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When to Plant Chicory in Starr County, TX

Chicory is a hardy perennial grown for its bitter leaves and roots. The roots can be roasted as a coffee substitute, and the leaves add complexity to salads.

Starr County, Texas is in USDA Zone 9b. The average last spring frost is February 3 and the first fall frost is December 16, giving you a growing season of approximately 316 days.

At an elevation of 2,451 feet, Starr County receives approximately 55.4 inches of rainfall annually with predominantly loam soil. Summer highs average 98ยฐF, so Chicory may need afternoon shade and extra watering during peak heat. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Chicory root diseases.

Starr County, TX (Zone 9b) Year-round
316 days
Last Spring Frost February 3
316 growing days
First Fall Frost December 16

Starr County Soil Profile

Soil Type

Loam

Soil pH

6.8-7.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (221 days to spare)
Start indoors: Dec 21 Transplant: Jan 18 🍅 Harvest: Mar 22 – May 3
Recommended (50%) ✓ Fits season (211 days to spare)
Start indoors: Jan 6 Transplant: Feb 3 🍅 Harvest: Apr 7 – May 19
Safe Start (90%) ✓ Fits season (192 days to spare)
Start indoors: Feb 3 Transplant: Mar 3 🍅 Harvest: May 5 – Jun 16

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 Starr County

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

Soil pH

Your soil pH (6.8โ€“7.5) is more alkaline than Chicory prefers (5.5โ€“7.0). Add sulfur or peat moss to lower pH.

Soil Texture

The loam soil in Starr County is excellent for Chicory โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.1%). Annual compost additions will help Chicory.

How to Plant Chicory

1"
Planting Depth
15"
Between Plants
24"
Between Rows

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

Succession Planting Chicory

6
successive plantings in your 316-day season

Sow every 6.9 weeks. Last sowing by Sep 22 to harvest before frost.

For a dedicated fall crop, sow by Oct 21.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.7″/week
You supply
0.3″/week
Watering frequency 1-2 times/week
Season total 901 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Monthly Watering Guide for Chicory

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

Month Chicory Needs Rainfall You Supplement Action
Jan โ€” 1.6" 0" โ„๏ธ Dormant
Feb 4.3" 1.9" 2.4" ๐Ÿšฟ Regular watering
Mar 4.3" 3.4" 0.9" ๐Ÿ’ง Light watering
Apr 4.3" 6.6" 0" โœ… Rainfall sufficient
May 4.3" 8.8" 0" โœ… Rainfall sufficient
Jun 4.3" 7.6" 0" โœ… Rainfall sufficient
Jul 4.3" 7" 0" โœ… Rainfall sufficient
Aug 4.3" 6.4" 0" โœ… Rainfall sufficient
Sep 4.3" 4.9" 0" โœ… Rainfall sufficient
Oct 4.3" 4" 0.3" ๐Ÿ’ง Light watering
Nov 4.3" 1.6" 2.7" ๐Ÿšฟ Regular watering
Dec 4.3" 1.6" 2.7" ๐Ÿšฟ Regular watering

Water needs are for active growing months only (Febโ€“Dec in Starr County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Chicory 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" โ€” every day above 50ยฐF 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.

Chicory needs ~1,704 GDD — county provides 7,449 GDD Excellent fit

Chicory Planting Timeline โ€” Starr County, TX

Chicory Planting Calendar

Activity When Date Range
Start Indoors January 6 Jan 6 โ€“ Jan 20
Transplant Outdoors February 3 Feb 3 โ€“ Feb 17
Direct Sow January 13 Jan 13 โ€“ Feb 3
Harvest April 7 Apr 7 โ€“ May 19
Fall Sowing October 21 Oct 21 โ€“ Nov 4

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

1"/week ยท 1-2 times/week

๐Ÿ“… Days to Maturity

60โ€“85 days

๐Ÿงช Soil pH

Needs 5.5โ€“7 ยท Your soil: too_alkaline

๐Ÿ—บ๏ธ USDA Zone

Zone 9b

๐Ÿ“† Growing Season

316 days in Starr County

Growing Tips for Chicory in Starr County

Direct sow Chicory outdoors after February 03 in Starr County when soil has warmed and frost danger has passed.

With summer highs reaching 98ยฐF in Starr County, provide afternoon shade for Chicory and water deeply in the morning.

Common pests for Chicory in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

Sow seeds directly in spring. Thin plants to 8-12 inches apart. For forcing, dig roots in fall and replant in a dark, cool area to produce blanched chicons.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Chicory in Starr County, TX?

Starr County is in Zone 9b with an average last frost of February 3. Plan your Chicory planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Starr County, TX?

Starr County, Texas is in USDA Hardiness Zone 9b. The average last spring frost is February 3 and first fall frost is December 16.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Starr County gardeners in Zone 9b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

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