When to Plant Bachelor Button in Wyoming
Direct Sow Outdoors
Saturday, April 11, 2026
State
Wyoming
USDA Zones
4a, 4b, 5a, 5b
Avg Last Frost
Saturday, April 25, 2026
Cities Covered
176
Wyoming Planting Schedule by Zone
Wyoming spans 4 zones — find yours below for the most accurate dates.
| Zone | Last Frost | Direct Sow |
|---|---|---|
| 4a | Friday, May 15, 2026 | Friday, May 1, 2026 |
| 4b | Tuesday, May 5, 2026 | Tuesday, April 21, 2026 |
| 5a | Sunday, May 10, 2026 | Sunday, April 26, 2026 |
| 5b | Saturday, April 25, 2026 | Saturday, April 11, 2026 |
Dates based on average last frost. Check your local forecast before planting.
🌿 About Bachelor Button
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Growing Bachelor Button in Wyoming: Complete Guide
Bachelor Button (Centaurea cyanus) is a crop that grows best when sown directly in the garden. In Wyoming, the right time to direct sow is around Saturday, April 11, 2026, once soil temperatures are consistently warm enough for germination.
Because Wyoming stretches across 4 USDA hardiness zones (4a, 4b, 5a, 5b), planting windows can shift by as much as two to four weeks from one end of the state to the other. Gardeners in the warmer southern zones can start earlier, while those in cooler northern zones should wait until the zone table above shows their last frost has passed.
With 60 days to maturity, Bachelor Button fits comfortably within Wyoming's growing season in most zones. In the warmest parts of the state, a second planting later in the season may be possible.
Bachelor Button requires full sun (6-8 hours) and low to moderate moisture. Most of Wyoming receives adequate sunlight during the growing season, though gardeners in humid eastern regions should watch for fungal issues and ensure good air circulation.
For the most precise planting dates tailored to your exact location, enter your ZIP code on our planting calendar or use the zone table above to find the schedule for your area of Wyoming.
Frequently Asked Questions
When should I plant Bachelor Button in Wyoming?
In Wyoming, direct sow Bachelor Button outdoors around Saturday, April 11, 2026. Wyoming spans zones 4a–5b, so gardeners in warmer zones can plant earlier.
What is the last frost date in Wyoming?
Wyoming spans 4 USDA zones (4a, 4b, 5a, 5b), so last frost dates vary by region. Bosler, Laramie, Medicine Bow (4a) sees frost until around Friday, May 15, 2026, while Cheyenne, Fe Warren Afb, Albin (5b) is frost-free much earlier.
How long does Bachelor Button take to grow in Wyoming?
Bachelor Button takes about 60 days from transplant (or direct sow) to harvest. In Wyoming's longer-season zones, a second planting in late summer may be possible.
What USDA zones does Wyoming cover for Bachelor Button?
Wyoming includes zones 4a, 4b, 5a, 5b. Bachelor Button grows well across all of these zones with adjusted timing — use the zone table above to find the right dates for your part of the state.
Find Precise Dates for Your City
Select a city for exact planting dates based on local frost records.