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When to Plant Kai Lan in Erath County, TX

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.

Erath County, Texas is in USDA Zone 7b. The average last spring frost is March 25 and the first fall frost is November 11, giving you a growing season of approximately 231 days.

At an elevation of 1,968 feet, Erath County receives approximately 55.9 inches of rainfall annually with predominantly clay soil. Summer highs average 92Β°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.

Erath County, TX (Zone 7b) Long season
231 days
Last Spring Frost March 25
231 growing days
First Fall Frost November 11

Erath County Soil Profile

Soil Type

Clay

Soil pH

7.3-7.7

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 β€” 1.6" 0" ❄️ Dormant
Feb β€” 2.1" 0" ❄️ Dormant
Mar 4.3" 3.2" 1.1" πŸ’§ Light watering
Apr 4.3" 5.8" 0" βœ… Rainfall sufficient
May 4.3" 7.2" 0" βœ… Rainfall sufficient
Jun 4.3" 8.1" 0" βœ… Rainfall sufficient
Jul 4.3" 8.1" 0" βœ… Rainfall sufficient
Aug 4.3" 6.7" 0" βœ… Rainfall sufficient
Sep 4.3" 5.9" 0" βœ… Rainfall sufficient
Oct 4.3" 4" 0.3" πŸ’§ Light watering
Nov 4.3" 2" 2.3" 🚿 Regular watering
Dec β€” 1.4" 0" ❄️ Dormant

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

Kai Lan Planting Timeline β€” Erath County, TX

Kai Lan Planting Calendar

Activity When Date Range
Start Indoors February 18 Feb 18 – Mar 4
Transplant Outdoors March 25 Mar 25 – Apr 8
Direct Sow March 11 Mar 11 – Apr 1
Harvest May 13 May 13 – Jun 10
Fall Sowing September 2 Sep 2 – Sep 16

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

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

45–60 days

πŸ§ͺ Soil pH

Needs 6–7.5 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

231 days in Erath County

Growing Tips for Erath 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 Erath County, TX?

Erath County is in Zone 7b with an average last frost of March 25. Plan your Kai Lan planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Erath County, TX?

Erath County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 25 and first fall frost is November 11.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Erath County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

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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 Erath County, TX. Local conditions may vary. Last updated: April 2026.