When to plant Shiso in Big Stone County, MN
Big Stone County's climate puts the Shiso spring window between May 9 and May 30. be cautious and check the 10-day forecast before planting tender crops.
When to Plant Shiso in Big Stone County, MN
Shiso (perilla) is a fragrant Japanese herb with large, ruffled leaves in green or purple varieties. It has a unique flavor combining mint, basil, and anise.
Big Stone 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 823 feet, Big Stone County receives approximately 32.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Shiso to ensure they mature before fall.
Big Stone County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Shiso Planting Timeline — Big Stone County, MN
Shiso Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 7 | Mar 7 – Mar 21 |
| Transplant Outdoors | May 23 | May 23 – Jun 6 |
| Direct Sow | May 9 | May 9 – May 30 |
| Harvest | July 18 | Jul 18 – Sep 12 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | — |
| May | Transplant Outdoors Direct Sow |
| June | Transplant Outdoors |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
50–70 days
🧪 Soil pH
Needs 5.5–7 · Your soil: N/A
🗺️ USDA Zone
Zone 4b
📆 Growing Season
155 days in Big Stone County
Growing Tips for Big Stone County
Direct sow after last frost or start indoors. Both green and red varieties are available. Pinch tips to encourage bushiness. Self-sows prolifically; deadhead to control.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Shiso in Other Locations
Frequently Asked Questions
When should I plant Shiso in Big Stone County, MN?
Big Stone County is in Zone 4b with an average last frost of May 2. Plan your Shiso planting based on this frost date — see the calendar above for exact timing.
What planting zone is Big Stone County, MN?
Big Stone 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 Shiso in Big Stone County, MN?
In Big Stone County, MN, plant Shiso 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 Big Stone County, MN for Shiso?
Big Stone County sits in USDA Zone 4b. Shiso grows reliably in zones 3a through 11b, so it's a good fit here.
Can Shiso grow in Big Stone County's climate?
Yes — Shiso grows well in Big Stone County's temperate climate. Big Stone County averages a 155-day frost-free season, with last frost around May 2 and first frost around October 4.
Your Big Stone County Garden Planner — Free
A 22-page printable planner built for Big Stone 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.