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When to plant Kai Lan in Monroe County, AL

For Kai Lan in Monroe County, the safe spring window opens around February 28 and closes around March 21. Last expected frost is March 14, first fall frost November 14, giving a 245-day growing season. A second sowing from September 5 to September 19 extends the harvest into fall.

When to Plant Kai Lan in Monroe County, AL

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.

Monroe County, Alabama is in USDA Zone 8b. The average last spring frost is March 14 and the first fall frost is November 14, giving you a growing season of approximately 245 days.

At an elevation of 177 feet, Monroe County receives approximately 51.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 96°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.

Monroe County, AL (Zone 8b) Long season
245 days
Last Spring Frost March 14
245 growing days
First Fall Frost November 14

Monroe County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.3

Drainage

Well Drained

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 4.7" 0" ❄️ Dormant
Feb 3.6" 0" ❄️ Dormant
Mar 4.3" 5.1" 0" ✅ Rainfall sufficient
Apr 4.3" 4.3" 0" ✅ Rainfall sufficient
May 4.3" 3.7" 0.6" 💧 Light watering
Jun 4.3" 4" 0.3" 💧 Light watering
Jul 4.3" 4.7" 0" ✅ Rainfall sufficient
Aug 4.3" 5.3" 0" ✅ Rainfall sufficient
Sep 4.3" 4.3" 0" ✅ Rainfall sufficient
Oct 4.3" 3.3" 1" 💧 Light watering
Nov 4.3" 4" 0.3" 💧 Light watering
Dec 4.7" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Monroe County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Kai Lan Planting Timeline — Monroe County, AL

Kai Lan Planting Calendar

Activity When Date Range
Start Indoors February 7 Feb 7 – Feb 21
Transplant Outdoors March 14 Mar 14 – Mar 28
Direct Sow February 28 Feb 28 – Mar 21
Harvest May 2 May 2 – May 30
Fall Sowing September 5 Sep 5 – Sep 19

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors Direct Sow
March Transplant Outdoors Direct Sow
April
May Harvest
June
July
August
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 8b

📆 Growing Season

245 days in Monroe County

Growing Tips for Monroe 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

  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Kai Lan in Monroe County, AL?

Monroe County is in Zone 8b with an average last frost of March 14. Plan your Kai Lan planting based on this frost date — see the calendar above for exact timing.

What planting zone is Monroe County, AL?

Monroe County, Alabama is in USDA Hardiness Zone 8b. The average last spring frost is March 14 and first fall frost is November 14.

When should I plant Kai Lan in Monroe County, AL?

In Monroe County, AL, plant Kai Lan after the last frost (around March 14) and before the first frost (around November 14). Best results when soil holds above 50°F.

What growing zone is Monroe County, AL for Kai Lan?

Monroe County sits in USDA Zone 8b. Kai Lan grows reliably in zones 2a through 11b, so it's a good fit here.

Can Kai Lan grow in Monroe County's climate?

Yes — Kai Lan grows well in Monroe County's temperate climate. Monroe County averages a 245-day frost-free season, with last frost around March 14 and first frost around November 14.

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Your Monroe County Garden Planner — Free

A 22-page printable planner built for Monroe 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.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Monroe County, AL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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