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Frost and Seed

When to Plant Tomatoes in Virginia: Spring and Fall Dates by Zone

Planting dates for tomatoes from Virginia Cooperative Extension in Virginia, with 50% frost dates from NOAA for Roanoke Regional Airport, Charlottesville Airport, and Richmond International Airport and one worked case.

Updated

Figures checked against their sources on ; next check .

Photograph of young tomato and pepper transplants set in a fresh spring vegetable bed

Open Virginia Cooperative Extension’s calendar to the tomato line and you find 6 zones, each with its own spring and fall entries. Zone 6b starts latest, on May 10, while Zone 8b starts on April 1: 39 days between the two. The footnote on this row reads “Planting dates for transplants.”

The tomato windows by zone

Table 5 of the same guide puts tomatoes at 2-4 plants per person, with 2 plantings in spring and summer and none in fall.

Tomato planting dates in Virginia, as printed by Virginia Cooperative Extension (one row per zone, none averaged)
ZoneSpring plantingFall planting
Zone 6aMay 10-June 10June 10-July 10
Zone 6bMay 10-June 10June 10-July 10
Zone 7aApril 20-June 20June 20-Aug 1
Zone 7bApril 10-June 20June 20-Aug 1
Zone 8aApril 10-July 1July 1-Aug 10
Zone 8bApril 1-July 1July 1-Aug 10

What to know about this source

The guide says row cover fabric and cold frames may extend the expected planting and harvest window by two to four weeks in spring and in fall. For frost dates by county it points readers to the Midwestern Regional Climate Center’s freeze date tool.

Starting tomatoes indoors

If you raise your own transplants, count backward from the set-out date. UNH’s fact sheet allows 6 to 8 weeks for that stage, and the table lists what the others say.

Six saved sources speak to tomatoes. Three of them (UNH, NDSU and Montana State) count from the last frost; the University of Minnesota, NC State and the University of Georgia describe their own climates. The shortest figure is 5 weeks and the longest 10, so no single number is right for every garden.

Once the seedlings are ready, UNH says tomatoes are safe to set out 1 to 2 weeks after the last frost, after hardening off.

Indoor start for tomatoes: what each saved source says (one row per source, none averaged)
SourceWhat it says
University of New Hampshire6 to 8 weeks from seed to transplant; 1 to 2 weeks after the last frost is safe to set out
North Dakota State UniversitySow 6 weeks before the last frost, transplant 2 weeks after it
Montana State University6 to 10 weeks to transplant size; the planting window opens 1 week before the last frost
University of MinnesotaEarly April in Minnesota, 5 to 6 weeks indoors
NC StateAny transplant: seed 6 to 8 weeks before setting out (central North Carolina calendar)
University of Georgia6 weeks from seed to transplant size (middle Georgia calendar)

Typical frost dates at Virginia stations

The 50% date is the even-odds one: in half of the years the last spring 32°F night comes on or after it, and the first fall one on or before it. Each station below links to the frost dates tool.

The source leaves it to the reader to place a city among its zones, and this table does not make that call.

NOAA 1991-2020 normals for Virginia stations: 50% last spring and first fall 32°F dates
StationLast spring 32°FFirst fall 32°FRegion in the calendar
Roanoke Regional Airport, VirginiaApril 3November 1Not stated by the source
Charlottesville Airport, VirginiaApril 3November 1Not stated by the source
Richmond International Airport, VirginiaApril 3November 4Not stated by the source
Norfolk International Airport, VirginiaMarch 17November 23Not stated by the source
Washington DC Dulles Airport, VirginiaApril 15October 24Not stated by the source

Worked example

Start from Roanoke Regional Airport: the station’s median last spring freeze is April 3, and its median first fall freeze is November 1.

The calendar does not say which zone Roanoke Regional Airport belongs to, so set the date against the rows at each end. Zone 8b opens April 1, 2 days before that date; Zone 6b opens May 10, 37 days after it.

The offsets will shift by a few days with every revision of the normals, so use them as a rough guide to which row to trust and not as a deadline.

Before you rely on these dates

The guide says actual last and first killing frost dates vary with local conditions and from year to year, and invites gardeners to favor earlier or later dates within a range.

Treat the table as a starting range and look at the ten-day forecast before setting out anything tender.