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When to Plant Fennel in Hockley County, TX

Florence fennel is grown for its swollen bulb-like stem base, which has a mild anise flavor. It is crisp raw in salads and sweet when roasted or braised.

Hockley County, Texas is in USDA Zone 7a. The average last spring frost is April 6 and the first fall frost is November 2, giving you a growing season of approximately 210 days.

At an elevation of 2,026 feet, Hockley County receives approximately 52.3 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 97ยฐF, so Fennel may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Fennel will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Fennel root diseases.

Hockley County, TX (Zone 7a) Long season
210 days
Last Spring Frost April 6
210 growing days
First Fall Frost November 2

Hockley County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.8-8.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (91 days to spare)
Start indoors: Feb 7 Transplant: Apr 11 🍅 Harvest: Jun 13 – Jul 25
Recommended (50%) ✓ Fits season (91 days to spare)
Start indoors: Feb 16 Transplant: Apr 20 🍅 Harvest: Jun 22 – Aug 3
Safe Start (90%) ✓ Fits season (93 days to spare)
Start indoors: Mar 3 Transplant: May 5 🍅 Harvest: Jul 7 – Aug 18

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 Hockley County

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

Soil pH

Your soil pH (7.8โ€“8.1) is more alkaline than Fennel prefers (5.5โ€“7.0). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Hockley County warms quickly in spring but drains fast. Fennel will need more frequent watering and regular compost additions to retain nutrients.

Organic Matter

Organic matter is low (1.1%). Add 2-3 inches of compost before planting Fennel.

How to Plant Fennel

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

Succession Planting Fennel

4
successive plantings in your 210-day season

Sow every 6.9 weeks. Last sowing by Aug 04 to harvest before frost.

Plant Water Budget

Plant needs
0.6″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Fennel

Fennel needs approximately 0.6 inches of water per week (2.6" per month). Here's how your county's rainfall compares month by month.

Month Fennel Needs Rainfall You Supplement Action
Jan โ€” 4.1" 0" โ„๏ธ Dormant
Feb โ€” 3.4" 0" โ„๏ธ Dormant
Mar โ€” 2.9" 0" โ„๏ธ Dormant
Apr 2.6" 2" 0.6" ๐Ÿ’ง Light watering
May 2.6" 1.2" 1.4" ๐Ÿšฟ Regular watering
Jun 2.6" 1.6" 1" ๐Ÿ’ง Light watering
Jul 2.6" 9" 0" โœ… Rainfall sufficient
Aug 2.6" 9.8" 0" โœ… Rainfall sufficient
Sep 2.6" 7.8" 0" โœ… Rainfall sufficient
Oct 2.6" 4.6" 0" โœ… Rainfall sufficient
Nov 2.6" 2.7" 0" โœ… Rainfall sufficient
Dec โ€” 3.4" 0" โ„๏ธ Dormant

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

Fennel 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.

Fennel needs ~1,706 GDD — county provides 4,777 GDD Excellent fit

Fennel Planting Timeline โ€” Hockley County, TX

Fennel Planting Calendar

Activity When Date Range
Start Indoors February 16 Feb 16 โ€“ Mar 2
Transplant Outdoors April 20 Apr 20 โ€“ May 4
Direct Sow April 13 Apr 13 โ€“ May 4
Harvest June 22 Jun 22 โ€“ Aug 3

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

0.6"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

60โ€“90 days

๐Ÿงช Soil pH

Needs 5.5โ€“7 ยท Your soil: too_alkaline

๐Ÿ—บ๏ธ USDA Zone

Zone 7a

๐Ÿ“† Growing Season

210 days in Hockley County

Growing Tips for Fennel in Hockley County

Direct sow Fennel outdoors after April 06 in Hockley County when soil has warmed and frost danger has passed.

Sandy soil in Hockley County dries quickly โ€” mulch Fennel with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

With summer highs reaching 97ยฐF in Hockley County, provide afternoon shade for Fennel and water deeply in the morning.

Common pests for Fennel in this region include carrot rust fly and parsleyworm. Use row covers early in the season and inspect plants weekly.

General growing tips

Direct sow in late summer for fall harvest to reduce bolting. Hill soil around bulbs as they enlarge. Harvest when bulbs are tennis-ball sized before they elongate.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Peppers
  • Beans

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Fennel in Hockley County, TX?

Hockley County is in Zone 7a with an average last frost of April 6. Plan your Fennel planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Hockley County, TX?

Hockley County, Texas is in USDA Hardiness Zone 7a. The average last spring frost is April 6 and first fall frost is November 2.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Hockley County gardeners in Zone 7a 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 Hockley County, TX. Local conditions may vary. Last updated: April 2026.