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When to plant garlic in Baltimore: 23 October – end of December

In Baltimore, garlic: plant from 23 October to the end of December. For planting stock, the places nearby include DJ Liquidators (garden centre, 10 km) and Poor Boy's (garden centre, 11 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 Baltimore: soil, season and weather

Garlic goes into the ground in Baltimore from 23 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 -1.2 °C.

Planting23 October – end of December
First autumn frost22 November
Coldest nightsJanuary, -1.2 °C
Soil back at 5 °C in spring16 January
Harvest (card)about 8 months after planting: June
Daylight10:54 on 23 October
Daylight at the winter solstice9:24

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

Garlic in Baltimore: care after planting

Planted on 23 October: in the first weeks water every 7 days.

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

  • 23 October — feed: nitrogen
  • 20 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 Baltimore, Hagerstown is 11 days earlier and Dover 4 days later.

CityDistanceDateDifference
Annapolis37 km20 October – end of December3 days earlier
Washington, D.C.56 km17 October – end of December6 days earlier
Dover95 km27 October – end of December4 days later
Hagerstown104 km12 October – end of December11 days earlier
Harrisburg111 km12 October – end of December11 days earlier
Philadelphia144 km12 October – end of December11 days earlier

Where to buy garlic for planting in Baltimore

Planting stock goes into the ground from 23 October to the end of December; buy it before that. Within 15 km of Baltimore OpenStreetMap lists 8 garden centres, 4 plant nurseries, 20 markets and 3 farm shops (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant garlic in Baltimore?

In Baltimore, garlic: plant from 23 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 Baltimore?

Last spring frost around 31 March, first autumn frost around 22 November.

Other crops in Baltimore, with their dates