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When to Plant Tatsoi in Livingston Parish, LA

Livingston Parish, Louisiana Zone 9a May

Your May planting checklist for Livingston Parish, Louisiana

May is a pivotal month for Livingston Parish, Louisiana gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost March 5
Avg. first frost November 30
Soil temp (4") 72°F
Watering Low
Pest pressure High
Daylight 13.5 hrs
  1. Collect tatsoi at their peak

    Don't tug. Use scissors or pruners for clean cuts — torn stems invite disease.

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Tatsoi is a compact Asian green forming beautiful rosettes of dark, spoon-shaped leaves with a mild mustard flavor. It is extremely cold-hardy and versatile.

Livingston Parish, Louisiana is in USDA Zone 9a. The average last spring frost is March 5 and the first fall frost is November 30, giving you a growing season of approximately 270 days.

At an elevation of 360 feet, Livingston Parish receives approximately 48.5 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96°F, so Tatsoi may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Tatsoi will need more frequent watering and organic matter to retain nutrients.

Livingston Parish, LA (Zone 9a) Year-round
270 days
Last Spring Frost March 5
270 growing days
First Fall Frost November 30

Livingston Parish Soil Profile

Soil Type

Sandy Loam

Soil pH

4.9-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (208 days to spare)
Start indoors: Jan 18 Transplant: Feb 15 🍅 Harvest: Mar 22 – Apr 26
Recommended (50%) ✓ Fits season (200 days to spare)
Start indoors: Feb 5 Transplant: Mar 5 🍅 Harvest: Apr 9 – May 14
Safe Start (90%) ✓ Fits season (194 days to spare)
Start indoors: Feb 26 Transplant: Mar 26 🍅 Harvest: Apr 30 – Jun 4

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 Livingston Parish

How your county's soil matches Tatsoi's growing requirements.

Soil pH

Your soil pH (4.9–6.2) is more acidic than Tatsoi prefers (6.0–7.5). Add garden lime to raise pH.

Soil Texture

Sandy soil in Livingston Parish warms quickly in spring but drains fast. Tatsoi will need more frequent watering and regular compost additions to retain nutrients.

Organic Matter

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

How to Plant Tatsoi

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 Tatsoi

9
successive plantings in your 270-day season

Sow every 4 weeks. Last sowing by Oct 11 to harvest before frost.

For a dedicated fall crop, sow by Oct 05.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 590 gal / 100 sq ft

Monthly Watering Guide for Tatsoi

Tatsoi needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Tatsoi Needs Rainfall You Supplement Action
Jan 4.1" 0" ❄️ Dormant
Feb 4" 0" ❄️ Dormant
Mar 4.3" 4.2" 0.1" 💧 Light watering
Apr 4.3" 3.5" 0.8" 💧 Light watering
May 4.3" 4" 0.3" 💧 Light watering
Jun 4.3" 4.1" 0.2" 💧 Light watering
Jul 4.3" 5.5" 0" ✅ Rainfall sufficient
Aug 4.3" 4.8" 0" ✅ Rainfall sufficient
Sep 4.3" 3.5" 0.8" 💧 Light watering
Oct 4.3" 3" 1.3" 💧 Light watering
Nov 4.3" 3.6" 0.7" 💧 Light watering
Dec 4.2" 0" ❄️ Dormant

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

Tatsoi 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.

Tatsoi needs ~935 GDD — county provides 5,940 GDD Excellent fit

Tatsoi Planting Timeline — Livingston Parish, LA

Tatsoi Planting Calendar

Activity When Date Range
Start Indoors February 5 Feb 5 – Feb 19
Transplant Outdoors March 5 Mar 5 – Mar 19
Direct Sow February 12 Feb 12 – Mar 5
Harvest April 9 Apr 9 – May 14
Fall Sowing October 5 Oct 5 – Oct 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 Harvest
May Harvest
June
July
August
September
October Fall Sowing
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

35–50 days

🧪 Soil pH

Needs 6–7.5 · Your soil: too_acidic

🗺️ USDA Zone

Zone 9a

📆 Growing Season

270 days in Livingston Parish

Growing Tips for Tatsoi in Livingston Parish

Direct sow Tatsoi outdoors after March 05 in Livingston Parish when soil has warmed and frost danger has passed.

Sandy soil in Livingston Parish dries quickly — mulch Tatsoi 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 Livingston Parish, provide afternoon shade for Tatsoi and water deeply in the morning.

Your generous 270.0-day season in Livingston Parish allows multiple plantings of Tatsoi. Sow every 17.0 days for continuous harvest.

Common pests for Tatsoi 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. Tatsoi tolerates frost down to 15F. Harvest outer leaves or cut whole rosettes. Excellent in salads, stir-fries, or lightly wilted.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Tatsoi in Livingston Parish, LA?

Livingston Parish is in Zone 9a with an average last frost of March 5. Plan your Tatsoi planting based on this frost date — see the calendar above for exact timing.

What planting zone is Livingston Parish, LA?

Livingston Parish, Louisiana is in USDA Hardiness Zone 9a. The average last spring frost is March 5 and first fall frost is November 30.

🌱

Your Livingston Parish Garden Planner — Free

A 24-page printable planner built for Livingston 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 Livingston 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.