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When to Plant Delicata Squash in USDA Zone 6b

Zone 6b Zone 6b May

Zone 6b gardeners: here's your May plan

Welcome to May in Zone 6b. These are the moves that will have the biggest impact on your growing season.

Avg. last frost April 18
Avg. first frost October 21
  1. Set out delicata squash seedlings

    Frost risk is low now in Zone 6b. If you've been covering beds overnight, you can stop.

  2. Indoor seed-starting week for delicata squash

    Give them 6–8 weeks indoors before the last frost and you'll transplant into warm soil with seedlings that are already leaping.

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Delicata squash is a winter squash with an edible skin and sweet, creamy orange flesh. Its compact vines make it suitable for smaller gardens.

In Zone 6b, the average last spring frost is around April 3 and the first fall frost is around October 25, giving you a growing season of approximately 205 days.

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Zone 6b Long season
205 days
Last Spring Frost April 3
205 growing days
First Fall Frost October 25

Delicata Squash Planting Timeline — Zone 6b

Where Is USDA Zone 6b?

The map below highlights the states that contain Zone 6b. Click any state to see the Delicata Squash planting schedule for that location.

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

Delicata Squash Planting Calendar — Zone 6b

Activity When Date Range
Start Indoors February 27 Feb 27 – Mar 13
Transplant Outdoors April 17 Apr 17 – May 1
Direct Sow April 10 Apr 10 – May 1
Harvest July 10 Jul 10 – Aug 14

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

Month-by-Month Timeline

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

Free Zone 6b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 6b 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

80–100 days

Soil pH

6 – 7

Zone Temperature Range

°F to °F average annual minimum

Growing Season

205 days (Zone average)

Planting Specifications

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

Succession Planting Delicata Squash in Zone

2
successive plantings in Zone 's ~205-day season

Sow every 9.1 weeks for continuous harvest throughout the season.

Growing Tips for Delicata Squash in Zone

Zone has a short growing season (~205 days). Start Delicata Squash indoors early and use season-extension techniques like row covers and cold frames.

Direct sow after last frost on mounds. Harvest when skin is hard and ivory with green stripes. The thin skin does not need peeling. Stores 2-3 months in a cool place.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
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Saving Delicata Squash 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 Delicata Squash in Zone 6b?

In Zone 6b, plan your Delicata Squash planting around the average last frost date of April 3. Start seeds indoors around February 27. Direct sow outdoors around April 10. Transplant seedlings around April 17.

Can Delicata Squash grow in Zone 6b?

Yes, Delicata Squash can grow well in Zone 6b, hardy in USDA zones 3a through 11b. Zone 6b has a growing season of approximately 205 days, which is sufficient for Delicata Squash (80-100 days to maturity).

When can I harvest Delicata Squash in Zone 6b?

In Zone 6b, expect to harvest Delicata Squash from July 10 – August 14. Delicata Squash takes 80-100 days from planting to harvest.

What is the last frost date for Zone 6b?

The average last spring frost in Zone 6b is around April 3, and the first fall frost is around October 25. This gives a growing season of approximately 205 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Delicata Squash?

Good companion plants for Delicata Squash 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.

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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: May 2026.

Sources & credits

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