When to plant eggplants in San Miguel de Tucumán: from 15 September

In San Miguel de Tucumán, eggplant: sow for seedlings from 26 June; plant into a greenhouse from 25 August; plant out into open ground from 15 September. There is no autumn frost here, so the frost dates set no end to the window.

Eggplant in San Miguel de Tucumán: soil, season and weather

In San Miguel de Tucumán the soil, not frost, sets the date: the last frost is over around 20 July, but the top 7 cm of soil reaches 18 °C — the minimum on the eggplant card — only around 15 September, 57 days later. San Miguel de Tucumán has no autumn frost in the median year, so frost does not end the season.

Last spring frost	20 July
Top 7 cm of soil at 18 °C	15 September, 57 days after the last frost
Into an unheated greenhouse	from 25 August; August outside: 8.4 °C at night, 21.3 °C by day; card 21–29 °C
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	from 24 November
Daylight	10:37 on 17 July, 11:55 on 15 September
Watering outdoors when fruiting (card)	every 3 days; the driest month, September, has 4 rainy days

The same dates in San Miguel de Tucumán hold for Cucumber, Bell Pepper, Zucchini, Pumpkin and Watermelon.

Eggplant in San Miguel de Tucumán: care after planting

Planted on 15 September: in the first weeks water every 4 days.

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

15 September — feed: balanced (NPK)
13 October — feed: nitrogen

Pests and diseases of eggplant 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 Miguel de Tucumán during the eggplant season

Days average above the eggplant card's 21–29 °C in December (29.4 °C) and January (29.7 °C). Nights average below 21 °C in every month of the season, from 11.6 °C to 20.2 °C.

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
September	24.8	11.6	28	4	11:55
October	26.8	14.6	81	10	12:42
November	28.8	17.3	137	12	13:26
December	29.4	19.1	156	13	13:49
January	29.7	20.2	231	16	13:39
February	28.6	19.7	204	15	13:00

ERA5 2016–2025, Open-Meteo

Eggplant in nearby cities

Around San Miguel de Tucumán, San Fernando del Valle de Catamarca is 16 days earlier and Córdoba 16 days later.

City	Distance	Date	Difference
San Fernando del Valle de Catamarca	193 km	30 August – 8 March	16 days earlier
Salta	225 km	26 September – 9 March	11 days later
San Salvador de Jujuy	291 km	22 September – 4 March	7 days later
La Rioja	331 km	30 August – 23 February	16 days earlier
Copiapó	510 km	8 September – 3 March	7 days earlier
Córdoba	522 km	1 October – 23 February	16 days later

Where to buy eggplant plants and seeds near San Miguel de Tucumán

Buy plants ready to set out from 15 September (from 25 August for an unheated greenhouse); seed for raising your own is sown from 26 June. Within 15 km of San Miguel de Tucumán OpenStreetMap lists 2 garden centres, 1 farm-supply shop and 6 markets (collected 20 October 2026).

El Cristo — garden centre
5 km
El Lapacho — garden centre
9 km
Mercado del Norte — market
2 km
Mercado Dorrego — market
4 km

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