Blog

When to Plant Lima Beans in Denton County, TX

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.

Denton County, Texas is in USDA Zone 8a. The average last spring frost is March 10 and the first fall frost is November 20, giving you a growing season of approximately 255 days.

At an elevation of 1,848 feet, Denton County receives approximately 64.5 inches of rainfall annually with predominantly clay soil. Summer highs average 90Β°F, providing good warmth for Lima Beans during the growing season. Clay soil retains moisture well for Lima Beans, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Lima Beans root diseases.

Denton County, TX (Zone 8a) Long season
255 days
Last Spring Frost March 10
255 growing days
First Fall Frost November 20

Denton County Soil Profile

Soil Type

Clay

Soil pH

6.7-8.1

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 β€” 1.4" 0" ❄️ Dormant
Feb β€” 2.1" 0" ❄️ Dormant
Mar 4.3" 4.2" 0.1" πŸ’§ Light watering
Apr 4.3" 7.5" 0" βœ… Rainfall sufficient
May 4.3" 9.6" 0" βœ… Rainfall sufficient
Jun 4.3" 10.2" 0" βœ… Rainfall sufficient
Jul 4.3" 7.6" 0" βœ… Rainfall sufficient
Aug 4.3" 8" 0" βœ… Rainfall sufficient
Sep 4.3" 6.4" 0" βœ… Rainfall sufficient
Oct 4.3" 3.5" 0.8" πŸ’§ Light watering
Nov 4.3" 2.4" 1.9" πŸ’§ Light watering
Dec β€” 1.6" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Denton County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Lima Beans Planting Timeline β€” Denton County, TX

Lima Beans Planting Calendar

Activity When Date Range
Direct Sow March 17 Mar 17 – Apr 7
Harvest May 19 May 19 – Jun 30

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

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

60–90 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

255 days in Denton County

Growing Tips for Denton 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 Denton County, TX?

Denton County is in Zone 8a with an average last frost of March 10. Plan your Lima Beans planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Denton County, TX?

Denton County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 10 and first fall frost is November 20.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Denton County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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