When to plant garlic in Jefferson City: 5 October – end of December

In Jefferson City, garlic: plant from 5 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.

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 Jefferson City: soil, season and weather

Garlic goes into the ground in Jefferson City from 5 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 -3.6 °C.

Planting	5 October – end of December
First autumn frost	4 November
Coldest nights	January, -3.6 °C
Soil back at 5 °C in spring	13 February
Harvest (card)	about 8 months after planting: June
Daylight	11:39 on 5 October
Daylight at the winter solstice	9:28

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

Garlic in Jefferson City: care after planting

Planted on 5 October: in the first weeks water every 7 days.

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

5 October — feed: nitrogen
2 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

1 of the nearest cities share Jefferson City's date.

City	Distance	Date	Difference
St. Louis	172 km	5 October – end of December	same day
Kansas City	216 km	2 October – end of December	3 days earlier
Springfield	258 km	2 October – 22 December	3 days earlier
Joplin	263 km	2 October – end of December	3 days earlier
Topeka	309 km	29 September – 30 December	6 days earlier
Peoria	324 km	1 October – 9 December	4 days earlier

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