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When to Plant Squash (Winter) in USDA Zone 7b

Zone 7b Zone 7b April

Zone 7b gardeners: here's your April plan

April 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 March 28
Avg. first frost November 6
  1. Move squash (winter) from tray to bed

    Pick a cloudy afternoon or evening to plant. Less transplant shock, and your seedlings will barely blink.

  2. Direct-sow squash (winter)

    These tolerate cool soil, so you're not gambling by sowing now.

  3. Begin indoor sowing: squash (winter)

    Label every cell. You will absolutely forget which is which otherwise.

Want it on paper? Download your Zone 7b planting guide →

Winter squash includes butternut, acorn, delicata, and hubbard varieties grown to full maturity with hard rinds for storage. They develop sweet, dense flesh.

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.

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

Squash (Winter) 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 (Winter) planting schedule for that location.

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

Squash (Winter) 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 June 24 Jun 24 – Aug 19

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
June Harvest
July Harvest
August Harvest
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

Moderate — regular watering

Days to Maturity

80–120 days

Soil pH

6 – 7

Zone Temperature Range

°F to °F average annual minimum

Growing Season

235 days (Zone average)

Planting Specifications

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

Succession Planting Squash (Winter) in Zone

3
successive plantings in Zone 's ~235-day season

Sow every 9.1 weeks for continuous harvest throughout the season.

Growing Tips for Squash (Winter) in Zone

Zone has a short growing season (~235 days). Start Squash (Winter) indoors early and use season-extension techniques like row covers and cold frames.

Direct sow after last frost on rich mounds. Allow ample space for sprawling vines. Cure harvested fruits in the sun for 10 days before storing in a cool, dry place.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
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Saving Squash (Winter) 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 Squash (Winter) in Zone 7b?

In Zone 7b, plan your Squash (Winter) 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 (Winter) grow in Zone 7b?

Yes, Squash (Winter) 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 (Winter) (80-120 days to maturity).

When can I harvest Squash (Winter) in Zone 7b?

In Zone 7b, expect to harvest Squash (Winter) from June 24 – August 19. Squash (Winter) takes 80-120 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 (Winter)?

Good companion plants for Squash (Winter) include Corn, Green Beans, Radish. 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.

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: April 2026.

Sources & credits

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