When to Plant Mizuna in Atchison County, KS
Mizuna is a mild-flavored Japanese mustard green with feathery, deeply serrated leaves. It is fast-growing and makes an excellent addition to salads and stir-fries.
Atchison County, Kansas is in USDA Zone 5b. The average last spring frost is April 17 and the first fall frost is October 21, giving you a growing season of approximately 187 days.
At an elevation of 678 feet, Atchison County receives approximately 25.2 inches of rainfall annually with predominantly loam soil. Summer highs average 84°F, so choose short-season varieties of Mizuna to ensure they mature before fall.
Atchison County Soil Profile
Soil Type
Loam
Soil pH
6.4-7.8
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.
Soil Compatibility in Atchison County
How your county's soil matches Mizuna's growing requirements.
Soil pH
Your soil pH (6.4–7.8) overlaps with Mizuna's range (6.0–7.5), though not a perfect match.
Soil Texture
The loam soil in Atchison County is excellent for Mizuna — good drainage, moisture retention, and nutrient holding capacity.
Drainage
Drainage is adequate for Mizuna.
Organic Matter
Organic matter is moderate (3.5%). Annual compost additions will help Mizuna.
How to Plant Mizuna
Fall planting: Sow 10 weeks before your first frost date for a fall harvest.
Succession Planting Mizuna
Sow every 3.4 weeks. Last sowing by Sep 06 to harvest before frost.
For a dedicated fall crop, sow by Aug 12.
Plant Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Mizuna Planting Timeline — Atchison County, KS
Mizuna Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 13 | Mar 13 – Mar 27 |
| Transplant Outdoors | April 17 | Apr 17 – May 1 |
| Direct Sow | April 3 | Apr 3 – Apr 24 |
| Fall Sowing | August 12 | Aug 12 – Aug 26 |
| Harvest | May 22 | May 22 – Jun 19 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Harvest |
| June | Harvest |
| July | — |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
1"/week · 2-3 times/week
📅 Days to Maturity
30–45 days
🧪 Soil pH
Needs 6–7.5 · Your soil: acceptable
🗺️ USDA Zone
Zone 5b
📆 Growing Season
187 days in Atchison County
Growing Tips for Mizuna in Atchison County
Direct sow Mizuna outdoors after April 17 in Atchison County when soil has warmed and frost danger has passed.
Your generous 187.0-day season in Atchison County allows multiple plantings of Mizuna. Sow every 15.0 days for continuous harvest.
Common pests for Mizuna in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.
General growing tips
Direct sow in spring or fall. Harvest outer leaves as needed for a cut-and-come-again approach. Mizuna is one of the most cold-tolerant Asian greens.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Mizuna in Other Locations
Frequently Asked Questions
When should I plant Mizuna in Atchison County, KS?
Atchison County is in Zone 5b with an average last frost of April 17. Plan your Mizuna planting based on this frost date — see the calendar above for exact timing.
What planting zone is Atchison County, KS?
Atchison County, Kansas is in USDA Hardiness Zone 5b. The average last spring frost is April 17 and first fall frost is October 21.
Plan Your Garden with Confidence
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