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When to plant garlic in Knoxville: 13 October – end of December

In Knoxville, garlic: plant from 13 October to the end of December. For planting stock, the places nearby include Stanley's Greenhouse (plant nursery, 2 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 Knoxville: soil, season and weather

Garlic goes into the ground in Knoxville from 13 October to the end of December; the window opens a month before the first autumn frost. Nights then average below 0 °C in January; the coldest, January, averages -0.5 °C.

Planting13 October – end of December
First autumn frost12 November
Coldest nightsJanuary, -0.5 °C
Soil back at 5 °C in springalready in the first week of January
Harvest (card)about 8 months after planting: June
Daylight11:24 on 13 October
Daylight at the winter solstice9:43

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

Garlic in Knoxville: care after planting

Planted on 13 October: in the first weeks water every 7 days.

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

  • 13 October — feed: nitrogen
  • 10 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 Knoxville, Asheville is 10 days earlier and Greenville 10 days later.

CityDistanceDateDifference
Asheville130 km3 October – end of December10 days earlier
Chattanooga156 km13 October – end of Decembersame day
Greenville184 km23 October – end of December10 days later
Athens (United States)229 km23 October – end of December10 days later
Lexington231 km8 October – end of December5 days earlier
Atlanta249 km23 October – end of December10 days later

Where to buy garlic for planting in Knoxville

Planting stock goes into the ground from 13 October to the end of December; buy it before that. Within 15 km of Knoxville OpenStreetMap lists 7 garden centres, 1 plant nursery and 5 markets (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant garlic in Knoxville?

In Knoxville, garlic: plant from 13 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 Knoxville?

Last spring frost around 29 March, first autumn frost around 12 November.

Other crops in Knoxville, with their dates