When to Plant Hardy Kiwi in Waushara County, WI
Hardy kiwi produces grape-sized, smooth-skinned fruits eaten whole without peeling. Unlike fuzzy kiwi, it is extremely cold-hardy to -25F once established.
Waushara County, Wisconsin is in USDA Zone 4b. The average last spring frost is April 30 and the first fall frost is October 9, giving you a growing season of approximately 162 days.
At an elevation of 560 feet, Waushara County receives approximately 37.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Hardy Kiwi to ensure they mature before fall.
Waushara County Soil Profile
Soil Type
Silt Loam
Soil pH
5.8-6.9
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
Hardy Kiwi Planting Timeline — Waushara County, WI
Hardy Kiwi Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 28 | May 28 – Jun 11 |
· 72" apart · Rows 96" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | Transplant Outdoors |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
1095–1825 days
Soil pH
5.5 – 7
USDA Zone
Zone 4b
Growing Season
162 days
Growing Tips for Waushara County
Plant male and female vines for pollination. Provide very strong trellising as vines become massive. Prune similarly to grapes. Protect young plants from late spring frost.
Companion Planting
Good Companions
Level Up Your Garden
Hardy Kiwi in Other Locations
Frequently Asked Questions
When should I plant Hardy Kiwi in Waushara County, WI?
Waushara County is in Zone 4b with an average last frost of April 30. Plan your Hardy Kiwi planting based on this frost date — see the calendar above for exact timing.
What planting zone is Waushara County, WI?
Waushara County, Wisconsin is in USDA Hardiness Zone 4b. The average last spring frost is April 30 and first fall frost is October 9.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Waushara County gardeners in Zone 4b organize planting dates, track what's growing, and never miss a planting window.
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