Greenly Garden

When to plant tomatoes in Frankfort: 22 April – 14 July

In Frankfort, tomato: sow for seedlings from 8 February to 23 May; plant into a greenhouse from 1 April to 14 July; plant out into open ground from 22 April to 14 July. For plants and seeds, the places nearby include Buckmeadow Farms (farm shop, 14 km); addresses and opening hours are below.

Tomato in Frankfort: soil, season and weather

In Frankfort the soil, not frost, sets the date: the last frost is over around 12 April, but the top 7 cm of soil reaches 15 °C — the minimum on the tomato card — only around 22 April, 10 days later.

Last spring frost12 April
Top 7 cm of soil at 15 °C22 April, 10 days after the last frost
Into an unheated greenhouse1 April – 14 July; April outside: 7.5 °C at night, 18.9 °C by day; card 16–27 °C
First autumn frost3 November, 195 days after the start
Days in the bed to the first harvest (card)70
First harvest, if planted in this window1 July – 22 September
Days left for picking125
Daylight11:20 on 1 March, 13:26 on 22 April
Watering outdoors when fruiting (card)every 3 days; the driest month, September, has 8 rainy days

Tomato in Frankfort: care after planting

Planted on 22 April: in the first weeks water every 4 days.

Feeding, by the card’s schedule from that day:

  • 22 April — feed: balanced (NPK)
  • 20 May — feed: nitrogen

Pests and diseases of tomato to watch for:

Dates count from the first planting day of the window above; a later planting moves them by as many days.

Weather in Frankfort during the tomato season

Days average above the tomato card's 16–27 °C in June–September (27.2–30.3 °C). Months that stay below 16 °C even by day on average: November (13.2 °C). Nights average below 16 °C in April, May and October, November (3.5–13.2 °C).

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
April18.97.51341313:10
May23.813.21221514:14
June28.617.61111314:48
July30.320.11291414:35
August29.419891213:40
September27.216.281812:28
October20.910.388911:15
November13.23.585910:08

ERA5 2016–2025, Open-Meteo

Tomato in nearby cities

Around Frankfort, Bowling Green is 11 days earlier and Dayton 12 days later.

CityDistanceDateDifference
Lexington41 km28 April – 18 July6 days later
Louisville78 km16 April – 22 July6 days earlier
Cincinnati108 km22 April – 20 Julysame day
Dayton183 km4 May – 20 July12 days later
Bowling Green194 km11 April – 21 July11 days earlier
Indianapolis207 km4 May – 17 July12 days later

Where to buy tomato plants and seeds near Frankfort

Buy plants ready to set out from 22 April to 14 July (from 1 April to 14 July for an unheated greenhouse); seed for raising your own is sown from 8 February to 23 May. Within 15 km of Frankfort OpenStreetMap lists 1 plant nursery, 2 markets and 1 farm shop (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Each window starts on the Greenly calendar date and ends on the last day that still leaves the crop’s days to harvest (from its card) before the average first autumn frost, plus six weeks of picking for crops harvested over weeks (tomatoes, peppers, aubergines, cucumbers, courgettes, pumpkins, watermelons, beans) — our rule; earlier in the window is safer.

Questions

When to plant tomatoes in Frankfort?

In Frankfort, tomato: sow for seedlings from 8 February to 23 May; plant into a greenhouse from 1 April to 14 July; plant out into open ground from 22 April to 14 July.

When to sow tomatoes for seedlings in Frankfort?

Sow for seedlings from 8 February to 23 May.

When is the last spring frost in Frankfort?

Last spring frost around 12 April, first autumn frost around 3 November.

Other crops in Frankfort, with their dates