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When to Plant Green Beans in Camden County, NJ

Camden County, New Jersey Zone 7b May

Your May gardening checklist

A quick May briefing for Camden County, New Jersey gardeners — what's urgent, what's next, and what can wait.

Avg. last frost April 5
Avg. first frost November 12
Soil temp (4") 69°F
Watering Low
Pest pressure Moderate
Daylight 14.2 hrs
To set up a strong June, finish these tasks
  • First harvests: green beans

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Green beans are a warm-season staple available as bush or pole types. Bush beans produce a concentrated harvest while pole beans provide a longer picking season.

Camden County, New Jersey is in USDA Zone 7b. The average last spring frost is April 5 and the first fall frost is November 12, giving you a growing season of approximately 221 days.

At an elevation of 561 feet, Camden County receives approximately 43.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Green Beans during the growing season.

Camden County, NJ (Zone 7b) Long season
221 days
Last Spring Frost April 5
221 growing days
First Fall Frost November 12
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Camden County Soil Profile

Soil Type

Silt Loam

Soil pH

5-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (110 days to spare)
Transplant: Mar 24 🍅 Harvest: May 19 – Jul 14
Recommended (50%) ✓ Fits season (109 days to spare)
Transplant: Apr 5 🍅 Harvest: May 31 – Jul 26
Safe Start (90%) ✓ Fits season (109 days to spare)
Transplant: Apr 28 🍅 Harvest: Jun 23 – Aug 18

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 Camden County

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

Soil pH

Your soil pH (5.0–6.4) is more acidic than Green Beans prefers (6.0–7.0). Add garden lime to raise pH.

Soil Texture

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

Organic Matter

Organic matter is moderate (3.0%). Annual compost additions will help Green Beans.

How to Plant Green Beans

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

Succession Planting Green Beans

5
successive plantings in your 221-day season

Sow every 5.7 weeks. Last sowing by Sep 08 to harvest before frost.

Plant Water Budget

Plant needs
0.9″/week
Rainfall provides
0.8″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 137 gal / 100 sq ft

Monthly Watering Guide for Green Beans

Green Beans needs approximately 0.9 inches of water per week (3.9" per month). Here's how your county's rainfall compares month by month.

Month Green Beans Needs Rainfall You Supplement Action
Jan 3.1" 0" ❄️ Dormant
Feb 2.9" 0" ❄️ Dormant
Mar 3.3" 0" ❄️ Dormant
Apr 3.9" 3.6" 0.3" 💧 Light watering
May 3.9" 4.3" 0" ✅ Rainfall sufficient
Jun 3.9" 3.9" 0" ✅ Rainfall sufficient
Jul 3.9" 4.3" 0" ✅ Rainfall sufficient
Aug 3.9" 4.1" 0" ✅ Rainfall sufficient
Sep 3.9" 4" 0" ✅ Rainfall sufficient
Oct 3.9" 3.4" 0.5" 💧 Light watering
Nov 3.9" 3.3" 0.6" 💧 Light watering
Dec 3.5" 0" ❄️ Dormant

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

Green 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.

Green Beans needs ~963 GDD — county provides 3,701 GDD Excellent fit

Green Beans Planting Timeline — Camden County, NJ

Green Beans Planting Calendar

Activity When Date Range
Direct Sow April 12 Apr 12 – May 3
Harvest June 7 Jun 7 – Aug 2

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 Harvest
September
October
November
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.9"/week · Only during dry spells

📅 Days to Maturity

50–65 days

🧪 Soil pH

Needs 6–7 · Your soil: too_acidic

🗺️ USDA Zone

Zone 7b

📆 Growing Season

221 days in Camden County

Growing Tips for Green Beans in Camden County

Direct sow Green Beans outdoors after April 05 in Camden County when soil has warmed and frost danger has passed.

Common pests for Green 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 last frost when soil is warm. Provide sturdy supports for pole varieties. Pick beans regularly when young and tender to encourage continued production.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic
  • Fennel

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Green Beans Seeds
Life Cycle Annual
Pollination Self-Pollinating
How to Collect Allow pods to dry fully on vine until they rattle.
Storage Store airtight; viable 4 years at 35°F, under 45% humidity.

Avoid harvesting during damp weather. Isolate 25 ft between varieties.

Frequently Asked Questions

When should I plant Green Beans in Camden County, NJ?

Camden County is in Zone 7b with an average last frost of April 5. Plan your Green Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Camden County, NJ?

Camden County, New Jersey is in USDA Hardiness Zone 7b. The average last spring frost is April 5 and first fall frost is November 12.

🌱

Your Camden County Garden Planner — Free

A 24-page printable planner built for Camden County (Zone 7b). 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 Camden County, NJ. 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.