When to Plant Squash (Summer) in USDA Zone 7b
Your April planting checklist for Zone 7b
April is a pivotal month for Zone 7b gardens. Focus on these tasks first and you'll set up the rest of the season for success.
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Set out squash (summer) seedlings
Plant tomatoes deep — bury the stem up to the first true leaves to grow extra roots. Everything else goes in at the same depth it grew in the tray.
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Outdoor sowing time: squash (summer)
Succession planting is the secret here. Put in a row now, another in 2 weeks, a third in 4.
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Begin indoor sowing: squash (summer)
Your window is short. These crops want several weeks of indoor growth before they go outside.
Get ahead of May
- First harvests: squash (summer)
Summer squash includes zucchini, yellow crookneck, and pattypan varieties that are harvested young and tender. They are prolific producers in warm weather.
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.
Squash (Summer) 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 Squash (Summer) planting schedule for that location.
Squash (Summer) 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 22 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| 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.
Growing Conditions
Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
Days to Maturity
45–65 days
Soil pH
6 – 7.5
Zone Temperature Range
°F to °F average annual minimum
Growing Season
235 days (Zone average)
Planting Specifications
| Planting Depth | 1 inches |
| Plant Spacing | 30 inches apart |
| Row Spacing | 42 inches between rows |
Succession Planting Squash (Summer) in Zone
Sow every 5.1 weeks for continuous harvest throughout the season.
Growing Tips for Squash (Summer) in Zone
Zone has a short growing season (~235 days). Start Squash (Summer) indoors early and use season-extension techniques like row covers and cold frames.
Direct sow after last frost on mounds. Harvest frequently when fruits are 6-8 inches for best texture. Check plants daily as they grow rapidly in summer heat.
Companion Planting
Good Companions
Avoid Planting Near
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Saving Squash (Summer) Seeds
Recommended for Your Garden
Start seeds indoors with reusable cell trays and humidity domes.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Keep your garden organized with durable, weather-resistant plant labels.
Related Plants
Squash (Summer) in Other Zones
Squash (Summer) by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
When should I plant Squash (Summer) in Zone 7b?
In Zone 7b, plan your Squash (Summer) 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 Squash (Summer) grow in Zone 7b?
Yes, Squash (Summer) 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 Squash (Summer) (45-65 days to maturity).
When can I harvest Squash (Summer) in Zone 7b?
In Zone 7b, expect to harvest Squash (Summer) from May 20 – July 22. Squash (Summer) takes 45-65 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 Squash (Summer)?
Good companion plants for Squash (Summer) include Corn, Green Beans, Radish, Borage. These companions can help with pest control, pollination, and nutrient sharing.
Your Free Printable Garden Planner
A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.