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When to Plant Zucchini in USDA Zone 7b

Zucchini
Zone 7b Zone 7b July

Your July planting checklist for Zone 7b

July rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Zone 7b.

Avg. last frost April 6
Avg. first frost October 29
  1. Basket week: zucchini

    Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.

A few tasks this July that'll pay off in August
  • First harvests: zucchini
Download your personalised Zone 7b planting plan →
Zucchini

Zucchini is an incredibly prolific summer squash that can produce an abundance of fruit from just a few plants. It is versatile in the kitchen from grilling to baking.

In Zone 7b, the average last spring frost is around March 18 and the first fall frost is around November 8, giving you a growing season of approximately 235 days.

Zone 7b Long season
235 days
Last Spring Frost March 18
235 growing days
First Fall Frost November 8

Zucchini Planting Timeline — Zone 7b

Where Is USDA Zone 7b?

The map below highlights the states that contain Zone 7b. Click any state to see the Zucchini planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Zucchini Planting Calendar — Zone 7b

Activity When Date Range
Start Indoors February 18 Feb 18 – Mar 4
Transplant Outdoors April 1 Apr 1 – Apr 15
Direct Sow March 25 Mar 25 – Apr 15
Harvest May 20 May 20 – Jul 15

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May Harvest
June Harvest
July Harvest
August
September
October
November
December

Free Zone 7b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 7b with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

💧 Water

1.2"/week · Moderate — regular watering

Days to Maturity

45–60 days

Soil pH

6 – 7.5

Zone Temperature Range

5°F to 10°F average annual minimum

Growing Season

235 days (Zone 7b average)

Planting Specifications

Planting Depth1 inches
Plant Spacing30 inches apart
Row Spacing42 inches between rows

Succession Planting Zucchini in Zone 7b

6
successive plantings in Zone 7b's ~235-day season

Sow every 5.1 weeks for continuous harvest throughout the season.

Growing Tips for Zucchini in Zone 7b

Direct sow after last frost. Harvest when fruits are 6-8 inches long for best flavor and texture. Check plants daily in summer as fruits can double in size overnight.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
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Saving Zucchini Seeds

Recommended for Your Garden

🌱
Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

🧪
Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

🏷️
Garden Plant Markers $6-12

Keep your garden organized with durable, weather-resistant plant labels.

Related Plants

Frequently Asked Questions

When should I plant Zucchini in Zone 7b?

In Zone 7b, plan your Zucchini planting around the average last frost date of March 18. Start seeds indoors around February 18. Direct sow outdoors around March 25. Transplant seedlings around April 1.

Can Zucchini grow in Zone 7b?

Yes, Zucchini can grow well in Zone 7b, hardy in USDA zones 3a through 11b. Zone 7b has a growing season of approximately 235 days, which is sufficient for Zucchini (45-60 days to maturity).

When can I harvest Zucchini in Zone 7b?

In Zone 7b, expect to harvest Zucchini from May 20 – July 15. Zucchini takes 45-60 days from planting to harvest.

What is the last frost date for Zone 7b?

The average last spring frost in Zone 7b is around March 18, and the first fall frost is around November 8. This gives a growing season of approximately 235 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Zucchini?

Good companion plants for Zucchini include Corn, Green Beans, Basil, Borage. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Your Zone 7b Garden Planner — Free

A 22-page printable planner tailored to Zone 7b. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.