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When to plant garlic in Allentown: 4 October – 30 December

In Allentown, garlic: plant from 4 October to about 30 December. For planting stock, the places nearby include Tall Timbers Nursery, Inc. (garden centre, 7 km) and Segan's Blumin' Haus (garden centre, 10 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 date is about two weeks before the average daily temperature here falls below 0 °C (ten years of weather): an estimate, not the day the ground freezes, and a cold spell can freeze it earlier. Sources: UVM Extension, UNH Extension, RHS, how the ground freezes (NRC Canada, CBD-26).

Garlic in Allentown: soil, season and weather

Garlic goes into the ground in Allentown from 4 October to about 30 December; the window opens a month before the first autumn frost. Nights then average below 0 °C in December–February; the coldest, January, averages -4 °C.

Planting4 October – 30 December
First autumn frost3 November
Coldest nightsJanuary, -4 °C
Soil back at 5 °C in spring5 March
Harvest (card)about 8 months after planting: June
Daylight11:40 on 4 October
Daylight at the winter solstice9:16

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

Garlic in Allentown: care after planting

Planted on 4 October: in the first weeks water every 7 days.

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

  • 4 October — feed: nitrogen
  • 1 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

All the nearest cities on our list plant garlic later than Allentown; the closest date is in Philadelphia, 8 days later.

CityDistanceDateDifference
Trenton73 km13 October – end of December9 days later
Philadelphia77 km12 October – end of December8 days later
Harrisburg124 km12 October – end of December8 days later
New York125 km21 October – end of December17 days later
Dover160 km27 October – end of December23 days later
Atlantic City165 km23 October – end of December19 days later

Where to buy garlic for planting in Allentown

Planting stock goes into the ground from 4 October to about 30 December; buy it before that. Within 15 km of Allentown OpenStreetMap lists 14 garden centres, 1 plant nursery, 6 markets and 7 farm shops (collected 29 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant garlic in Allentown?

In Allentown, garlic: plant from 4 October to about 30 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 Allentown?

Last spring frost around 15 April, first autumn frost around 3 November.

Other crops in Allentown, with their dates