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When to Plant Eggplant in USDA Zone 6b

Zone 6b Zone 6b April

What to do in April

A quick April briefing for Zone 6b gardeners — what's urgent, what's next, and what can wait.

Avg. last frost April 16
Avg. first frost October 23
  1. Harden off and plant eggplant

    Your last frost (April 16) has passed. These warm-season crops can handle outdoor soil now.

  2. Put eggplant seeds straight in the ground

    Mark the row. Birds and stray feet both have opinions about unmarked beds.

Get your free Zone 6b 2026 Planting Guide →
Eggplant

Eggplant is a heat-loving solanaceous crop that produces glossy fruits in purple, white, or striped varieties. It requires long, warm growing seasons for best production.

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

Eggplant 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 Eggplant planting schedule for that location.

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

Eggplant Planting Calendar — Zone 6b

Activity When Date Range
Start Indoors January 23 Jan 23 – Feb 6
Transplant Outdoors April 17 Apr 17 – May 1
Direct Sow April 10 Apr 10 – May 1
Harvest June 26 Jun 26 – Aug 28

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

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors
March
April Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow
June Harvest
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

1.1"/week · Moderate — regular watering

Days to Maturity

65–85 days

Soil pH

5.5 – 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 Eggplant in Zone

3
successive plantings in Zone 's ~205-day season

Sow every 7.4 weeks for continuous harvest throughout the season.

Growing Tips for Eggplant in Zone

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

Start seeds indoors 8-10 weeks before last frost. Transplant only after nighttime temperatures stay above 55F. Mulch to retain moisture and warmth around roots.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel
  • Kohlrabi
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Saving Eggplant 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 Eggplant in Zone 6b?

In Zone 6b, plan your Eggplant planting around the average last frost date of April 3. Start seeds indoors around January 23. Direct sow outdoors around April 10. Transplant seedlings around April 17.

Can Eggplant grow in Zone 6b?

Yes, Eggplant can grow well in Zone 6b, hardy in USDA zones 5a through 11b. Zone 6b has a growing season of approximately 205 days, which is sufficient for Eggplant (65-85 days to maturity).

When can I harvest Eggplant in Zone 6b?

In Zone 6b, expect to harvest Eggplant from June 26 – August 28. Eggplant takes 65-85 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 Eggplant?

Good companion plants for Eggplant include Peppers, Basil, Spinach. 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: April 2026.

Sources & credits

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