When to plant Kohlrabi in Atchison County, KS
Atchison County's climate puts the Kohlrabi spring window between April 3 and April 24. time plantings around the expected last-frost window for best survival. A second sowing from August 12 to August 26 extends the harvest into fall.
When to Plant Kohlrabi in Atchison County, KS
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.
Atchison County, Kansas is in USDA Zone 6a. 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 Kohlrabi to ensure they mature before fall.
Atchison County Soil Profile
Soil Type
Loam
Soil pH
6.4-7.8
Drainage
Well Drained
Monthly Watering Guide for Kohlrabi
Kohlrabi needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Kohlrabi Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 0.6" | 0" | ❄️ Dormant |
| Feb | — | 0.8" | 0" | ❄️ Dormant |
| Mar | — | 1.8" | 0" | ❄️ Dormant |
| Apr | 4.3" | 2.5" | 1.8" | 💧 Light watering |
| May | 4.3" | 3.4" | 0.9" | 💧 Light watering |
| Jun | 4.3" | 4.2" | 0.1" | 💧 Light watering |
| Jul | 4.3" | 3.5" | 0.8" | 💧 Light watering |
| Aug | 4.3" | 2.9" | 1.4" | 💧 Light watering |
| Sep | 4.3" | 2.1" | 2.2" | 🚿 Regular watering |
| Oct | 4.3" | 1.9" | 2.4" | 🚿 Regular watering |
| Nov | — | 0.9" | 0" | ❄️ Dormant |
| Dec | — | 0.6" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Atchison County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Kohlrabi Planting Timeline — Atchison County, KS
Kohlrabi 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 |
| Harvest | June 5 | Jun 5 – Jul 10 |
| Fall Sowing | August 12 | Aug 12 – Aug 26 |
Plant 0.5" deep · 4" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow |
| May | Transplant Outdoors |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
45–65 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
187 days in Atchison County
Growing Tips for Atchison 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
Check more plant combinations with our Companion Planting Checker →
Kohlrabi in Other Locations
Frequently Asked Questions
When should I plant Kohlrabi in Atchison County, KS?
Atchison County is in Zone 6a with an average last frost of April 17. Plan your Kohlrabi 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 6a. The average last spring frost is April 17 and first fall frost is October 21.
When should I plant Kohlrabi in Atchison County, KS?
In Atchison County, KS, plant Kohlrabi after the last frost (around April 17) and before the first frost (around October 21). Best results when soil holds above 50°F.
What growing zone is Atchison County, KS for Kohlrabi?
Atchison County sits in USDA Zone 6a. Kohlrabi grows reliably in zones 2a through 11b, so it's a good fit here.
Can Kohlrabi grow in Atchison County's climate?
Yes — Kohlrabi grows well in Atchison County's temperate climate. Atchison County averages a 187-day frost-free season, with last frost around April 17 and first frost around October 21.
Your Atchison County Garden Planner — Free
A 22-page printable planner built for Atchison County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.