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When to Plant Garlic Chives in Glasscock County, TX

Glasscock County, Texas Zone 8a May

Top priorities for Glasscock County, Texas gardeners in May

Each item below is timed to Glasscock County, Texas's frost dates and soil temperatures. Skip nothing, stress about nothing.

Avg. last frost March 20
Avg. first frost November 14
Soil temp (4") 54°F
Watering Critical
Pest pressure Moderate
Daylight 13.6 hrs
  1. It's harvest week for garlic chives

    If you can't use it all right away, check the food-preservation section of your planner.

June will be here before you know it — start on
  • First harvests: garlic chives

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Garlic chives are a perennial herb with flat leaves that have a mild garlic flavor. They produce attractive white flower clusters and are used in Asian cooking.

Glasscock County, Texas is in USDA Zone 8a. The average last spring frost is March 20 and the first fall frost is November 14, giving you a growing season of approximately 239 days.

At an elevation of 4,774 feet, Glasscock County receives approximately 49.5 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 100°F, so Garlic Chives may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Garlic Chives will need more frequent watering and organic matter to retain nutrients.

Glasscock County, TX (Zone 8a) Long season
239 days
Last Spring Frost March 20
239 growing days
First Fall Frost November 14

Glasscock County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.2-8.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (101 days to spare)
Transplant: Mar 18 🍅 Harvest: May 20 – Jul 29
Recommended (50%) ✓ Fits season (99 days to spare)
Transplant: Mar 27 🍅 Harvest: May 29 – Aug 7
Safe Start (90%) ✓ Fits season (93 days to spare)
Transplant: Apr 17 🍅 Harvest: Jun 19 – Aug 28

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 Glasscock County

How your county's soil matches Garlic Chives's growing requirements.

Soil pH

Your soil pH (7.2–8.9) is more alkaline than Garlic Chives prefers (6.0–7.5). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Glasscock County warms quickly in spring but drains fast. Garlic Chives 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 Garlic Chives.

How to Plant Garlic Chives

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Succession Planting Garlic Chives

4
successive plantings in your 239-day season

Sow every 6.9 weeks. Last sowing by Aug 16 to harvest before frost.

Plant Water Budget

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

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Garlic Chives

Garlic Chives needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Garlic Chives Needs Rainfall You Supplement Action
Jan 3" 0" ❄️ Dormant
Feb 2.5" 0" ❄️ Dormant
Mar 2.2" 3.1" 0" ✅ Rainfall sufficient
Apr 2.2" 1.6" 0.6" 💧 Light watering
May 2.2" 1" 1.2" 🚿 Regular watering
Jun 2.2" 1.5" 0.7" 💧 Light watering
Jul 2.2" 8.6" 0" ✅ Rainfall sufficient
Aug 2.2" 10.3" 0" ✅ Rainfall sufficient
Sep 2.2" 7.1" 0" ✅ Rainfall sufficient
Oct 2.2" 4.8" 0" ✅ Rainfall sufficient
Nov 2.2" 2.8" 0" ✅ Rainfall sufficient
Dec 3.2" 0" ❄️ Dormant

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

Garlic Chives 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.

Garlic Chives needs ~1,875 GDD — county provides 5,975 GDD Excellent fit

Garlic Chives Planting Timeline — Glasscock County, TX

Garlic Chives Planting Calendar

Activity When Date Range
Transplant Outdoors March 27 Mar 27 – Apr 10
Harvest May 29 May 29 – Aug 7

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
April Transplant Outdoors
May Harvest
June Harvest
July Harvest
August Harvest
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7.5 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 8a

📆 Growing Season

239 days in Glasscock County

Growing Tips for Garlic Chives in Glasscock County

Direct sow Garlic Chives outdoors after March 20 in Glasscock County when soil has warmed and frost danger has passed.

Sandy soil in Glasscock County dries quickly — mulch Garlic Chives with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

With summer highs reaching 100°F in Glasscock County, provide afternoon shade for Garlic Chives and water deeply in the morning.

Common pests for Garlic Chives in this region include onion maggots and thrips. Use row covers early in the season and inspect plants weekly.

General growing tips

Start from seed or divisions. Cut flower stalks before seeds set to prevent aggressive self-seeding. Both leaves and flower buds are edible and flavorful.

Companion Planting

Good Companions

Avoid Planting Near

  • Peas
  • Green Beans

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Garlic Chives in Glasscock County, TX?

Glasscock County is in Zone 8a with an average last frost of March 20. Plan your Garlic Chives planting based on this frost date — see the calendar above for exact timing.

What planting zone is Glasscock County, TX?

Glasscock County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 20 and first fall frost is November 14.

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Your Glasscock County Garden Planner — Free

A 24-page printable planner built for Glasscock County (Zone 8a). 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 Glasscock County, TX. 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.