Question 1

When should I plant tomatoes in ZIP 46204?

Accepted Answer

In ZIP 46204, the main tomatoes target is around May 2, based on the representative Indianapolis frost station and USDA zone 6b.

Question 2

When should I start tomatoes seeds indoors in 46204?

Accepted Answer

Start tomatoes seeds indoors in ZIP 46204 around Mar 14, about 42 days before the Apr 25 last-frost estimate.

Question 3

When is the last frost in Indianapolis?

Accepted Answer

Indianapolis (ZIP 46204) has an average last spring frost around Apr 25, based on the representative Indianapolis frost station.

Question 4

When is the first frost in Indianapolis?

Accepted Answer

Indianapolis (ZIP 46204) has an average first fall frost around Oct 15, leaving about 173 frost-free days.

Question 5

Is this a guaranteed planting date?

Accepted Answer

No. GrowZone uses frost-date estimates, hardiness zones, and crop timing rules for planning. Local microclimates and current weather can shift the right date.

Last and first frost dates for ZIP 46204 (Indianapolis, IN)

Crop calendars for ZIP 46204