When to Plant Kai Lan in Oktibbeha County, MS
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.
Oktibbeha County, Mississippi is in USDA Zone 7b. The average last spring frost is March 23 and the first fall frost is November 7, giving you a growing season of approximately 229 days.
At an elevation of 430 feet, Oktibbeha County receives approximately 60.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92°F, providing good warmth for Kai Lan during the growing season. Clay soil retains moisture well for Kai Lan, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Kai Lan root diseases.
Oktibbeha County Soil Profile
Soil Type
Clay Loam
Soil pH
5.7-6.2
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
Kai Lan Planting Timeline — Oktibbeha County, MS
Kai Lan Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 16 | Feb 16 – Mar 2 |
| Transplant Outdoors | March 23 | Mar 23 – Apr 6 |
| Direct Sow | March 9 | Mar 9 – Mar 30 |
| Fall Sowing | August 29 | Aug 29 – Sep 12 |
| Harvest | May 11 | May 11 – Jun 8 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Transplant Outdoors Direct Sow |
| April | Transplant Outdoors |
| 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
6 – 7.5
USDA Zone
Zone 7b
Growing Season
229 days
Growing Tips for Oktibbeha 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
Level Up Your Garden
Kai Lan in Other Locations
Frequently Asked Questions
When should I plant Kai Lan in Oktibbeha County, MS?
Oktibbeha County is in Zone 7b with an average last frost of March 23. Plan your Kai Lan planting based on this frost date — see the calendar above for exact timing.
What planting zone is Oktibbeha County, MS?
Oktibbeha County, Mississippi is in USDA Hardiness Zone 7b. The average last spring frost is March 23 and first fall frost is November 7.
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