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When to Plant Kai Lan in East Feliciana Parish, LA

East Feliciana Parish, Louisiana Zone 9a May

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Avg. last frost February 17
Avg. first frost December 2
Soil temp (4") 71°F
Watering Low
Pest pressure High
Daylight 13.6 hrs
  1. Basket week: kai lan

    Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.

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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.

East Feliciana Parish, Louisiana is in USDA Zone 9a. The average last spring frost is February 17 and the first fall frost is December 2, giving you a growing season of approximately 288 days.

At an elevation of 75 feet, East Feliciana Parish receives approximately 55.6 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96°F, so Kai Lan may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Kai Lan will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Kai Lan root diseases.

East Feliciana Parish, LA (Zone 9a) Year-round
288 days
Last Spring Frost February 17
288 growing days
First Fall Frost December 2
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East Feliciana Parish Soil Profile

Soil Type

Sandy Loam

Soil pH

4.9-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (207 days to spare)
Start indoors: Jan 14 Transplant: Feb 11 🍅 Harvest: Apr 1 – Apr 29
Recommended (50%) ✓ Fits season (211 days to spare)
Start indoors: Jan 20 Transplant: Feb 17 🍅 Harvest: Apr 7 – May 5
Safe Start (90%) ✓ Fits season (207 days to spare)
Start indoors: Feb 11 Transplant: Mar 11 🍅 Harvest: Apr 29 – May 27

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 East Feliciana Parish

How your county's soil matches Kai Lan's growing requirements.

Soil pH

Your soil pH (4.9–6.4) is more acidic than Kai Lan prefers (6.0–7.5). Add garden lime to raise pH.

Soil Texture

Sandy soil in East Feliciana Parish warms quickly in spring but drains fast. Kai Lan will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Kai Lan.

Organic Matter

Organic matter is low (1.8%). Add 2-3 inches of compost before planting Kai Lan.

How to Plant Kai Lan

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

Fall planting: Sow 8 weeks before your first frost date for a fall harvest.

Succession Planting Kai Lan

7
successive plantings in your 288-day season

Sow every 5.1 weeks. Last sowing by Oct 03 to harvest before frost.

For a dedicated fall crop, sow by Oct 07.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

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 4.5" 0" ❄️ Dormant
Feb 4.3" 4.6" 0" ✅ Rainfall sufficient
Mar 4.3" 4.9" 0" ✅ Rainfall sufficient
Apr 4.3" 4.1" 0.2" 💧 Light watering
May 4.3" 3.9" 0.4" 💧 Light watering
Jun 4.3" 5.8" 0" ✅ Rainfall sufficient
Jul 4.3" 6.5" 0" ✅ Rainfall sufficient
Aug 4.3" 5.1" 0" ✅ Rainfall sufficient
Sep 4.3" 4.3" 0" ✅ Rainfall sufficient
Oct 4.3" 3.7" 0.6" 💧 Light watering
Nov 4.3" 4" 0.3" 💧 Light watering
Dec 4.3" 4.2" 0.1" 💧 Light watering

Water needs are for active growing months only (Feb–Dec in East Feliciana Parish). 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 needs ~1,155 GDD — county provides 6,358 GDD Excellent fit

Kai Lan Planting Timeline — East Feliciana Parish, LA

Kai Lan Planting Calendar

Activity When Date Range
Start Indoors January 20 Jan 20 – Feb 3
Transplant Outdoors February 17 Feb 17 – Mar 3
Direct Sow January 27 Jan 27 – Feb 17
Harvest April 7 Apr 7 – May 5
Fall Sowing October 7 Oct 7 – Oct 21

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

Month-by-Month Timeline

MonthActivities
January Start Indoors Direct Sow
February Start Indoors Transplant Outdoors Direct Sow
March Transplant Outdoors
April Harvest
May Harvest
June
July
August
September
October Fall Sowing
November
December
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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 9a

📆 Growing Season

288 days in East Feliciana Parish

Growing Tips for Kai Lan in East Feliciana Parish

Direct sow Kai Lan outdoors after February 17 in East Feliciana Parish when soil has warmed and frost danger has passed.

Sandy soil in East Feliciana Parish dries quickly — mulch Kai Lan with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

With summer highs reaching 96°F in East Feliciana Parish, provide afternoon shade for Kai Lan and water deeply in the morning.

Your generous 289.0-day season in East Feliciana Parish 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

Avoid Planting Near

  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Kai Lan in East Feliciana Parish, LA?

East Feliciana Parish is in Zone 9a with an average last frost of February 17. Plan your Kai Lan planting based on this frost date — see the calendar above for exact timing.

What planting zone is East Feliciana Parish, LA?

East Feliciana Parish, Louisiana is in USDA Hardiness Zone 9a. The average last spring frost is February 17 and first fall frost is December 2.

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Your East Feliciana Parish Garden Planner — Free

A 24-page printable planner built for East Feliciana Parish (Zone 9a). 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 East Feliciana Parish, LA. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.