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When to Plant Black Beans in Jasper County, TX

Black beans are a warm-season legume producing small, dark, protein-rich beans that are a staple in Latin American and Caribbean cuisines.

Jasper County, Texas is in USDA Zone 8b. The average last spring frost is March 3 and the first fall frost is November 22, giving you a growing season of approximately 264 days.

At an elevation of 97 feet, Jasper County receives approximately 71.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 97Β°F, so Black Beans may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring β€” great for early planting β€” but Black Beans will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Black Beans root diseases.

Jasper County, TX (Zone 8b) Long season
264 days
Last Spring Frost March 3
264 growing days
First Fall Frost November 22

Jasper County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.3-6.5

Drainage

Well Drained

Monthly Watering Guide for Black Beans

Black 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 Black Beans Needs Rainfall You Supplement Action
Jan β€” 1.6" 0" ❄️ Dormant
Feb β€” 2.7" 0" ❄️ Dormant
Mar 4.3" 4.2" 0.1" πŸ’§ Light watering
Apr 4.3" 7.3" 0" βœ… Rainfall sufficient
May 4.3" 10.8" 0" βœ… Rainfall sufficient
Jun 4.3" 12.7" 0" βœ… Rainfall sufficient
Jul 4.3" 7.8" 0" βœ… Rainfall sufficient
Aug 4.3" 8.4" 0" βœ… Rainfall sufficient
Sep 4.3" 7.2" 0" βœ… Rainfall sufficient
Oct 4.3" 4.9" 0" βœ… Rainfall sufficient
Nov 4.3" 2.3" 2" πŸ’§ Light watering
Dec β€” 1.8" 0" ❄️ Dormant

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

Black Beans Planting Timeline β€” Jasper County, TX

Black Beans Planting Calendar

Activity When Date Range
Direct Sow March 10 Mar 10 – Mar 31
Harvest June 9 Jun 9 – Jul 28

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

Month-by-Month Timeline

MonthActivities
January β€”
February β€”
March Direct Sow
April β€”
May β€”
June Harvest
July Harvest
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

90–120 days

πŸ§ͺ Soil pH

Needs 6–7.5 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8b

πŸ“† Growing Season

264 days in Jasper County

Growing Tips for Jasper County

Direct sow after last frost. Provide support for climbing varieties. Allow pods to dry fully on the vine before harvesting. Thresh dried pods by hand or in a pillowcase.

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 Black Beans in Jasper County, TX?

Jasper County is in Zone 8b with an average last frost of March 3. Plan your Black Beans planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Jasper County, TX?

Jasper County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 3 and first fall frost is November 22.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Jasper County gardeners in Zone 8b 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 Jasper County, TX. Local conditions may vary. Last updated: April 2026.