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When to Plant Cucumber in Lavaca County, TX

Cucumbers are a warm-season vine crop available in slicing and pickling varieties. They are prolific producers when given warmth, moisture, and a trellis to climb.

Lavaca County, Texas is in USDA Zone 8b. The average last spring frost is February 26 and the first fall frost is December 1, giving you a growing season of approximately 278 days.

At an elevation of 254 feet, Lavaca County receives approximately 60.4 inches of rainfall annually with predominantly loam soil. Summer highs average 94ยฐF, providing good warmth for Cucumber during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cucumber root diseases.

Lavaca County, TX (Zone 8b) Year-round
278 days
Last Spring Frost February 26
278 growing days
First Fall Frost December 1

Lavaca County Soil Profile

Soil Type

Loam

Soil pH

6.2-7.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (155 days to spare)
Start indoors: Jan 15 Transplant: Feb 26 🍅 Harvest: Apr 23 – Jun 18
Recommended (50%) ✓ Fits season (152 days to spare)
Start indoors: Jan 29 Transplant: Mar 12 🍅 Harvest: May 7 – Jul 2
Safe Start (90%) ✓ Fits season (146 days to spare)
Start indoors: Feb 21 Transplant: Apr 4 🍅 Harvest: May 30 – Jul 25

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
1.5″/week
Rainfall provides
0.9″/week
You supply
1.0″/week
Watering frequency 2-3 times/week
Season total 2,584 gal / 100 sq ft
Cucumber needs ~1,230 GDD — county provides 5,719 GDD Excellent fit

Cucumber Planting Timeline โ€” Lavaca County, TX

Cucumber Planting Calendar

Activity When Date Range
Start Indoors January 29 Jan 29 โ€“ Feb 12
Transplant Outdoors March 12 Mar 12 โ€“ Mar 26
Direct Sow March 5 Mar 5 โ€“ Mar 26
Harvest May 7 May 7 โ€“ Jul 2

Plant 0.5" deep ยท 24" apart ยท Rows 48" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

High โ€” keep soil consistently moist

Days to Maturity

50โ€“70 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8b

Growing Season

278 days

Growing Tips for Lavaca County

Direct sow after last frost or start indoors 3 weeks early. Provide a trellis for vining types to save space and improve air circulation. Harvest frequently to encourage production.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
  • Sage

Level Up Your Garden

Frequently Asked Questions

When should I plant Cucumber in Lavaca County, TX?

Lavaca County is in Zone 8b with an average last frost of February 26. Plan your Cucumber planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Lavaca County, TX?

Lavaca County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is February 26 and first fall frost is December 1.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Lavaca 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 Lavaca County, TX. Local conditions may vary. Last updated: April 2026.