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When to Plant Luffa in Sherman County, TX

Luffa is a tropical vine that produces edible young fruits and natural sponges from mature dried fruits. Young fruits are eaten like zucchini in many Asian cuisines.

Sherman County, Texas is in USDA Zone 6b. The average last spring frost is April 20 and the first fall frost is October 18, giving you a growing season of approximately 181 days.

At an elevation of 3,372 feet, Sherman County receives approximately 46.5 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 91ยฐF, providing good warmth for Luffa during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Luffa will need more frequent watering and organic matter to retain nutrients.

Sherman County, TX (Zone 6b) Moderate season
181 days
Last Spring Frost April 20
181 growing days
First Fall Frost October 18

Sherman County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.6-8.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Start indoors: Feb 17 Transplant: Apr 28 🍅 Harvest: Jul 28 – Oct 13
Recommended (50%) ✗ May not fit
Start indoors: Feb 23 Transplant: May 4 🍅 Harvest: Aug 3 – Oct 19
Safe Start (90%) ✓ Fits season (0 days to spare)
Start indoors: Mar 11 Transplant: May 20 🍅 Harvest: Aug 19 – Nov 4

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
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

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

Luffa needs ~2,190 GDD — county provides 3,303 GDD Excellent fit

Luffa Planting Timeline โ€” Sherman County, TX

Luffa Planting Calendar

Activity When Date Range
Start Indoors February 23 Feb 23 โ€“ Mar 9
Transplant Outdoors May 4 May 4 โ€“ May 18
Direct Sow April 27 Apr 27 โ€“ May 18
Harvest August 3 Aug 3 โ€“ Oct 19

Plant 1" deep ยท 30" apart ยท Rows 42" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

90โ€“150 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 6b

Growing Season

181 days

Growing Tips for Sherman County

Start seeds indoors 4-6 weeks early. Provide a very strong trellis for heavy vines. Harvest young for eating or let mature fully on the vine for sponges. Requires a long, hot season.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Luffa in Sherman County, TX?

Sherman County is in Zone 6b with an average last frost of April 20. Plan your Luffa planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Sherman County, TX?

Sherman County, Texas is in USDA Hardiness Zone 6b. The average last spring frost is April 20 and first fall frost is October 18.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Sherman County gardeners in Zone 6b 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 Sherman County, TX. Local conditions may vary. Last updated: April 2026.