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When to Plant Garlic Chives in Dawson County, TX

Dawson County, Texas Zone 8a May

May to-do list for Dawson County, Texas

May rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Dawson County, Texas.

Avg. last frost April 1
Avg. first frost November 10
Soil temp (4") 55°F
Watering Critical
Pest pressure Moderate
Daylight 13.7 hrs
Get ahead of June
  • 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.

Dawson County, Texas is in USDA Zone 8a. The average last spring frost is April 1 and the first fall frost is November 10, giving you a growing season of approximately 223 days.

At an elevation of 4,748 feet, Dawson County receives approximately 46.1 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 102°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.

Dawson County, TX (Zone 8a) Long season
223 days
Last Spring Frost April 1
223 growing days
First Fall Frost November 10

Dawson County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.8-8.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (83 days to spare)
Transplant: Mar 31 🍅 Harvest: Jun 2 – Aug 11
Recommended (50%) ✓ Fits season (83 days to spare)
Transplant: Apr 8 🍅 Harvest: Jun 10 – Aug 19
Safe Start (90%) ✓ Fits season (77 days to spare)
Transplant: Apr 26 🍅 Harvest: Jun 28 – Sep 6

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 Dawson County

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

Soil pH

Your soil pH (7.8–8.4) is more alkaline than Garlic Chives prefers (6.0–7.5). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Dawson 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 (1.0%). 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 223-day season

Sow every 6.9 weeks. Last sowing by Aug 12 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 8/10 — 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 3.7" 0" ❄️ Dormant
Feb 2.7" 0" ❄️ Dormant
Mar 2.6" 0" ❄️ Dormant
Apr 2.2" 1.6" 0.6" 💧 Light watering
May 2.2" 1" 1.2" 🚿 Regular watering
Jun 2.2" 1.9" 0.3" 💧 Light watering
Jul 2.2" 7.4" 0" ✅ Rainfall sufficient
Aug 2.2" 9.2" 0" ✅ Rainfall sufficient
Sep 2.2" 5.9" 0" ✅ Rainfall sufficient
Oct 2.2" 4.2" 0" ✅ Rainfall sufficient
Nov 2.2" 2.8" 0" ✅ Rainfall sufficient
Dec 3" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Nov in Dawson 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 ~1,988 GDD — county provides 5,909 GDD Excellent fit

Garlic Chives Planting Timeline — Dawson County, TX

Garlic Chives Planting Calendar

Activity When Date Range
Transplant Outdoors April 8 Apr 8 – Apr 22
Harvest June 10 Jun 10 – Aug 19

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Transplant Outdoors
May
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

223 days in Dawson County

Growing Tips for Garlic Chives in Dawson County

Direct sow Garlic Chives outdoors after April 01 in Dawson County when soil has warmed and frost danger has passed.

Sandy soil in Dawson 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 102°F in Dawson 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 Dawson County, TX?

Dawson County is in Zone 8a with an average last frost of April 1. Plan your Garlic Chives planting based on this frost date — see the calendar above for exact timing.

What planting zone is Dawson County, TX?

Dawson County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is April 1 and first fall frost is November 10.

🌱

Your Dawson County Garden Planner — Free

A 24-page printable planner built for Dawson 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 Dawson 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.