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When to Plant Romanesco in Pendleton County, WV

Romanesco is a stunning brassica with a lime-green head composed of fractal-patterned spiraling florets. It has a nuttier, milder flavor than cauliflower.

Pendleton County, West Virginia is in USDA Zone 5b. The average last spring frost is April 28 and the first fall frost is October 17, giving you a growing season of approximately 172 days.

At an elevation of 3,889 feet, Pendleton County receives approximately 50.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84ยฐF, so choose short-season varieties of Romanesco to ensure they mature before fall. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Romanesco root diseases.

Pendleton County, WV (Zone 5b) Moderate season
172 days
Last Spring Frost April 28
172 growing days
First Fall Frost October 17

Pendleton County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-6.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (55 days to spare)
Start indoors: Mar 13 Transplant: Apr 17 🍅 Harvest: Jul 3 – Aug 14
Recommended (50%) ✓ Fits season (53 days to spare)
Start indoors: Mar 24 Transplant: Apr 28 🍅 Harvest: Jul 14 – Aug 25
Safe Start (90%) ✓ Fits season (41 days to spare)
Start indoors: Apr 21 Transplant: May 26 🍅 Harvest: Aug 11 – Sep 22

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
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Romanesco needs ~1,138 GDD — county provides 2,236 GDD Excellent fit

Romanesco Planting Timeline โ€” Pendleton County, WV

Romanesco Planting Calendar

Activity When Date Range
Start Indoors March 24 Mar 24 โ€“ Apr 7
Transplant Outdoors April 28 Apr 28 โ€“ May 12
Direct Sow April 14 Apr 14 โ€“ May 5
Fall Sowing August 8 Aug 8 โ€“ Aug 22
Harvest July 14 Jul 14 โ€“ Aug 25

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Start Indoors
April Start Indoors Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow
June โ€”
July Harvest
August Fall Sowing Harvest
September โ€”
October โ€”
November โ€”
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 5b

Growing Season

172 days

Growing Tips for Pendleton County

Start seeds indoors 5-7 weeks before transplanting. Provide consistent moisture and avoid temperature stress. Harvest when head is fully formed but before florets begin to separate.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Strawberries

Level Up Your Garden

Frequently Asked Questions

When should I plant Romanesco in Pendleton County, WV?

Pendleton County is in Zone 5b with an average last frost of April 28. Plan your Romanesco planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Pendleton County, WV?

Pendleton County, West Virginia is in USDA Hardiness Zone 5b. The average last spring frost is April 28 and first fall frost is October 17.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Pendleton County gardeners in Zone 5b 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 Pendleton County, WV. Local conditions may vary. Last updated: April 2026.