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When to Plant Romanesco in Monongalia 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.

Monongalia County, West Virginia is in USDA Zone 6a. The average last spring frost is April 30 and the first fall frost is October 17, giving you a growing season of approximately 170 days.

At an elevation of 3,444 feet, Monongalia County receives approximately 53.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Romanesco during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Romanesco root diseases.

Monongalia County, WV (Zone 6a) Moderate season
170 days
Last Spring Frost April 30
170 growing days
First Fall Frost October 17

Monongalia 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 (50 days to spare)
Start indoors: Mar 20 Transplant: Apr 24 🍅 Harvest: Jul 10 – Aug 21
Recommended (50%) ✓ Fits season (51 days to spare)
Start indoors: Mar 26 Transplant: Apr 30 🍅 Harvest: Jul 16 – Aug 27
Safe Start (90%) ✓ Fits season (43 days to spare)
Start indoors: Apr 17 Transplant: May 22 🍅 Harvest: Aug 7 – Sep 18

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
1.3″/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

Romanesco needs ~1,597 GDD — county provides 3,102 GDD Excellent fit

Romanesco Planting Timeline โ€” Monongalia County, WV

Romanesco Planting Calendar

Activity When Date Range
Start Indoors March 26 Mar 26 โ€“ Apr 9
Transplant Outdoors April 30 Apr 30 โ€“ May 14
Direct Sow April 16 Apr 16 โ€“ May 7
Fall Sowing August 8 Aug 8 โ€“ Aug 22
Harvest July 16 Jul 16 โ€“ Aug 27

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 6a

Growing Season

170 days

Growing Tips for Monongalia 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 Monongalia County, WV?

Monongalia County is in Zone 6a with an average last frost of April 30. Plan your Romanesco planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Monongalia County, WV?

Monongalia County, West Virginia is in USDA Hardiness Zone 6a. The average last spring frost is April 30 and first fall frost is October 17.

๐ŸŒฑ

Plan Your Garden with Confidence

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