When to Plant Kohlrabi in Jefferson Davis Parish, LA
Your May planting checklist for Jefferson Davis Parish, Louisiana
May rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Jefferson Davis Parish, Louisiana.
-
Collect kohlrabi at their peak
The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.
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.
Jefferson Davis Parish, Louisiana is in USDA Zone 9a. The average last spring frost is February 13 and the first fall frost is December 7, giving you a growing season of approximately 297 days.
At an elevation of 381 feet, Jefferson Davis Parish receives approximately 61.2 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 95°F, so Kohlrabi may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Kohlrabi will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Kohlrabi root diseases.
Jefferson Davis Parish Soil Profile
Soil Type
Sandy Loam
Soil pH
5.2-6.3
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 Jefferson Davis Parish
How your county's soil matches Kohlrabi's growing requirements.
Soil pH
Your soil pH (5.2–6.3) is more acidic than Kohlrabi prefers (6.0–7.5). Add garden lime to raise pH.
Soil Texture
Sandy soil in Jefferson Davis Parish warms quickly in spring but drains fast. Kohlrabi will need more frequent watering and regular compost additions to retain nutrients.
Drainage
Drainage is adequate for Kohlrabi.
Organic Matter
Organic matter is low (2.0%). Add 2-3 inches of compost before planting Kohlrabi.
How to Plant Kohlrabi
Fall planting: Sow 8 weeks before your first frost date for a fall harvest.
Succession Planting Kohlrabi
Sow every 5.1 weeks. Last sowing by Oct 03 to harvest before frost.
For a dedicated fall crop, sow by Oct 12.
Plant Water Budget
Monthly Watering Guide for Kohlrabi
Kohlrabi needs approximately 0.7 inches of water per week (3" per month). Here's how your county's rainfall compares month by month.
| Month | Kohlrabi Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 5.4" | 0" | ❄️ Dormant |
| Feb | 3" | 4.8" | 0" | ✅ Rainfall sufficient |
| Mar | 3" | 5.7" | 0" | ✅ Rainfall sufficient |
| Apr | 3" | 4.6" | 0" | ✅ Rainfall sufficient |
| May | 3" | 5.3" | 0" | ✅ Rainfall sufficient |
| Jun | 3" | 4.5" | 0" | ✅ Rainfall sufficient |
| Jul | 3" | 6.7" | 0" | ✅ Rainfall sufficient |
| Aug | 3" | 6.2" | 0" | ✅ Rainfall sufficient |
| Sep | 3" | 4.6" | 0" | ✅ Rainfall sufficient |
| Oct | 3" | 3.7" | 0" | ✅ Rainfall sufficient |
| Nov | 3" | 4.3" | 0" | ✅ Rainfall sufficient |
| Dec | 3" | 5.4" | 0" | ✅ Rainfall sufficient |
Water needs are for active growing months only (Feb–Dec in Jefferson Davis Parish). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Kohlrabi Heat Requirements (GDD)
What are Growing Degree Days (GDD)?
Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.
Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.
Kohlrabi Planting Timeline — Jefferson Davis Parish, LA
Kohlrabi Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 16 | Jan 16 – Jan 30 |
| Transplant Outdoors | February 13 | Feb 13 – Feb 27 |
| Direct Sow | January 23 | Jan 23 – Feb 13 |
| Harvest | April 3 | Apr 3 – May 8 |
| Fall Sowing | October 12 | Oct 12 – Oct 26 |
Plant 0.5" deep · 4" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors Direct Sow |
| February | Transplant Outdoors Direct Sow |
| March | — |
| April | Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | — |
| September | — |
| October | Fall Sowing |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.7"/week · Natural rainfall sufficient
📅 Days to Maturity
45–65 days
🧪 Soil pH
Needs 6–7.5 · Your soil: too_acidic
🗺️ USDA Zone
Zone 9a
📆 Growing Season
297 days in Jefferson Davis Parish
Growing Tips for Kohlrabi in Jefferson Davis Parish
Direct sow Kohlrabi outdoors after February 13 in Jefferson Davis Parish when soil has warmed and frost danger has passed.
Sandy soil in Jefferson Davis Parish dries quickly — mulch Kohlrabi with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.
Your generous 298.0-day season in Jefferson Davis Parish allows multiple plantings of Kohlrabi. Sow every 22.0 days for continuous harvest.
Common pests for Kohlrabi 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 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
Check more plant combinations with our Companion Planting Checker →
Kohlrabi in Other Locations
Frequently Asked Questions
When should I plant Kohlrabi in Jefferson Davis Parish, LA?
Jefferson Davis Parish is in Zone 9a with an average last frost of February 13. Plan your Kohlrabi planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jefferson Davis Parish, LA?
Jefferson Davis Parish, Louisiana is in USDA Hardiness Zone 9a. The average last spring frost is February 13 and first fall frost is December 7.
Your Jefferson Davis Parish Garden Planner — Free
A 24-page printable planner built for Jefferson Davis Parish (Zone 9a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.