GreenlyWhen to plant garlic in Colorado Springs: 15 September – 16 December
In Colorado Springs, garlic: plant from 15 September to about 16 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 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).
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Garlic in Colorado Springs: soil, season and weather
Garlic goes into the ground in Colorado Springs from 15 September to about 16 December; the window opens a month before the first autumn frost. Nights then average below 0 °C in November–March; the coldest, February, averages -7.7 °C.
| Planting | 15 September – 16 December |
|---|---|
| First autumn frost | 15 October |
| Coldest nights | February, -7.7 °C |
| Soil back at 5 °C in spring | 13 March |
| Harvest (card) | about 8 months after planting: May |
| Daylight | 12:29 on 15 September |
| Daylight at the winter solstice | 9:27 |
Garlic in Colorado Springs: care after planting
Planted on 15 September: in the first weeks water every 7 days.
Feeding, by the card’s schedule from that day:
- 15 September — feed: nitrogen
- 13 October — 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 Colorado Springs, Cheyenne is 2 days earlier and Pueblo 13 days later.
| City | Distance | Date | Difference |
|---|---|---|---|
| Pueblo | 66 km | 28 September – end of December | 13 days later |
| Denver | 102 km | 15 September – 14 December | same day |
| Fort Collins | 192 km | 21 September – 5 December | 6 days later |
| Cheyenne | 257 km | 13 September – 4 December | 2 days earlier |
| Grand Junction | 326 km | 27 September – 7 December | 12 days later |
| Santa Fe (United States) | 363 km | 26 September – 11 December | 11 days later |
Where to buy garlic for planting in Colorado Springs
Planting stock goes into the ground from 15 September to about 16 December; buy it before that. Within 15 km of Colorado Springs OpenStreetMap lists 16 garden centres, 2 farm-supply shops, 1 plant nursery, 2 markets and 1 farm shop (collected 20 October 2026).
- Rocky Top Resources — garden centre
3 km · rockytopresources.com - Home Depot Garden Center — garden centre
3 km - Don's Garden Shop — garden centre
9 km - Home Depot — garden centre
15 km
Places: © OpenStreetMap contributors, ODbL.
- How to grow garlic
- All frost dates and weather of Colorado Springs
- Shops and markets: Colorado Springs
- Selling a surplus in the United States
- When to plant garlic in the United States
- Colorado Springs: #719 of 801 by frost-free season
- Moon planting calendar for November 2026
- How we calculate the dates
Questions
When to plant garlic in Colorado Springs?
In Colorado Springs, garlic: plant from 15 September to about 16 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 Colorado Springs?
Last spring frost around 3 May, first autumn frost around 15 October.
