When to plant Kai Lan in Calloway County, KY
In Zone 7b (Calloway County), direct-sow Kai Lan between March 22 and April 12 for spring, after the April 5 last-frost mark. A second sowing from August 20 to September 3 extends the harvest into fall.
When to Plant Kai Lan in Calloway County, KY
Kai lan (Chinese broccoli) is a brassica grown for its thick, glossy stems and small flower buds. It has a slightly bitter, broccoli-like flavor essential in Cantonese cooking.
Calloway County, Kentucky is in USDA Zone 7b. The average last spring frost is April 5 and the first fall frost is October 29, giving you a growing season of approximately 207 days.
At an elevation of 2,755 feet, Calloway County receives approximately 42 inches of rainfall annually with predominantly silt loam soil. Summer highs average 93°F, providing good warmth for Kai Lan during the growing season.
Calloway County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Kai Lan Planting Timeline — Calloway County, KY
Kai Lan Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 1 | Mar 1 – Mar 15 |
| Transplant Outdoors | April 5 | Apr 5 – Apr 19 |
| Direct Sow | March 22 | Mar 22 – Apr 12 |
| Harvest | May 24 | May 24 – Jun 21 |
| Fall Sowing | August 20 | Aug 20 – Sep 3 |
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
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
45–60 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 7b
📆 Growing Season
207 days in Calloway County
Growing Tips for Calloway County
Direct sow in spring or fall. Harvest when flower buds first appear but before they open. Cut stems at the base to encourage side shoots. Prefers cool weather.
Companion Planting
Good Companions
Avoid Planting Near
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Kai Lan in Other Locations
Frequently Asked Questions
When should I plant Kai Lan in Calloway County, KY?
Calloway County is in Zone 7b with an average last frost of April 5. Plan your Kai Lan planting based on this frost date — see the calendar above for exact timing.
What planting zone is Calloway County, KY?
Calloway County, Kentucky is in USDA Hardiness Zone 7b. The average last spring frost is April 5 and first fall frost is October 29.
When should I plant Kai Lan in Calloway County, KY?
In Calloway County, KY, plant Kai Lan after the last frost (around April 5) and before the first frost (around October 29). Best results when soil holds above 50°F.
What growing zone is Calloway County, KY for Kai Lan?
Calloway County sits in USDA Zone 7b. Kai Lan grows reliably in zones 2a through 11b, so it's a good fit here.
Can Kai Lan grow in Calloway County's climate?
Yes — Kai Lan grows well in Calloway County's temperate climate. Calloway County averages a 207-day frost-free season, with last frost around April 5 and first frost around October 29.
Your Calloway County Garden Planner — Free
A 22-page printable planner built for Calloway County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.