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When to plant garlic in Hilo

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 Hilo: 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 19 °C.

Planting1 October
Coldest nightsFebruary, 19 °C
Soil back at 5 °C in springalready in the first week of January
Harvest (card)about 8 months after planting: June
Daylight11:58 on 1 October
Daylight at the winter solstice10:56

Garlic in Hilo: 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

3 of the nearest cities share Hilo's date.

CityDistanceDateDifference
Honolulu339 km1 Octobersame day
San Francisco3,735 km1 Octobersame day
San Jose3,760 km1 Octobersame day
Stockton3,835 km3 November – end of December33 days later
Santa Barbara3,841 km15 November – end of December45 days later
Sacramento3,846 km11 November – end of December41 days later

Where to buy garlic for planting in Hilo

Within 15 km of Hilo OpenStreetMap lists 4 garden centres, 1 farm-supply shop and 5 markets (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.