When to plant watermelons in Santa Fe (United States): 3 May – 17 July

In Santa Fe (United States), watermelon: sow for seedlings from 15 March to 19 June; plant into a greenhouse from 12 April to 17 July; plant out into open ground from 3 May to 17 July. For plants and seeds, the places nearby include Chlorophyll (garden centre, 3 km) and Oscar's Tree Service (garden centre, 3 km); addresses and opening hours are below.

Watermelon in Santa Fe (United States): soil, season and weather

In Santa Fe (United States) the soil, not frost, sets the date: the last frost is over around 20 April, but the top 7 cm of soil reaches 18 °C — the minimum on the watermelon card — only around 3 May, 13 days later.

Last spring frost	20 April
Top 7 cm of soil at 18 °C	3 May, 13 days after the last frost
Into an unheated greenhouse	12 April – 17 July; April outside: 3.9 °C at night, 17.8 °C by day; card 18–35 °C
First autumn frost	26 October, 176 days after the start
Days in the bed to the first harvest (card)	59
First harvest, if planted in this window	1 July – 14 September
Days left for picking	117
Daylight	12:43 on 5 April, 13:41 on 3 May
Watering outdoors when fruiting (card)	every 5 days; the driest month, June, has 6 rainy days

The same dates in Santa Fe (United States) hold for Cucumber, Bell Pepper, Eggplant, Zucchini and Pumpkin.

Watermelon in Santa Fe (United States): care after planting

Planted on 3 May: in the first weeks water every 5 days.

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

3 May — feed: balanced (NPK)

Pests and diseases of watermelon 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 Santa Fe (United States) during the watermelon season

No month of the season averages above the watermelon card's 18–35 °C by day; the warmest, July, averages 29.3 °C. Nights average below 18 °C in every month of the season, from 6.2 °C to 16.4 °C.

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
May	22.3	8.6	30	6	14:02
June	28.2	14.4	29	6	14:34
July	29.3	16.4	35	8	14:21
August	27.7	15.5	32	7	13:32
September	24.7	12.1	34	6	12:26
October	18.1	6.2	31	5	11:20

ERA5 2016–2025, Open-Meteo

Watermelon in nearby cities

Around Santa Fe (United States), El Paso is 41 days earlier and Colorado Springs 34 days later.

City	Distance	Date	Difference
Albuquerque	94 km	18 April – 31 July	15 days earlier
Pueblo	309 km	3 May – 19 July	same day
Colorado Springs	363 km	6 June – 6 July	34 days later
Las Cruces	384 km	5 April – 15 August	28 days earlier
El Paso	440 km	23 March – 26 August	41 days earlier
Grand Junction	444 km	6 May – 18 July	3 days later

Where to buy watermelon plants and seeds near Santa Fe (United States)

Buy plants ready to set out from 3 May to 17 July (from 12 April to 17 July for an unheated greenhouse); seed for raising your own is sown from 15 March to 19 June. Within 15 km of Santa Fe (United States) OpenStreetMap lists 11 garden centres, 4 plant nurseries and 3 markets (collected 28 October 2026).

Oscar's Tree Service — garden centre
Cerrillos Road 1203, 87505 Santa Fe · 3 km
Just Sprinklers/Backyard Superstore — garden centre
Saint Michaels Drive 858 · 4 km
Chlorophyll — garden centre
Shoofly Street 922 · 3 km
McCumber Fine Gardens — garden centre
Old Las Vegas Highway · 7 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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