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When to Plant Cucumber in Grimes 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.

Grimes County, Texas is in USDA Zone 8b. The average last spring frost is February 25 and the first fall frost is December 1, giving you a growing season of approximately 279 days.

At an elevation of 33 feet, Grimes County receives approximately 65.2 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 91ยฐF, providing good warmth for Cucumber during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Cucumber will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cucumber root diseases.

Grimes County, TX (Zone 8b) Year-round
279 days
Last Spring Frost February 25
279 growing days
First Fall Frost December 1

Grimes County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.8-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (157 days to spare)
Start indoors: Jan 15 Transplant: Feb 26 🍅 Harvest: Apr 23 – Jun 18
Recommended (50%) ✓ Fits season (153 days to spare)
Start indoors: Jan 28 Transplant: Mar 11 🍅 Harvest: May 6 – Jul 1
Safe Start (90%) ✓ Fits season (156 days to spare)
Start indoors: Feb 11 Transplant: Mar 25 🍅 Harvest: May 20 – Jul 15

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
1.0″/week
You supply
1.2″/week
Watering frequency 2-3 times/week
Season total 2,907 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Cucumber needs ~1,095 GDD — county provides 5,110 GDD Excellent fit

Cucumber Planting Timeline โ€” Grimes County, TX

Cucumber Planting Calendar

Activity When Date Range
Start Indoors January 28 Jan 28 โ€“ Feb 11
Transplant Outdoors March 11 Mar 11 โ€“ Mar 25
Direct Sow March 4 Mar 4 โ€“ Mar 25
Harvest May 6 May 6 โ€“ Jul 1

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

279 days

Growing Tips for Grimes 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 Grimes County, TX?

Grimes County is in Zone 8b with an average last frost of February 25. Plan your Cucumber planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Grimes County, TX?

Grimes County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is February 25 and first fall frost is December 1.

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Plan Your Garden with Confidence

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