When to plant Hubbard Squash in Kittson County, MN
Kittson County's 139-day season only supports one Hubbard Squash planting per year. Sow between May 28 and June 18 for the best chance at full maturity before September 30.
When to Plant Hubbard Squash in Kittson County, MN
Hubbard squash is a large, bumpy-skinned winter squash with dense, sweet, dry flesh ideal for baking and pies. The hard shell allows storage for 6 months or more.
Kittson County, Minnesota is in USDA Zone 3b. The average last spring frost is May 14 and the first fall frost is September 30, giving you a growing season of approximately 139 days.
At an elevation of 778 feet, Kittson County receives approximately 40.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 78°F, so choose short-season varieties of Hubbard Squash to ensure they mature before fall.
Kittson County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Hubbard Squash Planting Timeline — Kittson County, MN
Hubbard Squash Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 2 | Apr 2 – Apr 16 |
| Transplant Outdoors | June 4 | Jun 4 – Jun 18 |
| Direct Sow | May 28 | May 28 – Jun 18 |
| Harvest | September 17 | Sep 17 – Oct 8 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | Direct Sow |
| June | Transplant Outdoors Direct Sow |
| July | — |
| August | — |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
100–120 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 3b
📆 Growing Season
139 days in Kittson County
Growing Tips for Kittson County
Start seeds indoors in short-season areas. Requires ample space and rich soil. Harvest when the skin is very hard and the color is deep. Cure in the sun before storing.
Companion Planting
Good Companions
Avoid Planting Near
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Hubbard Squash in Other Locations
Frequently Asked Questions
When should I plant Hubbard Squash in Kittson County, MN?
Kittson County is in Zone 3b with an average last frost of May 14. Plan your Hubbard Squash planting based on this frost date — see the calendar above for exact timing.
What planting zone is Kittson County, MN?
Kittson County, Minnesota is in USDA Hardiness Zone 3b. The average last spring frost is May 14 and first fall frost is September 30.
When should I plant Hubbard Squash in Kittson County, MN?
In Kittson County, MN, plant Hubbard Squash after the last frost (around May 14) and before the first frost (around September 30). Best results when soil holds above 50°F.
What growing zone is Kittson County, MN for Hubbard Squash?
Kittson County sits in USDA Zone 3b. Hubbard Squash grows reliably in zones 3a through 10b, so it's a good fit here.
Can Hubbard Squash grow in Kittson County's climate?
Yes — Hubbard Squash grows well in Kittson County's temperate climate. Kittson County averages a 139-day frost-free season, with last frost around May 14 and first frost around September 30.
Your Kittson County Garden Planner — Free
A 22-page printable planner built for Kittson County (Zone 3b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.