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When to Plant Fava Beans in Zapata County, TX

Fava beans are a cool-season legume with large, meaty beans inside thick pods. They fix nitrogen in the soil and are one of the oldest cultivated crops.

Zapata County, Texas is in USDA Zone 9a. The average last spring frost is February 3 and the first fall frost is December 14, giving you a growing season of approximately 314 days.

At an elevation of 3,340 feet, Zapata County receives approximately 60.6 inches of rainfall annually with predominantly loam soil. Summer highs average 103ยฐF, so Fava Beans may need afternoon shade and extra watering during peak heat. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Fava Beans root diseases.

Zapata County, TX (Zone 9a) Year-round
314 days
Last Spring Frost February 3
314 growing days
First Fall Frost December 14

Zapata County Soil Profile

Soil Type

Loam

Soil pH

6.2-7.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (204 days to spare)
Start indoors: Dec 20 Transplant: Jan 17 🍅 Harvest: Apr 4 – May 16
Recommended (50%) ✓ Fits season (195 days to spare)
Start indoors: Jan 6 Transplant: Feb 3 🍅 Harvest: Apr 21 – Jun 2
Safe Start (90%) ✓ Fits season (181 days to spare)
Start indoors: Jan 30 Transplant: Feb 27 🍅 Harvest: May 15 – Jun 26

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
0.8″/week
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 538 gal / 100 sq ft
Fava Beans needs ~2,384 GDD — county provides 8,583 GDD Excellent fit

Fava Beans Planting Timeline โ€” Zapata County, TX

Fava Beans Planting Calendar

Activity When Date Range
Start Indoors January 6 Jan 6 โ€“ Jan 20
Transplant Outdoors February 3 Feb 3 โ€“ Feb 17
Direct Sow January 13 Jan 13 โ€“ Feb 3
Fall Sowing October 19 Oct 19 โ€“ Nov 2
Harvest April 21 Apr 21 โ€“ Jun 2

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

75โ€“100 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 9a

Growing Season

314 days

Growing Tips for Zapata County

Direct sow as early as soil can be worked in spring. Pinch growing tips when pods begin to form to redirect energy and reduce aphid problems. Stake tall varieties.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Level Up Your Garden

Frequently Asked Questions

When should I plant Fava Beans in Zapata County, TX?

Zapata County is in Zone 9a with an average last frost of February 3. Plan your Fava Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Zapata County, TX?

Zapata County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 3 and first fall frost is December 14.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Zapata County gardeners in Zone 9a 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 Zapata County, TX. Local conditions may vary. Last updated: April 2026.