When to Plant Kai Lan in Claiborne County, MS
Your May game plan for Claiborne County, Mississippi
Your garden in Claiborne County, Mississippi is working on a schedule, even when you're not. Here's where you should be this May.
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Bring in the kai lan
Check every 1–2 days. Many of these get tough or go to seed if you wait too long.
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.
Claiborne County, Mississippi is in USDA Zone 8b. The average last spring frost is March 12 and the first fall frost is November 13, giving you a growing season of approximately 246 days.
At an elevation of 115 feet, Claiborne County receives approximately 55.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97°F, so Kai Lan may need afternoon shade and extra watering during peak heat. 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.
Claiborne County Soil Profile
Soil Type
Clay Loam
Soil pH
5.3-6.5
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.
Soil Compatibility in Claiborne County
How your county's soil matches Kai Lan's growing requirements.
Soil pH
Your soil pH (5.3–6.5) is more acidic than Kai Lan prefers (6.0–7.5). Add garden lime to raise pH.
Soil Texture
The clay loam soil in Claiborne County is excellent for Kai Lan — good drainage, moisture retention, and nutrient holding capacity.
Drainage
Drainage is adequate for Kai Lan.
Organic Matter
Organic matter is moderate (2.5%). Annual compost additions will help Kai Lan.
How to Plant Kai Lan
Fall planting: Sow 10 weeks before your first frost date for a fall harvest.
Succession Planting Kai Lan
Sow every 5.1 weeks. Last sowing by Sep 14 to harvest before frost.
For a dedicated fall crop, sow by Sep 04.
Plant Water Budget
Monthly Watering Guide for Kai Lan
Kai Lan needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Kai Lan Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 4.2" | 0" | ❄️ Dormant |
| Feb | — | 4.2" | 0" | ❄️ Dormant |
| Mar | 4.3" | 5.2" | 0" | ✅ Rainfall sufficient |
| Apr | 4.3" | 4.7" | 0" | ✅ Rainfall sufficient |
| May | 4.3" | 4.7" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 5.4" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 6" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 5.6" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 4.6" | 0" | ✅ Rainfall sufficient |
| Oct | 4.3" | 3.2" | 1.1" | 💧 Light watering |
| Nov | 4.3" | 3.8" | 0.5" | 💧 Light watering |
| Dec | — | 4.3" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Claiborne County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Kai Lan 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.
Kai Lan Planting Timeline — Claiborne County, MS
Kai Lan Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 5 | Feb 5 – Feb 19 |
| Transplant Outdoors | March 12 | Mar 12 – Mar 26 |
| Direct Sow | February 26 | Feb 26 – Mar 19 |
| Harvest | April 30 | Apr 30 – May 28 |
| Fall Sowing | September 4 | Sep 4 – Sep 18 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | — |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
1"/week · Natural rainfall sufficient
📅 Days to Maturity
45–60 days
🧪 Soil pH
Needs 6–7.5 · Your soil: too_acidic
🗺️ USDA Zone
Zone 8b
📆 Growing Season
246 days in Claiborne County
Growing Tips for Kai Lan in Claiborne County
Direct sow Kai Lan outdoors after March 12 in Claiborne County when soil has warmed and frost danger has passed.
With Claiborne County's clay soil (27% clay), work in 3-4 inches of compost before planting Kai Lan. Avoid tilling when soil is wet to prevent compaction.
With summer highs reaching 97°F in Claiborne County, provide afternoon shade for Kai Lan and water deeply in the morning.
Your generous 246.0-day season in Claiborne County allows multiple plantings of Kai Lan. Sow every 22.0 days for continuous harvest.
Common pests for Kai Lan 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 flower buds first appear but before they open. Cut stems at the base to encourage side shoots. Prefers cool weather.
Companion Planting
Good Companions
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Check more plant combinations with our Companion Planting Checker →
Kai Lan in Other Locations
Frequently Asked Questions
When should I plant Kai Lan in Claiborne County, MS?
Claiborne County is in Zone 8b with an average last frost of March 12. Plan your Kai Lan planting based on this frost date — see the calendar above for exact timing.
What planting zone is Claiborne County, MS?
Claiborne County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 12 and first fall frost is November 13.
Your Claiborne County Garden Planner — Free
A 24-page printable planner built for Claiborne County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.