When to plant Kabocha in Fillmore County, MN
In Zone 4b (Fillmore County), direct-sow Kabocha between May 17 and June 7 for spring, after the May 3 last-frost mark.
When to Plant Kabocha in Fillmore County, MN
Kabocha is a Japanese winter squash with an exceptionally sweet, dense, chestnut-like flesh and dark green skin. It is a favorite in Asian cuisine for its rich, dry texture.
Fillmore County, Minnesota is in USDA Zone 4b. The average last spring frost is May 3 and the first fall frost is October 6, giving you a growing season of approximately 156 days.
At an elevation of 870 feet, Fillmore County receives approximately 37.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Kabocha to ensure they mature before fall.
Fillmore County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Kabocha Planting Timeline — Fillmore County, MN
Kabocha Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 22 | Mar 22 – Apr 5 |
| Transplant Outdoors | May 24 | May 24 – Jun 7 |
| Direct Sow | May 17 | May 17 – Jun 7 |
| Harvest | August 23 | Aug 23 – Sep 20 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | Transplant Outdoors Direct Sow |
| July | — |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
85–100 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 4b
📆 Growing Season
156 days in Fillmore County
Growing Tips for Fillmore County
Direct sow after frost or start indoors. Harvest when the skin is hard and dull. The stem should be dry and corky. Stores well for 3-4 months in a cool, dry place.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Kabocha in Other Locations
Frequently Asked Questions
When should I plant Kabocha in Fillmore County, MN?
Fillmore County is in Zone 4b with an average last frost of May 3. Plan your Kabocha planting based on this frost date — see the calendar above for exact timing.
What planting zone is Fillmore County, MN?
Fillmore County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is May 3 and first fall frost is October 6.
When should I plant Kabocha in Fillmore County, MN?
In Fillmore County, MN, plant Kabocha after the last frost (around May 3) and before the first frost (around October 6). Best results when soil holds above 50°F.
What growing zone is Fillmore County, MN for Kabocha?
Fillmore County sits in USDA Zone 4b. Kabocha grows reliably in zones 3a through 11b, so it's a good fit here.
Can Kabocha grow in Fillmore County's climate?
Yes — Kabocha grows well in Fillmore County's temperate climate. Fillmore County averages a 156-day frost-free season, with last frost around May 3 and first frost around October 6.
Your Fillmore County Garden Planner — Free
A 22-page printable planner built for Fillmore County (Zone 4b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.