When to plant Komatsuna in Colbert County, AL
Colbert County's spring Komatsuna window runs March 23 through April 13. most warm-season crops establish quickly once soil holds above 60°F. A second sowing from August 19 to September 2 extends the harvest into fall.
When to Plant Komatsuna in Colbert 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.
Colbert County, Alabama is in USDA Zone 8a. The average last spring frost is April 6 and the first fall frost is October 28, giving you a growing season of approximately 205 days.
At an elevation of 380 feet, Colbert County receives approximately 50.9 inches of rainfall annually with predominantly clay loam soil. Summer highs average 89°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.
Colbert County Soil Profile
Soil Type
Clay Loam
Soil pH
5.5-6.2
Drainage
Well Drained
Monthly Watering Guide for Komatsuna
Komatsuna needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Komatsuna Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 4.2" | 0" | ❄️ Dormant |
| Feb | — | 4.6" | 0" | ❄️ Dormant |
| Mar | — | 4.8" | 0" | ❄️ Dormant |
| Apr | 4.3" | 3.6" | 0.7" | 💧 Light watering |
| May | 4.3" | 3.5" | 0.8" | 💧 Light watering |
| Jun | 4.3" | 5.1" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 5.1" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 4.4" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 3.6" | 0.7" | 💧 Light watering |
| Oct | 4.3" | 3.7" | 0.6" | 💧 Light watering |
| Nov | — | 4.2" | 0" | ❄️ Dormant |
| Dec | — | 4.2" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Colbert County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Komatsuna Planting Timeline — Colbert County, AL
Komatsuna Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 2 | Mar 2 – Mar 16 |
| Transplant Outdoors | April 6 | Apr 6 – Apr 20 |
| Direct Sow | March 23 | Mar 23 – Apr 13 |
| Harvest | May 11 | May 11 – Jun 15 |
| Fall Sowing | August 19 | Aug 19 – Sep 2 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | Harvest |
| June | Harvest |
| July | — |
| August | Fall Sowing |
| 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
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 8a
📆 Growing Season
205 days in Colbert County
Growing Tips for Colbert 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 Colbert County, AL?
Colbert County is in Zone 8a with an average last frost of April 6. Plan your Komatsuna planting based on this frost date — see the calendar above for exact timing.
What planting zone is Colbert County, AL?
Colbert County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is April 6 and first fall frost is October 28.
When should I plant Komatsuna in Colbert County, AL?
In Colbert County, AL, plant Komatsuna after the last frost (around April 6) and before the first frost (around October 28). Best results when soil holds above 50°F.
What growing zone is Colbert County, AL for Komatsuna?
Colbert County sits in USDA Zone 8a. Komatsuna grows reliably in zones 2a through 11b, so it's a good fit here.
Can Komatsuna grow in Colbert County's climate?
Yes — Komatsuna grows well in Colbert County's temperate climate. Colbert County averages a 205-day frost-free season, with last frost around April 6 and first frost around October 28.
Your Colbert County Garden Planner — Free
A 22-page printable planner built for Colbert County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.