When to Plant Kohlrabi in Etowah County, AL
Kohlrabi is an unusual brassica that forms a swollen stem above ground with a mild, sweet turnip-like flavor. Both the bulb and tender leaves are edible.
Etowah County, Alabama is in USDA Zone 7b. The average last spring frost is March 31 and the first fall frost is October 31, giving you a growing season of approximately 214 days.
At an elevation of 98 feet, Etowah County receives approximately 52.9 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92°F, providing good warmth for Kohlrabi during the growing season. Clay soil retains moisture well for Kohlrabi, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Kohlrabi root diseases.
Etowah County Soil Profile
Soil Type
Clay Loam
Soil pH
5.6-6.5
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
Kohlrabi Planting Timeline — Etowah County, AL
Kohlrabi Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 24 | Feb 24 – Mar 10 |
| Transplant Outdoors | March 31 | Mar 31 – Apr 14 |
| Direct Sow | March 17 | Mar 17 – Apr 7 |
| Fall Sowing | August 22 | Aug 22 – Sep 5 |
| Harvest | May 19 | May 19 – Jun 23 |
Plant 0.5" deep · 4" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Transplant Outdoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | Harvest |
| June | Harvest |
| July | — |
| August | Fall Sowing |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
45–65 days
Soil pH
6 – 7.5
USDA Zone
Zone 7b
Growing Season
214 days
Growing Tips for Etowah County
Direct sow in spring or fall. Harvest when bulbs are 2-3 inches in diameter for best texture and flavor. Larger bulbs may become woody and fibrous.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Kohlrabi in Other Locations
Frequently Asked Questions
When should I plant Kohlrabi in Etowah County, AL?
Etowah County is in Zone 7b with an average last frost of March 31. Plan your Kohlrabi planting based on this frost date — see the calendar above for exact timing.
What planting zone is Etowah County, AL?
Etowah County, Alabama is in USDA Hardiness Zone 7b. The average last spring frost is March 31 and first fall frost is October 31.
Plan Your Garden with Confidence
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