Plan Fall Cover Crops
Research cover crops to plant in August–September after summer crops are done. Crimson clover, winter rye, daikon radish, buckwheat, Austrian winter peas — all improve soil while preventing erosion. Cover crops add nitrogen, break up compacted soil, suppress weeds, and feed soil biology. The best thing you can do for next year's garden.
Prepare New Garden Beds
July is a great time to start preparing new garden beds for fall or next spring. Sheet mulch (cardboard + 6–12 in of compost/mulch) over lawn or weedy areas. By fall, the grass underneath will be dead and soil life will have started building. This no-dig method creates rich planting beds without tilling.
Evaluate Spring Garden — What Worked?
Take notes NOW while spring results are fresh: Which varieties produced best? What spacing worked? Where did you have pest or disease issues? What would you plant more/less of? What did you wish you had planted? These notes are gold for planning next year. Take photos of your garden for reference.
Start Composting Fall Leaves Early
Set up a dedicated leaf composting area or bin. Fall leaves are coming in 2–3 months — they're the best free garden amendment. Shredded leaves break down faster. A leaf pile started in October produces leaf mold by the following spring. If you compost nothing else, compost leaves. They're garden gold.
July Planting Quick Reference
| Plant | Start Indoor | Transplant/Outdoor | Days to Harvest | Zones | Sun | Difficulty |
|---|---|---|---|---|---|---|
| Broccoli/Cauliflower | July (start indoors) | Aug transplant | 55–80 | 4–7 | Full sun | Moderate |
| Kale & Collards | N/A | July (direct sow) | 55–75 | 4–8 | Full–part sun | Easy |
| Bush Beans | N/A | July (direct sow) | 50–60 | 4–8 | Full sun | Easy |
| Carrots (fall) | N/A | July (direct sow) | 60–80 | 4–8 | Full sun | Moderate |
| Lettuce (shade required) | July (shade/indoor) | Aug transplant | 30–60 | 4–8 | Part sun | Easy |
| Tomatoes (fall crop) | N/A | July transplant | 52–70 | 8–10 | Full sun | Easy |
| Winter Squash | N/A | July (direct sow) | 80–100 | 8–10 | Full sun | Easy |
| Sunflowers (late) | N/A | July (direct sow) | 55–70 | 3–9 | Full sun | Easy |
July Planting FAQs
What can I plant in July for a fall garden?▼
Start broccoli, cauliflower, cabbage, and Brussels sprouts indoors. Direct sow kale, collards, bush beans, carrots, beets, turnips, and lettuce (with shade). In zones 8–10, plant fall tomatoes, peppers, and winter squash.
Is it too late to plant a garden in July?▼
Not at all! July is the start of fall garden season. Many crops planted in July produce through October–November. Quick crops like bush beans (50 days), lettuce (30 days), and radishes (25 days) have plenty of time before frost.
How do I start seeds in July heat?▼
Start seeds indoors or in a shaded location — direct sun in July can cook seedlings. Use shade cloth (50–70%) over outdoor seed beds. Water in the morning. Use heat-tolerant lettuce varieties. Start brassicas in cell trays in a cool, shaded spot.
Should I water every day in July?▼
No — deep water 1–2 times per week rather than shallow daily watering. Apply 1 inch per week total. Water early morning to reduce evaporation. Mulch heavily (3 inches) to retain soil moisture. Container plants may need daily watering in extreme heat.
Can I still plant tomatoes in July?▼
In zones 8–10, yes — transplant fast-maturing varieties (Early Girl 52 days, Celebrity 70 days). In zones 5–7, it's generally too late for new tomato plants, but focus on maximizing harvest from existing plants through consistent watering, feeding, and pruning suckers.
When should I order garlic for fall planting?▼
Order seed garlic in July from specialty growers — they sell out by September. Plant garlic in October–November (6 weeks before ground freezes). Each clove produces one full head by the following July. Garlic is one of the highest-value crops per square foot.
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