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When to Plant Fennel in Suffolk City, VA

Florence fennel is grown for its swollen bulb-like stem base, which has a mild anise flavor. It is crisp raw in salads and sweet when roasted or braised.

Suffolk City, Virginia is in USDA Zone 7b. The average last spring frost is March 26 and the first fall frost is November 15, giving you a growing season of approximately 234 days.

At an elevation of 1,181 feet, Suffolk City receives approximately 49.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Fennel during the growing season.

Suffolk City, VA (Zone 7b) Long season
234 days
Last Spring Frost March 26
234 growing days
First Fall Frost November 15

Suffolk City Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (115 days to spare)
Start indoors: Jan 29 Transplant: Apr 2 🍅 Harvest: Jun 4 – Jul 16
Recommended (50%) ✓ Fits season (115 days to spare)
Start indoors: Feb 5 Transplant: Apr 9 🍅 Harvest: Jun 11 – Jul 23
Safe Start (90%) ✓ Fits season (107 days to spare)
Start indoors: Feb 28 Transplant: May 2 🍅 Harvest: Jul 4 – Aug 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
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 232 gal / 100 sq ft
Fennel needs ~1,369 GDD — county provides 4,270 GDD Excellent fit

Fennel Planting Timeline โ€” Suffolk City, VA

Fennel Planting Calendar

Activity When Date Range
Start Indoors February 5 Feb 5 โ€“ Feb 19
Transplant Outdoors April 9 Apr 9 โ€“ Apr 23
Direct Sow April 2 Apr 2 โ€“ Apr 23
Harvest June 11 Jun 11 โ€“ Jul 23

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“90 days

Soil pH

5.5 โ€“ 7

USDA Zone

Zone 7b

Growing Season

234 days

Growing Tips for Suffolk City

Direct sow in late summer for fall harvest to reduce bolting. Hill soil around bulbs as they enlarge. Harvest when bulbs are tennis-ball sized before they elongate.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Peppers
  • Beans

Level Up Your Garden

Frequently Asked Questions

When should I plant Fennel in Suffolk City, VA?

Suffolk City is in Zone 7b with an average last frost of March 26. Plan your Fennel planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Suffolk City, VA?

Suffolk City, Virginia is in USDA Hardiness Zone 7b. The average last spring frost is March 26 and first fall frost is November 15.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Suffolk City gardeners in Zone 7b 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 Suffolk City, VA. Local conditions may vary. Last updated: April 2026.