When to plant Komatsuna in Chippewa County, MN
Plant Komatsuna in Chippewa County after May 2; the prime window is April 25–May 16. A second sowing from July 12 to July 26 extends the harvest into fall.
When to Plant Komatsuna in Chippewa County, MN
Komatsuna (Japanese mustard spinach) is a versatile Asian green with glossy, dark leaves and a mild, sweet flavor. It is extremely cold-hardy and heat-tolerant.
Chippewa County, Minnesota is in USDA Zone 4b. The average last spring frost is May 2 and the first fall frost is October 4, giving you a growing season of approximately 155 days.
At an elevation of 626 feet, Chippewa County receives approximately 34.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Komatsuna to ensure they mature before fall.
Chippewa County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Komatsuna Planting Timeline — Chippewa County, MN
Komatsuna Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 21 | Mar 21 – Apr 4 |
| Transplant Outdoors | May 2 | May 2 – May 16 |
| Direct Sow | April 25 | Apr 25 – May 16 |
| Harvest | June 6 | Jun 6 – Jul 11 |
| Fall Sowing | July 12 | Jul 12 – Jul 26 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | Harvest |
| July | Fall Sowing Harvest |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
35–50 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 4b
📆 Growing Season
155 days in Chippewa County
Growing Tips for Chippewa County
Direct sow in spring or fall. One of the most forgiving Asian greens for all seasons. Harvest outer leaves or cut whole plants. Excellent for stir-fries, soups, or salads.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Komatsuna in Other Locations
Frequently Asked Questions
When should I plant Komatsuna in Chippewa County, MN?
Chippewa County is in Zone 4b with an average last frost of May 2. Plan your Komatsuna planting based on this frost date — see the calendar above for exact timing.
What planting zone is Chippewa County, MN?
Chippewa County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is May 2 and first fall frost is October 4.
When should I plant Komatsuna in Chippewa County, MN?
In Chippewa County, MN, plant Komatsuna after the last frost (around May 2) and before the first frost (around October 4). Best results when soil holds above 50°F.
What growing zone is Chippewa County, MN for Komatsuna?
Chippewa County sits in USDA Zone 4b. Komatsuna grows reliably in zones 2a through 11b, so it's a good fit here.
Can Komatsuna grow in Chippewa County's climate?
Yes — Komatsuna grows well in Chippewa County's temperate climate. Chippewa County averages a 155-day frost-free season, with last frost around May 2 and first frost around October 4.
Your Chippewa County Garden Planner — Free
A 22-page printable planner built for Chippewa 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.