Climate-based tomato planting guide for Evansville, Indiana

When to Plant Tomatoes in Evansville: Timing and Maturity Guide

Tomatoes are usually straightforward to fit into the season in Evansville. Gardeners generally have room to think about the kind of result they want, not just whether the crop will finish.

Typical Planting Window

Excellent fit in this climate

Use the planting dates below for tomatoes in Evansville.

Start indoors February 15
Typical planting window April 7 – April 17
Method Transplant
Typical days to maturity 75–85

Gardeners usually start indoors around February 15 and plant outdoors from about April 7. Most varieties need about 75–85 days to reach maturity once they are in the garden.

Tomatoes are usually one of the easier warm-season crops to finish in Evansville. The real advantage is having enough room to choose more deliberately for flavor, finish, and ripening style.

Even with a comfortable margin, this crop still gets better when site warmth is used to improve ripening pace and finish quality rather than merely protect maturity.

Best local strategy: Treat this as a crop with real strategic flexibility here; the best results come from matching variety, site warmth, and harvest goals rather than simply chasing maturity.

Can Tomatoes Mature in Evansville?

Growing degree days measure how much useful warmth the season provides. For tomatoes, that warmth is what drives steady growth, fruit sizing, and ripening, so low GDD seasons often leave later varieties green or unfinished before frost.

Available GDD (base 50) 4541
Typical crop GDD target 1200
Heat margin +3341

From the usual planting window, Evansville typically provides about 4541 growing degree days for tomatoes. With a typical crop target of 1200, that leaves a heat margin of +3341. That large heat margin means season length is usually not the limiting issue here. The season usually gives gardeners room to focus on finish quality, harvest goals, and overall crop performance.

GDD Checkpoints for Evansville

If planting later than usual, this table shows how much growing degree day heat is still available from each point in the season. For tomatoes, it is most useful for judging how much freedom you still have to plant for quality, finish, and harvest goals as the season moves along.

Checkpoint Remaining GDD Heat margin Fit vs typical target
Apr 15 4463 +3263 Comfortable
May 1 4273 +3073 Comfortable
May 15 4052 +2852 Comfortable
Jun 1 3713 +2513 Comfortable
Jun 15 3367 +2167 Comfortable
Jul 1 2911 +1711 Comfortable

Best Tomato Varieties for Evansville

The season in Evansville usually supports most tomato varieties comfortably, which means the more useful decision is what kind of crop you want rather than simply how fast it finishes.

Varieties that often fit well here include:

Variety class Typical days to maturity Typical GDD need Local fit
Very early 55–70 850 Good fit
Early 65–75 1000 Good fit
Mid-season 75–85 1200 Good fit
Late 85–100 1400 Good fit

Main risk: When this crop disappoints here, the problem is usually practical rather than climatic. Timing, steady growth, and harvest stage matter more than season length.

How Frost Affects Tomatoes in Evansville

Evansville usually has about 226 frost-free days, with a typical last spring frost around March 29 and a typical first fall frost around November 10.

Typical last spring frost March 29
Typical first fall frost November 10
Typical frost-free days 226
Minimum safe temperature 32°F / 0 °C

Tomatoes are generally frost-tender and temperatures below about 32°F ( 0 °C) can slow growth or damage plants.

Tomatoes are much more exposed to frost risk, so the frost dates matter as real planting boundaries rather than rough planning markers.

When this crop disappoints in Evansville, the issue is usually management rather than climate fit. Timing, consistency, and harvest decisions matter more than season length.

In Evansville, the local season usually gives tomatoes plenty of breathing room when planting happens around April 5. Local gardens do not all warm and cool at the same pace. For a better local margin, gardeners usually do best in south-facing walls, sheltered gardens, raised beds, and sunnier urban lots. Cooler spots like low spots, exposed sites, and shadier yards often make timing tighter. For tomatoes, that usually changes earliness and ripening speed more than basic feasibility.

Related crops

Related crops worth comparing for the same city:

For a broader local overview, see the Evansville planting guide. You can also use the Growing Degree Day Planner to test planting dates and crop timing.