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When to Plant Yard Long Beans in Schuyler County, IL

Yard long beans are a tropical legume that produces slender pods up to 24 inches long. They are a staple in Southeast Asian cooking and thrive in hot weather.

Schuyler County, Illinois is in USDA Zone 5b. The average last spring frost is April 16 and the first fall frost is October 20, giving you a growing season of approximately 187 days.

At an elevation of 1,174 feet, Schuyler County receives approximately 41.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85ยฐF, providing good warmth for Yard Long Beans during the growing season.

Schuyler County, IL (Zone 5b) Moderate season
187 days
Last Spring Frost April 16
187 growing days
First Fall Frost October 20

Schuyler County Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (72 days to spare)
Start indoors: Feb 13 Transplant: Apr 24 🍅 Harvest: Jun 19 – Jul 31
Recommended (50%) ✓ Fits season (75 days to spare)
Start indoors: Feb 19 Transplant: Apr 30 🍅 Harvest: Jun 25 – Aug 6
Safe Start (90%) ✓ Fits season (73 days to spare)
Start indoors: Mar 5 Transplant: May 14 🍅 Harvest: Jul 9 – Aug 20

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.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 140 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Yard Long Beans needs ~928 GDD — county provides 2,571 GDD Excellent fit

Yard Long Beans Planting Timeline โ€” Schuyler County, IL

Yard Long Beans Planting Calendar

Activity When Date Range
Start Indoors February 19 Feb 19 โ€“ Mar 5
Transplant Outdoors April 30 Apr 30 โ€“ May 14
Direct Sow April 23 Apr 23 โ€“ May 14
Harvest June 25 Jun 25 โ€“ Aug 6

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Start Indoors
April Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow
June Harvest
July Harvest
August Harvest
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

55โ€“80 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 5b

Growing Season

187 days

Growing Tips for Schuyler County

Direct sow after soil is warm. Provide tall poles or trellising as vines can reach 8-10 feet. Harvest when pods are pencil-thick before seeds bulge. Cook quickly for best texture.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Level Up Your Garden

Frequently Asked Questions

When should I plant Yard Long Beans in Schuyler County, IL?

Schuyler County is in Zone 5b with an average last frost of April 16. Plan your Yard Long Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Schuyler County, IL?

Schuyler County, Illinois is in USDA Hardiness Zone 5b. The average last spring frost is April 16 and first fall frost is October 20.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Schuyler County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.

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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 Schuyler County, IL. Local conditions may vary. Last updated: April 2026.