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When to plant garlic in Ostrava: 10 October – end of December

In Ostrava, garlic: plant from 10 October to the end of December. For planting stock, the places nearby include U moudré kozy (farm shop, 13 km) and MOVA Zahradní centrum (garden centre, 15 km); addresses and opening hours are below.

Garlic is best planted early in the window: cloves planted late make smaller bulbs. Late planting works only while the soil is not frozen. Mulch after planting.

The average daily temperature here stays above 0 °C all winter, and at least two months average 10 °C or less: the cold garlic needs, one to two months at 0–10 °C (RHS). The two-month threshold is our rule of thumb. Sources: UVM Extension, UNH Extension, RHS.

Garlic in Ostrava: soil, season and weather

Garlic goes into the ground in Ostrava from 10 October to the end of December; the window opens a month before the first autumn frost. Nights then average below 0 °C in December–February; the coldest, January, averages -2.5 °C.

Planting10 October – end of December
First autumn frost9 November
Coldest nightsJanuary, -2.5 °C
Soil back at 5 °C in spring1 March
Harvest (card)about 8 months after planting: June
Daylight11:08 on 10 October
Daylight at the winter solstice8:06

The same dates in Ostrava hold for Tulip, Daffodil, Crocus and Hyacinth.

Garlic in Ostrava: care after planting

Planted on 10 October: in the first weeks water every 7 days.

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

  • 10 October — feed: nitrogen
  • 7 November — 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

Around Ostrava, Kraków is 8 days earlier and Opole 9 days later.

CityDistanceDateDifference
Katowice73 km17 October – 22 December7 days later
Olomouc77 km7 October – end of December3 days earlier
Zlín79 km7 October – 17 December3 days earlier
Opole97 km19 October – end of December9 days later
Kraków123 km2 October – 28 December8 days earlier
Częstochowa126 km11 October – 19 December1 day later

Where to buy garlic for planting in Ostrava

Planting stock goes into the ground from 10 October to the end of December; buy it before that. Within 15 km of Ostrava OpenStreetMap lists 10 garden centres, 1 farm-supply shop, 3 markets and 1 farm shop (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant garlic in Ostrava?

In Ostrava, garlic: plant from 10 October to the end of December. Garlic is best planted early in the window: cloves planted late make smaller bulbs. Late planting works only while the soil is not frozen. Mulch after planting.

When is the last spring frost in Ostrava?

Last spring frost around 19 April, first autumn frost around 9 November.

Other crops in Ostrava, with their dates