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When to Plant Delicata Squash in USDA Zone 6a

Zone 6a Zone 6a May

What to do in May

We've pulled the most time-sensitive tasks for Zone 6a this May and put them front and centre. Tackle them in order.

Avg. last frost April 27
Avg. first frost October 16
  1. Transplant delicata squash outside

    Pinch off the lowest leaves on each seedling before you plant — it reduces water loss while the roots catch up.

  2. Plant delicata squash from seed, right in the garden

    Rake a smooth bed, make a shallow furrow, drop seeds at the spacing on the packet, water gently, walk away.

June prep starts now
  • Starting indoors: delicata squash
Want it on paper? Download your Zone 6a planting guide →

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 6a, the average last spring frost is around April 10 and the first fall frost is around October 20, giving you a growing season of approximately 193 days.

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Zone 6a Moderate season
193 days
Last Spring Frost April 10
193 growing days
First Fall Frost October 20

Delicata Squash Planting Timeline — Zone 6a

Where Is USDA Zone 6a?

The map below highlights the states that contain Zone 6a. 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 6a

Activity When Date Range
Start Indoors March 6 Mar 6 – Mar 20
Transplant Outdoors April 24 Apr 24 – May 8
Direct Sow April 17 Apr 17 – May 8
Harvest July 17 Jul 17 – Aug 21

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

Month-by-Month Timeline

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

Free Zone 6a Planting Calendar PDF

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

193 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 ~193-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 (~193 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 6a?

In Zone 6a, plan your Delicata Squash planting around the average last frost date of April 10. Start seeds indoors around March 6. Direct sow outdoors around April 17. Transplant seedlings around April 24.

Can Delicata Squash grow in Zone 6a?

Yes, Delicata Squash can grow well in Zone 6a, hardy in USDA zones 3a through 11b. Zone 6a has a growing season of approximately 193 days, which is sufficient for Delicata Squash (80-100 days to maturity).

When can I harvest Delicata Squash in Zone 6a?

In Zone 6a, expect to harvest Delicata Squash from July 17 – August 21. Delicata Squash takes 80-100 days from planting to harvest.

What is the last frost date for Zone 6a?

The average last spring frost in Zone 6a is around April 10, and the first fall frost is around October 20. This gives a growing season of approximately 193 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.

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: May 2026.

Sources & credits

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