When to Plant Squash (Summer) in USDA Zone 8b
Top priorities for Zone 8b gardeners in April
Welcome to April in Zone 8b. These are the moves that will have the biggest impact on your growing season.
-
Get squash (summer) seeds going inside
Your window is short. These crops want several weeks of indoor growth before they go outside.
Looking ahead to 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 8b, the average last spring frost is around February 25 and the first fall frost is around November 28, giving you a growing season of approximately 276 days.
Squash (Summer) Planting Timeline — Zone 8b
Where Is USDA Zone 8b?
The map below highlights the states that contain Zone 8b. Click any state to see the Squash (Summer) planting schedule for that location.
Squash (Summer) Planting Calendar — Zone 8b
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 28 | Jan 28 – Feb 11 |
| Transplant Outdoors | March 11 | Mar 11 – Mar 25 |
| Direct Sow | March 4 | Mar 4 – Mar 25 |
| Harvest | April 29 | Apr 29 – Jul 1 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Start Indoors |
| March | Transplant Outdoors Direct Sow |
| April | Harvest |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Free Zone 8b Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 8b 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
276 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 (~276 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
The Gardener's Encyclopedia to Companion Planting
The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.
- Proven pairings for 200+ vegetables, herbs, flowers, and fruits
- Full seed-starting + planting schedule with timing and spacing
- Bonus: square-foot gardening guide + printable seasonal planners
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 8b?
In Zone 8b, plan your Squash (Summer) planting around the average last frost date of February 25. Start seeds indoors around January 28. Direct sow outdoors around March 4. Transplant seedlings around March 11.
Can Squash (Summer) grow in Zone 8b?
Yes, Squash (Summer) can grow well in Zone 8b, hardy in USDA zones 3a through 11b. Zone 8b has a growing season of approximately 276 days, which is sufficient for Squash (Summer) (45-65 days to maturity).
When can I harvest Squash (Summer) in Zone 8b?
In Zone 8b, expect to harvest Squash (Summer) from April 29 – July 1. Squash (Summer) takes 45-65 days from planting to harvest.
What is the last frost date for Zone 8b?
The average last spring frost in Zone 8b is around February 25, and the first fall frost is around November 28. This gives a growing season of approximately 276 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.