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When to Plant Kidney Beans in Androscoggin County, ME

Androscoggin County, Maine Zone 5b May

This month in Androscoggin County, Maine

May is a pivotal month for Androscoggin County, Maine gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost May 8
Avg. first frost October 6
Soil temp (4") 56°F
Watering Moderate
Pest pressure Low
Daylight 14.6 hrs
  1. Plant kidney beans 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.

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Kidney beans are a popular dry bean variety named for their shape, available in red and white types. They are the classic bean for chili and red beans and rice.

Androscoggin County, Maine is in USDA Zone 5b. The average last spring frost is May 8 and the first fall frost is October 6, giving you a growing season of approximately 151 days.

At an elevation of 1,087 feet, Androscoggin County receives approximately 40.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Kidney Beans during the growing season.

Androscoggin County, ME (Zone 5b) Moderate season
151 days
Last Spring Frost May 8
151 growing days
First Fall Frost October 6

Androscoggin County Soil Profile

Soil Type

Silt Loam

Soil pH

5.2-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (26 days to spare)
Transplant: Apr 30 🍅 Harvest: Jul 30 – Sep 3
Recommended (50%) ✓ Fits season (25 days to spare)
Transplant: May 8 🍅 Harvest: Aug 7 – Sep 11
Safe Start (90%) ✓ Fits season (24 days to spare)
Transplant: May 26 🍅 Harvest: Aug 25 – Sep 29

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Androscoggin County

How your county's soil matches Kidney Beans's growing requirements.

Soil pH

Your soil pH (5.2–6.4) is more acidic than Kidney Beans prefers (6.0–7.5). Add garden lime to raise pH.

Soil Texture

The silt loam soil in Androscoggin County is excellent for Kidney Beans — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (3.4%). Annual compost additions will help Kidney Beans.

How to Plant Kidney Beans

1"
Planting Depth
15"
Between Plants
24"
Between Rows

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Kidney Beans

Kidney 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 Kidney Beans Needs Rainfall You Supplement Action
Jan 3.4" 0" ❄️ Dormant
Feb 2.7" 0" ❄️ Dormant
Mar 3.9" 0" ❄️ Dormant
Apr 3.9" 0" ❄️ Dormant
May 4.3" 3.3" 1" 💧 Light watering
Jun 4.3" 3.5" 0.8" 💧 Light watering
Jul 4.3" 4.7" 0" ✅ Rainfall sufficient
Aug 4.3" 3.5" 0.8" 💧 Light watering
Sep 4.3" 3.2" 1.1" 💧 Light watering
Oct 4.3" 3" 1.3" 💧 Light watering
Nov 2.8" 0" ❄️ Dormant
Dec 3" 0" ❄️ Dormant

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

Kidney Beans Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Kidney Beans needs ~1,487 GDD — county provides 2,302 GDD Excellent fit

Kidney Beans Planting Timeline — Androscoggin County, ME

Kidney Beans Planting Calendar

Activity When Date Range
Direct Sow May 15 May 15 – Jun 5
Harvest August 14 Aug 14 – Sep 18

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

85–110 days

🧪 Soil pH

Needs 6–7.5 · Your soil: too_acidic

🗺️ USDA Zone

Zone 5b

📆 Growing Season

151 days in Androscoggin County

Growing Tips for Kidney Beans in Androscoggin County

Direct sow Kidney Beans outdoors after May 08 in Androscoggin County when soil has warmed and frost danger has passed.

Common pests for Kidney Beans in this region include bean beetles and aphids. Use row covers early in the season and inspect plants weekly.

General growing tips

Direct sow after frost. Allow pods to dry completely on the plant. Kidney beans must be thoroughly cooked as raw or undercooked beans contain harmful lectins.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Kidney Beans in Androscoggin County, ME?

Androscoggin County is in Zone 5b with an average last frost of May 8. Plan your Kidney Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Androscoggin County, ME?

Androscoggin County, Maine is in USDA Hardiness Zone 5b. The average last spring frost is May 8 and first fall frost is October 6.

🌱

Your Androscoggin County Garden Planner — Free

A 24-page printable planner built for Androscoggin 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 Androscoggin County, ME. 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.