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When to plant Lima Beans in Franklin County, MA

The best window to plant Lima Beans in Franklin County, is May 16–June 6, when soil warms to 50°F. Last frost typically hits May 9; first frost October 11.

When to Plant Lima Beans in Franklin County, MA

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.

Franklin County, Massachusetts is in USDA Zone 5b. The average last spring frost is May 9 and the first fall frost is October 11, giving you a growing season of approximately 155 days.

At an elevation of 1,016 feet, Franklin County receives approximately 42.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Lima Beans during the growing season.

Franklin County, MA (Zone 5b) Moderate season
155 days
Last Spring Frost May 9
155 growing days
First Fall Frost October 11

Franklin County Soil Profile

Soil Type

Silt Loam

Soil pH

4.8-6.7

Drainage

Well Drained

Monthly Watering Guide for Lima Beans

Lima Beans needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Lima Beans Needs Rainfall You Supplement Action
Jan 2.9" 0" ❄️ Dormant
Feb 3.1" 0" ❄️ Dormant
Mar 3.4" 0" ❄️ Dormant
Apr 3.2" 0" ❄️ Dormant
May 4.3" 4.1" 0.2" 💧 Light watering
Jun 4.3" 4" 0.3" 💧 Light watering
Jul 4.3" 4.2" 0.1" 💧 Light watering
Aug 4.3" 3.5" 0.8" 💧 Light watering
Sep 4.3" 3.6" 0.7" 💧 Light watering
Oct 4.3" 4" 0.3" 💧 Light watering
Nov 3.4" 0" ❄️ Dormant
Dec 2.8" 0" ❄️ Dormant

Water needs are for active growing months only (May–Oct in Franklin County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Lima Beans Planting Timeline — Franklin County, MA

Lima Beans Planting Calendar

Activity When Date Range
Direct Sow May 16 May 16 – Jun 6
Harvest July 18 Jul 18 – Aug 29

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

155 days in Franklin County

Growing Tips for Franklin County

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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Lima Beans in Franklin County, MA?

Franklin County is in Zone 5b with an average last frost of May 9. Plan your Lima Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Franklin County, MA?

Franklin County, Massachusetts is in USDA Hardiness Zone 5b. The average last spring frost is May 9 and first fall frost is October 11.

When should I plant Lima Beans in Franklin County, MA?

In Franklin County, MA, plant Lima Beans after the last frost (around May 9) and before the first frost (around October 11). Best results when soil holds above 50°F.

What growing zone is Franklin County, MA for Lima Beans?

Franklin County sits in USDA Zone 5b. Lima Beans grows reliably in zones 3a through 11b, so it's a good fit here.

Can Lima Beans grow in Franklin County's climate?

Yes — Lima Beans grows well in Franklin County's temperate climate. Franklin County averages a 155-day frost-free season, with last frost around May 9 and first frost around October 11.

🌱

Your Franklin County Garden Planner — Free

A 22-page printable planner built for Franklin County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Franklin County, MA. Local conditions may vary. Last updated: July 2026.

Sources & credits

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