When to Plant Cranberries in Wibaux County, MT
Cranberries are low-growing, vine-like shrubs that produce tart red berries in fall. They grow in acidic, boggy conditions and are surprisingly easy to cultivate.
Wibaux County, Montana is in USDA Zone 4a. The average last spring frost is May 14 and the first fall frost is September 22, giving you a growing season of approximately 131 days.
At an elevation of 7,076 feet, Wibaux County receives approximately 15.4 inches of rainfall annually with predominantly loam soil. Summer highs average 82°F, so choose short-season varieties of Cranberries to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Cranberries successfully. Mulch heavily to conserve soil moisture.
Wibaux County Soil Profile
Soil Type
Loam
Soil pH
6.5-8.3
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Cranberries Planting Timeline — Wibaux County, MT
Cranberries Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | June 11 | Jun 11 – Jun 25 |
· 36" apart · Rows 48" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | Transplant Outdoors |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
High — keep soil consistently moist
Days to Maturity
730–1095 days
Soil pH
4 – 5.5
USDA Zone
Zone 4a
Growing Season
131 days
Growing Tips for Wibaux County
Create an acidic, consistently moist bed with peat moss. Cranberries do not need to be flooded to grow; flooding is only used for commercial harvesting. Mulch with sand in early spring.
Companion Planting
Good Companions
Level Up Your Garden
Cranberries in Other Locations
Frequently Asked Questions
When should I plant Cranberries in Wibaux County, MT?
Wibaux County is in Zone 4a with an average last frost of May 14. Plan your Cranberries planting based on this frost date — see the calendar above for exact timing.
What planting zone is Wibaux County, MT?
Wibaux County, Montana is in USDA Hardiness Zone 4a. The average last spring frost is May 14 and first fall frost is September 22.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Wibaux County gardeners in Zone 4a organize planting dates, track what's growing, and never miss a planting window.
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