When to plant tomatoes in Pueblo: 28 April – 8 July

In Pueblo, tomato: sow for seedlings from 14 February to 17 May; plant into a greenhouse from 7 April to 8 July; plant out into open ground from 28 April to 8 July. For plants and seeds, the places nearby include LL Johnson Distributing Co - Pueblo (farm supply, 6 km) and Big R (farm supply, 15 km); addresses and opening hours are below.

Tomato in Pueblo: soil, season and weather

In Pueblo frost, not soil, sets the date: the top 7 cm of soil warms to 15 °C — the minimum on the tomato card — around 12 April, 9 days before the last frost on 21 April, so planting waits only for the week after that frost.

Last spring frost	21 April
Top 7 cm of soil at 15 °C	12 April, 9 days before the last frost
Into an unheated greenhouse	7 April – 8 July; April outside: 3.8 °C at night, 21.1 °C by day; card 16–27 °C
First autumn frost	28 October, 183 days after the start
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	7 July – 16 September
Days left for picking	113
Daylight	11:34 on 7 March, 13:40 on 28 April
Watering outdoors when fruiting (card)	every 3 days; the driest month, September, has 2 rainy days

Tomato in Pueblo: care after planting

Planted on 28 April: in the first weeks water every 4 days.

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

28 April — feed: balanced (NPK)
26 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 Pueblo during the tomato season

Days average above the tomato card's 16–27 °C in June–September (30.1–33.9 °C). Nights average below 16 °C in April–June and September, October (3.8–15.6 °C).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
April	21.1	3.8	34	5	13:10
May	25	8.9	55	8	14:14
June	32.1	15.6	32	6	14:49
July	33.9	18.5	48	7	14:35
August	32.7	17.7	33	6	13:41
September	30.1	13.7	14	2	12:28
October	22	6.1	16	3	11:15

ERA5 2016–2025, Open-Meteo

Tomato in nearby cities

Around Pueblo, Grand Junction is 3 days earlier and Cheyenne 27 days later.

City	Distance	Date	Difference
Colorado Springs	66 km	13 May – 25 June	15 days later
Denver	168 km	8 May – 25 June	10 days later
Fort Collins	258 km	14 May – 1 July	16 days later
Santa Fe (United States)	309 km	27 April – 6 July	1 day earlier
Cheyenne	321 km	25 May – 23 June	27 days later
Grand Junction	356 km	25 April – 7 July	3 days earlier

Where to buy tomato plants and seeds near Pueblo

Buy plants ready to set out from 28 April to 8 July (from 7 April to 8 July for an unheated greenhouse); seed for raising your own is sown from 14 February to 17 May. Within 15 km of Pueblo OpenStreetMap lists 4 garden centres, 3 farm-supply shops, 2 markets and 3 farm shops (collected 28 October 2026).

Big R — farm supply
East Industrial Boulevard 115, 81007 Pueblo West · 15 km · bigronline.com
LL Johnson Distributing Co - Pueblo — farm supply
Granada Boulevard 2930, 81005 Pueblo · 6 km · lljohnson.com
Fuel & Iron Food Hall — market
South Union Avenue 400, 81003 · Mon–Sun 11:00–21:00 · 1 km · fuelandironfoodhall.com
Milberger Farms — market
East US 50 28570, 81006 Pueblo · Mon–Sun 07:00–15:00 · 8 km · milbergerfarms.com

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.

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