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When to Plant Potatoes in Newport News City, VA

Potatoes are a versatile staple crop that produces tubers underground. They come in hundreds of varieties with varying colors, textures, and maturity dates.

Newport News City, Virginia is in USDA Zone 7b. The average last spring frost is March 22 and the first fall frost is November 17, giving you a growing season of approximately 240 days.

At an elevation of 356 feet, Newport News City receives approximately 41.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90ยฐF, providing good warmth for Potatoes during the growing season.

Newport News City, VA (Zone 7b) Long season
240 days
Last Spring Frost March 22
240 growing days
First Fall Frost November 17

Newport News City Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (90 days to spare)
Start indoors: Jan 22 Transplant: Mar 26 🍅 Harvest: Jun 4 – Aug 13
Recommended (50%) ✓ Fits season (86 days to spare)
Start indoors: Feb 1 Transplant: Apr 5 🍅 Harvest: Jun 14 – Aug 23
Safe Start (90%) ✓ Fits season (85 days to spare)
Start indoors: Feb 19 Transplant: Apr 23 🍅 Harvest: Jul 2 – Sep 10

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
0.7″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 581 gal / 100 sq ft
Potatoes needs ~1,662 GDD — county provides 4,200 GDD Excellent fit

Potatoes Planting Timeline โ€” Newport News City, VA

Potatoes Planting Calendar

Activity When Date Range
Start Indoors February 1 Feb 1 โ€“ Feb 15
Transplant Outdoors April 5 Apr 5 โ€“ Apr 19
Direct Sow March 29 Mar 29 โ€“ Apr 19
Harvest June 14 Jun 14 โ€“ Aug 23

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

Month-by-Month Timeline

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

70โ€“120 days

Soil pH

5 โ€“ 6.5

USDA Zone

Zone 7b

Growing Season

240 days

Growing Tips for Newport News City

Plant seed potatoes (not grocery store potatoes) 4 inches deep in spring. Hill soil around stems as plants grow to prevent greening. Stop watering when plants die back.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Cucumber
  • Squash Summer

Level Up Your Garden

Frequently Asked Questions

When should I plant Potatoes in Newport News City, VA?

Newport News City is in Zone 7b with an average last frost of March 22. Plan your Potatoes planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Newport News City, VA?

Newport News City, Virginia is in USDA Hardiness Zone 7b. The average last spring frost is March 22 and first fall frost is November 17.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Newport News 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 Newport News City, VA. Local conditions may vary. Last updated: April 2026.