GreenlyWhen to plant garlic in Trenton: 13 October – end of December
In Trenton, 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.
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.
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Garlic in Trenton: soil, season and weather
Garlic goes into the ground in Trenton 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 December–February; the coldest, January, averages -2.7 °C.
| Planting | 13 October – end of December |
|---|---|
| First autumn frost | 12 November |
| Coldest nights | January, -2.7 °C |
| Soil back at 5 °C in spring | 2 February |
| Harvest (card) | about 8 months after planting: June |
| Daylight | 11:17 on 13 October |
| Daylight at the winter solstice | 9:18 |
The same dates in Trenton hold for Tulip, Daffodil, Crocus and Hyacinth.
Garlic in Trenton: 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 Trenton, Allentown is 9 days earlier and Dover 14 days later.
| City | Distance | Date | Difference |
|---|---|---|---|
| Philadelphia | 45 km | 12 October – end of December | 1 day earlier |
| Allentown | 73 km | 4 October – 30 December | 9 days earlier |
| New York | 84 km | 21 October – end of December | 8 days later |
| Atlantic City | 100 km | 23 October – end of December | 10 days later |
| Dover | 134 km | 27 October – end of December | 14 days later |
| Harrisburg | 179 km | 12 October – end of December | 1 day earlier |
Where to buy garlic for planting in Trenton
Planting stock goes into the ground from 13 October to the end of December; buy it before that. Within 15 km of Trenton OpenStreetMap lists 6 garden centres, 1 farm-supply shop, 3 plant nurseries, 5 markets and 3 farm shops (collected 28 October 2026).
- Willis Greenhouses — plant nursery
6 km - Jug Hill Christmas Tree Farm — plant nursery
9 km - Colavita Christmas Tree Farm — plant nursery
11 km - Blue Moon Acres Farm Store — farm shop
14 km
Places: © OpenStreetMap contributors, ODbL.
- How to grow garlic
- All frost dates and weather of Trenton
- Shops and markets: Trenton
- Selling a surplus in the United States
- When to plant garlic in the United States
- Trenton: #416 of 801 by frost-free season
- Moon planting calendar for November 2026
- How we calculate the dates
Questions
When to plant garlic in Trenton?
In Trenton, 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 Trenton?
Last spring frost around 6 April, first autumn frost around 12 November.
Other crops in Trenton, with their dates
- Tomato · 3 May – 23 July
- Cucumber · 21 May – 28 August
- Bell Pepper · 21 May – 23 July
- Eggplant · 21 May – 23 July
- Zucchini · 21 May – 26 August
- Pumpkin · 21 May – 18 July
- Watermelon · 21 May – 3 August
- Peas · 16 March – 30 August
- Tulip · 13 October – end of December
- Daffodil · 13 October – end of December
- Crocus · 13 October – end of December
- Hyacinth · 13 October – end of December
