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When to Plant Thyme in Yadkin County, NC

Thyme is a low-growing perennial herb with tiny, aromatic leaves and a warm, earthy flavor. It is one of the most versatile culinary and medicinal herbs.

Yadkin County, North Carolina is in USDA Zone 7a. The average last spring frost is April 11 and the first fall frost is October 22, giving you a growing season of approximately 194 days.

At an elevation of 638 feet, Yadkin County receives approximately 53.2 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92ยฐF, providing good warmth for Thyme during the growing season. Clay soil retains moisture well for Thyme, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Thyme root diseases.

Yadkin County, NC (Zone 7a) Moderate season
194 days
Last Spring Frost April 11
194 growing days
First Fall Frost October 22

Yadkin County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (54 days to spare)
Transplant: Apr 14 🍅 Harvest: Jun 23 – Aug 25
Recommended (50%) ✓ Fits season (54 days to spare)
Transplant: Apr 18 🍅 Harvest: Jun 27 – Aug 29
Safe Start (90%) ✓ Fits season (49 days to spare)
Transplant: May 8 🍅 Harvest: Jul 17 – Sep 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 Yadkin County

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

Soil pH

Your soil pH (5.7โ€“6.4) overlaps with Thyme's range (6.0โ€“8.0), though not a perfect match.

Soil Texture

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

Organic Matter

Organic matter is moderate (2.4%). Annual compost additions will help Thyme.

How to Plant Thyme

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

Succession Planting Thyme

3
successive plantings in your 194-day season

Sow every 8 weeks. Last sowing by Jul 24 to harvest before frost.

Plant Water Budget

Plant needs
0.3″/week
Rainfall provides
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Thyme

Thyme needs approximately 0.3 inches of water per week (1.3" per month). Here's how your county's rainfall compares month by month.

Month Thyme Needs Rainfall You Supplement Action
Jan โ€” 5.1" 0" โ„๏ธ Dormant
Feb โ€” 4.2" 0" โ„๏ธ Dormant
Mar โ€” 4.6" 0" โ„๏ธ Dormant
Apr 1.3" 3.9" 0" โœ… Rainfall sufficient
May 1.3" 3.9" 0" โœ… Rainfall sufficient
Jun 1.3" 4.3" 0" โœ… Rainfall sufficient
Jul 1.3" 6.1" 0" โœ… Rainfall sufficient
Aug 1.3" 5.3" 0" โœ… Rainfall sufficient
Sep 1.3" 3.8" 0" โœ… Rainfall sufficient
Oct 1.3" 3.4" 0" โœ… Rainfall sufficient
Nov โ€” 4.6" 0" โ„๏ธ Dormant
Dec โ€” 4" 0" โ„๏ธ Dormant

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

Thyme 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.

Thyme needs ~1,520 GDD — county provides 3,686 GDD Excellent fit

Thyme Planting Timeline โ€” Yadkin County, NC

Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors April 18 Apr 18 โ€“ May 2
Harvest June 27 Jun 27 โ€“ Aug 29

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Transplant Outdoors
May Transplant Outdoors
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

0.3"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

70โ€“90 days

๐Ÿงช Soil pH

Needs 6โ€“8 ยท Your soil: acceptable

๐Ÿ—บ๏ธ USDA Zone

Zone 7a

๐Ÿ“† Growing Season

194 days in Yadkin County

Growing Tips for Thyme in Yadkin County

Direct sow Thyme outdoors after April 11 in Yadkin County when soil has warmed and frost danger has passed.

With Yadkin County's clay soil (29% clay), work in 3-4 inches of compost before planting Thyme. Avoid tilling when soil is wet to prevent compaction.

General growing tips

Start from seed, cuttings, or divisions. Plant in well-drained, lean soil. Prune lightly after flowering. Replace plants every 3-4 years when they become woody.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Thyme in Yadkin County, NC?

Yadkin County is in Zone 7a with an average last frost of April 11. Plan your Thyme planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Yadkin County, NC?

Yadkin County, North Carolina is in USDA Hardiness Zone 7a. The average last spring frost is April 11 and first fall frost is October 22.

๐ŸŒฑ

Plan Your Garden with Confidence

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

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Yadkin County, NC. Local conditions may vary. Last updated: April 2026.