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When to Plant Yard Long Beans in Overton County, TN

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.

Overton County, Tennessee is in USDA Zone 7a. The average last spring frost is April 12 and the first fall frost is October 27, giving you a growing season of approximately 198 days.

At an elevation of 2,069 feet, Overton County receives approximately 47.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Yard Long Beans during the growing season.

Overton County, TN (Zone 7a) Moderate season
198 days
Last Spring Frost April 12
198 growing days
First Fall Frost October 27
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Overton County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-6.6

Drainage

Well Drained

Monthly Watering Guide for Yard Long Beans

Yard Long 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 Yard Long Beans Needs Rainfall You Supplement Action
Jan 3.7" 0" ❄️ Dormant
Feb 3.4" 0" ❄️ Dormant
Mar 4.9" 0" ❄️ Dormant
Apr 4.3" 3.3" 1" 💧 Light watering
May 4.3" 4" 0.3" 💧 Light watering
Jun 4.3" 4.2" 0.1" 💧 Light watering
Jul 4.3" 4.5" 0" ✅ Rainfall sufficient
Aug 4.3" 5.3" 0" ✅ Rainfall sufficient
Sep 4.3" 3.5" 0.8" 💧 Light watering
Oct 4.3" 2.9" 1.4" 💧 Light watering
Nov 4.1" 0" ❄️ Dormant
Dec 3.7" 0" ❄️ Dormant

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

Yard Long Beans Planting Timeline — Overton County, TN

Yard Long Beans Planting Calendar

Activity When Date Range
Start Indoors February 22 Feb 22 – Mar 8
Transplant Outdoors April 26 Apr 26 – May 10
Direct Sow April 19 Apr 19 – May 10
Harvest June 21 Jun 21 – Aug 2

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

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March Start Indoors
April Transplant Outdoors Direct Sow
May Transplant Outdoors 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

Moderate — regular watering

📅 Days to Maturity

55–80 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

198 days in Overton County

Growing Tips for Overton 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Yard Long Beans in Overton County, TN?

Overton County is in Zone 7a with an average last frost of April 12. Plan your Yard Long Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Overton County, TN?

Overton County, Tennessee is in USDA Hardiness Zone 7a. The average last spring frost is April 12 and first fall frost is October 27.

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Your Overton County Garden Planner — Free

A 24-page printable planner built for Overton County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Overton County, TN. 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.