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When to plant garlic in San Juan (Puerto Rico)

There is no autumn frost here and the winter is too warm for our late-planting rule, so we give no planting window; the calendar’s default autumn date is 1 October.

Garlic in San Juan (Puerto Rico): soil, season and weather

There is no autumn frost here and the winter is too warm for our late-planting rule, so we give no planting window; the calendar’s default autumn date is 1 October. No month averages below 0 °C at night; the coldest nights, in February, average 22.8 °C.

Planting1 October
Coldest nightsFebruary, 22.8 °C
Soil back at 5 °C in springalready in the first week of January
Harvest (card)about 8 months after planting: June
Daylight11:59 on 1 October
Daylight at the winter solstice11:01

Garlic in San Juan (Puerto Rico): care after planting

Planted on 1 October: in the first weeks water every 7 days.

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

  • 1 October — feed: nitrogen
  • 29 October — feed: nitrogen

Pests and diseases of garlic to watch for:

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

Garlic in nearby cities

6 of the nearest cities share San Juan (Puerto Rico)'s date.

CityDistanceDateDifference
Arecibo63 km1 Octobersame day
Ponce73 km1 Octobersame day
Mayagüez112 km1 Octobersame day
Higüey274 km1 Octobersame day
San Pedro de Macorís336 km1 Octobersame day
Santo Domingo402 km1 Octobersame day

Where to buy garlic for planting in San Juan (Puerto Rico)

Within 15 km of San Juan (Puerto Rico) OpenStreetMap lists 8 garden centres, 2 farm-supply shops, 1 plant nursery, 13 markets and 2 farm shops (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.