Climate-based cabbage planting guide for Jackson, Wyoming
When to Plant Cabbage in Jackson: Timing and Maturity Guide
Cabbage is usually a good match for the season in Jackson. Gardeners generally have enough margin to think about preference and quality, not just speed.
Typical Planting Window
Use the planting dates below for cabbage in Jackson.
Gardeners usually start indoors around April 25 and plant outdoors from about June 6. Most varieties need about 70–90 days to reach maturity once they are in the garden.
Cabbage is usually a dependable choice in Jackson. Normal timing and realistic variety choice are usually enough to produce dependable results.
This crop is usually dependable here, though the difference between decent and excellent results still comes from steady growth and harvest stage.
Best local strategy: Treat the season as supportive, then focus on consistency and crop quality more than simple maturity insurance.
Can Cabbage Mature in Jackson?
Growing degree days measure how much useful warmth typically accumulates during the season. For cabbage, 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 1702 growing degree days for cabbage. With a typical crop target of 1000, that leaves a heat margin of +702. 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 | +1345 | Comfortable |
| May 1 | 2333 | +1333 | Comfortable |
| May 15 | 2262 | +1262 | Comfortable |
| Jun 1 | 2098 | +1098 | Comfortable |
| Jun 15 | 1915 | +915 | Comfortable |
| Jul 1 | 1652 | +652 | Comfortable |
Best Cabbage Varieties for Jackson
The season in Jackson usually supports most cabbage varieties comfortably, which means the more useful decision is what kind of crop you want rather than simply how fast it finishes.
Varieties that often fit well here include:
- Golden Acre — a classic early cabbage with strong practical fit in shorter seasons
- Stonehead — reliable and approachable, especially where gardeners want a firm early head
- Cheers — productive and strong where the season offers a comfortable cool run
- Storage No. 4 — better suited where the growing window gives longer room for finishing
| Variety class | Typical days to maturity | Typical GDD need | Local fit |
|---|---|---|---|
| Very early | 60–70 | 800 | Good fit |
| Early | 70–80 | 900 | Good fit |
| Mid-season | 80–95 | 1000 | Good fit |
| Late | 95–110 | 1150 | Good fit |
Main risk: When this crop underperforms in Jackson, the culprit is usually timing or variety choice rather than the climate itself.
How Frost Affects Cabbage 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.
Cabbage is generally somewhat frost tolerant and temperatures below about 28°F ( -2 °C) can slow growth or damage plants.
Cabbage is usually tolerant enough of cool conditions that light frost is not the main concern. The more useful question is how early planting affects establishment and overall crop quality.
When this crop underperforms in Jackson, the culprit is usually timing or variety choice rather than the climate itself.
In Jackson, the local season usually gives cabbage plenty of breathing room when planting happens around May 30. For a better local margin, gardeners usually do best in south-facing walls, sheltered gardens, raised beds, and sunnier urban lots. Cooler spots like low spots, exposed sites, and shadier yards often make timing tighter. For cabbage, the best local sites often help the crop get moving earlier and 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.