When to Plant Komatsuna in Autauga County, AL
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.
Autauga County, Alabama is in USDA Zone 8a. The average last spring frost is March 14 and the first fall frost is November 14, giving you a growing season of approximately 245 days.
At an elevation of 80 feet, Autauga County receives approximately 58.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91°F, providing good warmth for Komatsuna during the growing season. Clay soil retains moisture well for Komatsuna, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Komatsuna root diseases.
Autauga County Soil Profile
Soil Type
Clay Loam
Soil pH
5.7-6.5
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.
Plant Water Budget
Komatsuna Planting Timeline — Autauga County, AL
Komatsuna Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 7 | Feb 7 – Feb 21 |
| Transplant Outdoors | March 14 | Mar 14 – Mar 28 |
| Direct Sow | February 28 | Feb 28 – Mar 21 |
| Fall Sowing | September 5 | Sep 5 – Sep 19 |
| Harvest | April 18 | Apr 18 – May 23 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | — |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
35–50 days
Soil pH
6 – 7.5
USDA Zone
Zone 8a
Growing Season
245 days
Growing Tips for Autauga 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
Level Up Your Garden
Komatsuna in Other Locations
Frequently Asked Questions
When should I plant Komatsuna in Autauga County, AL?
Autauga County is in Zone 8a with an average last frost of March 14. Plan your Komatsuna planting based on this frost date — see the calendar above for exact timing.
What planting zone is Autauga County, AL?
Autauga County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is March 14 and first fall frost is November 14.
Plan Your Garden with Confidence
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