Climate-based carrot planting guide for Jackson, Wyoming
When to Plant Carrots in Jackson: Timing and Maturity Guide
Carrots are usually a dependable crop in Jackson. The season is supportive enough that gardeners usually have real flexibility in timing and variety choice, including very early to late varieties.
Typical Planting Window
Use the planting dates below for carrots in Jackson.
Gardeners usually sow outdoors around May 30. Most varieties need about 65–75 days to reach maturity.
Carrots usually perform reliably when planted on time in Jackson. Gardeners generally have enough room to choose varieties for preference, not just for speed.
The extra room here is most valuable when gardeners use it to improve finish quality and uniform sizing rather than merely count on maturity.
Best local strategy: Plant on time and focus on steady growth, spacing, and harvest timing.
Can Carrots Mature in Jackson?
Growing degree days measure how much useful warmth typically accumulates during the season. For carrots, this helps estimate whether local heat accumulation is usually enough for the crop to reach maturity on time.
From the usual planting window, Jackson typically provides about 1527 growing degree days for carrots. With a typical crop target of 750, that leaves a heat margin of +777. That heat margin usually gives the crop a dependable buffer, so gardeners have some flexibility in planting date and variety choice without pushing the crop close to the edge.
GDD Checkpoints for Jackson
If planting later than usual, this table shows how much growing degree day heat is still available from each point in the season. It is most useful for judging how much flexibility you still have before the crop starts losing margin.
| Checkpoint | Remaining GDD | Heat margin | Fit vs typical target |
|---|---|---|---|
| Apr 15 | 2345 | +1595 | Comfortable |
| May 1 | 2333 | +1583 | Comfortable |
| May 15 | 2262 | +1512 | Comfortable |
| Jun 1 | 2098 | +1348 | Comfortable |
| Jun 15 | 1915 | +1165 | Comfortable |
| Jul 1 | 1652 | +902 | Comfortable |
Best Carrot Varieties for Jackson
Most carrot varieties can succeed in Jackson in a typical year. That gives gardeners room to choose for the kind of harvest they want, not just for minimum maturity speed.
Varieties that often fit well here include:
- Amsterdam — quick and well suited where gardeners want a fast early carrot
- Nelson — a reliable early Nantes-type with broad short-season appeal
- Yaya — smooth and quick, with a strong fit for earlier harvest goals
- Bolero — productive and dependable where the season gives enough room
- Danvers 126 — a classic storage-leaning type that benefits from a little more runway
| Variety class | Typical days to maturity | Typical GDD need | Local fit |
|---|---|---|---|
| Very early | 55–60 | 650 | Good fit |
| Early | 60–68 | 750 | Good fit |
| Mid-season | 68–75 | 850 | Good fit |
| Late | 75–80 | 925 | Good fit |
Main risk: The most common problems here are practical ones: planting too late, losing momentum early, or choosing varieties that ask for more season than necessary.
How Frost Affects Carrots in Jackson
Jackson usually has about 72 frost-free days, with a typical last spring frost around June 20 and a typical first fall frost around August 31.
Carrots are generally somewhat frost tolerant and temperatures below about 28°F ( -2 °C) can slow growth or damage plants.
Carrots are usually tolerant enough of cool conditions that frost dates act more like planning markers than hard limits. In practice, timing and steady early growth matter more than avoiding every light frost.
The most common setbacks here are practical: planting too late, losing momentum early, or choosing varieties that ask for more season than necessary.
In Jackson, carrots usually have a solid seasonal margin when planted around June 13. The warmest garden spots are usually south-facing walls, sheltered gardens, raised beds, and sunnier urban lots. Cooler spots like low spots, exposed sites, and shadier yards tend to warm up later and usually provide less heat. For carrots, warmer garden spots usually improve early growth and can make timing a little more forgiving.
Related crops
Related crops worth comparing for the same city:
For a broader local overview, see the Jackson planting guide. You can also use the Growing Degree Day Planner to test planting dates and crop timing.