When to plant tomatoes in San Salvador de Jujuy: 25 August – 4 March

In San Salvador de Jujuy, tomato: sow for seedlings from 13 June to 12 January; plant into a greenhouse from 4 August to 4 March; plant out into open ground from 25 August to 4 March. For plants and seeds, the places nearby include Vivero (garden centre, 5 km); addresses and opening hours are below.

Tomato in San Salvador de Jujuy: soil, season and weather

In San Salvador de Jujuy the soil, not frost, sets the date: the last frost is over around 11 August, but the top 7 cm of soil reaches 15 °C — the minimum on the tomato card — only around 25 August, 14 days later.

Last spring frost	11 August
Top 7 cm of soil at 15 °C	25 August, 14 days after the last frost
Into an unheated greenhouse	4 August – 4 March; August outside: 6 °C at night, 20.5 °C by day; card 16–27 °C
First autumn frost	24 June, 304 days after the start
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	3 November – 13 May
Days left for picking	234
Daylight	10:40 on 4 July, 11:28 on 25 August
Watering outdoors when fruiting (card)	every 3 days; the driest month, August, has 4 rainy days

Tomato in San Salvador de Jujuy: care after planting

Planted on 25 August: in the first weeks water every 4 days.

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

25 August — feed: balanced (NPK)
22 September — 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 San Salvador de Jujuy during the tomato season

No month of the season averages above the tomato card's 16–27 °C by day; the warmest, January, averages 26.2 °C. Nights average below 16 °C in March–June and August–November (5.1–15.6 °C).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
August	20.5	6	19	4	11:16
September	23.6	9.3	31	6	11:56
October	25.1	12.3	112	13	12:38
November	25.8	14.8	135	17	13:17
December	25.8	16.2	226	21	13:37
January	26.2	17.3	242	21	13:28
February	25.1	16.7	212	20	12:54
March	23.4	15.6	205	21	12:15
April	20.8	13	164	18	11:32
May	17.6	8.5	104	17	10:57
June	16.2	5.1	40	8	10:39

ERA5 2016–2025, Open-Meteo

Tomato in nearby cities

Around San Salvador de Jujuy, San Fernando del Valle de Catamarca is 32 days earlier and Potosí 95 days later.

City	Distance	Date	Difference
Salta	68 km	11 September – 9 March	17 days later
San Miguel de Tucumán	291 km	from 16 August	9 days earlier
Tarija	301 km	3 September – 21 February	9 days later
Calama	418 km	from 17 August	8 days earlier
San Fernando del Valle de Catamarca	478 km	24 July – 8 March	32 days earlier
Potosí	515 km	from 28 November	95 days later

Where to buy tomato plants and seeds near San Salvador de Jujuy

Buy plants ready to set out from 25 August to 4 March (from 4 August to 4 March for an unheated greenhouse); seed for raising your own is sown from 13 June to 12 January. Within 15 km of San Salvador de Jujuy OpenStreetMap lists 3 garden centres, 1 plant nursery and 10 markets (collected 28 October 2026).

Vivero — garden centre
Ruta Provincial 2, 4600 San Salvador de Jujuy · 5 km
Mercado Hipólito Yrigoyen — market
Avenida José de la Iglesia 1050, Y4607AEN San Salvador de Jujuy, Jujuy · Mon–Sat 17:00–20:00+ · 0 km
Feria el Gaucho — market
Tesorero, 4600 San Salvador de Jujuy · 3 km
VIVERO MUNICIPAL — garden centre
8 km

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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