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When to Plant Lima Beans in USDA Zone 6b

Zone 6b Zone 6b May

Your May game plan for Zone 6b

Here's what deserves your attention in Zone 6b this month. Everything below is tailored to Zone 6b and timed around your local frost dates.

Avg. last frost April 18
Avg. first frost October 21
June will be here before you know it — start on
  • First harvests: lima beans
Download your personalised Zone 6b planting plan →

Lima beans are a warm-season legume producing large, creamy beans with a buttery texture. Both bush and pole varieties are available, with pole types yielding more.

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

Lima Beans 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 Lima Beans planting schedule for that location.

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

Lima Beans Planting Calendar — Zone 6b

Activity When Date Range
Direct Sow April 10 Apr 10 – May 1
Harvest June 12 Jun 12 – Jul 24

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April Direct Sow
May Direct Sow
June Harvest
July Harvest
August
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

60–90 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 Spacing15 inches apart
Row Spacing24 inches between rows

Succession Planting Lima Beans in Zone

4
successive plantings in Zone 's ~205-day season

Sow every 6.9 weeks for continuous harvest throughout the season.

Growing Tips for Lima Beans in Zone

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

Direct sow after soil is thoroughly warm at 65F or above. Do not soak seeds before planting as they may crack. Harvest when pods are plump but still green for fresh limas.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic
  • Fennel
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Saving Lima Beans 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 Lima Beans in Zone 6b?

In Zone 6b, plan your Lima Beans planting around the average last frost date of April 3. Direct sow outdoors around April 10.

Can Lima Beans grow in Zone 6b?

Yes, Lima Beans 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 Lima Beans (60-90 days to maturity).

When can I harvest Lima Beans in Zone 6b?

In Zone 6b, expect to harvest Lima Beans from June 12 – July 24. Lima Beans takes 60-90 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 Lima Beans?

Good companion plants for Lima Beans include Corn, Squash Summer, Carrots. 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.