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Common Thyme

Thymus vulgaris

Common Thyme is a compact, woody perennial herb with tiny, narrow green leaves and delicate pink or purple flowers. Reaching maturity in 90-95 days, it becomes a robust ground cover perfect for edging and containers. This Mediterranean native thrives in poor, well-drained soil and is remarkably cold-hardy. Its earthy, minty flavor with warm, pungent undertones makes it essential for cooking—particularly valued in French cuisine and Mediterranean dishes. More cold-tolerant than most culinary herbs, Common Thyme delivers consistent flavor year-round and rarely suffers from serious pest issues.

Harvest

90-95d

Days to harvest

📅

Sun

Full sun

☀️

Zones

5–9

USDA hardiness

🗺️

Height

6-12 inches

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Start Indoors

Transplant

Harvest

Start Indoors

Transplant

Harvest

Showing dates for Common Thyme in USDA Zone 7

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Common Thyme · Zones 5–9

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing9-12 inches

SoilWell-drained, sandy or rocky soil, lean to moderately fertile

pH6.0-8.0

WaterLow water needs, very drought tolerant once established

SeasonPerennial

FlavorEarthy, minty, and slightly floral with warm, pungent undertones

ColorGray-green leaves with pink or white flowers

SizeTiny leaves, 0.25-0.5 inch long

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 5	March – April	May – June	—	June – October
Zone 6	March – April	May – June	—	June – November
Zone 7	February – March	April – June	—	June – November
Zone 8	February – March	April – May	—	May – December
Zone 9	January – February	March – April	—	April – December

Complete Growing Guide

Light: Full sun (6 or more hours of direct sunlight a day). Soil: Loam (Silt), Sand, Shallow Rocky. Soil pH: Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage, Moist, Occasionally Dry. Height: 0 ft. 6 in. - 1 ft. 0 in.. Spread: 0 ft. 6 in. - 1 ft. 4 in.. Spacing: 12 inches-3 feet. Growth rate: Medium. Maintenance: Low. Propagation: Division, Layering, Seed, Stem Cutting.

Harvesting

The fruit is a schizocarp and has four locules or small separate cavities. When the fruit dries, it will split into four sections. Each section contains one or more seeds.

Color: Brown/Copper. Type: Schizocarp. Length: < 1 inch. Width: < 1 inch.

Harvest time: Fall

Edibility: The leaves are used fresh or dried to flavor soups, stews, sauces, meats, or fish. It is a native Mediterranean herb that was cultivated as a culinary herb.

Storage & Preservation

Fresh thyme keeps best stored like cut flowers—trim stem ends and place in a glass of water, then cover loosely with a plastic bag and refrigerate. It will stay fresh for 10-14 days this way, much longer than wrapped in paper towels.

For drying, bundle small stems together and hang in a warm, dry, dark location with good air circulation. Thyme dries quickly, usually within a week. Once crisp, strip leaves from stems and store in airtight containers away from light. Properly dried thyme retains excellent flavor for 2-3 years.

Freeze whole sprigs in ice cube trays covered with olive oil for convenient cooking portions. You can also freeze clean, dry leaves in small containers—frozen thyme works beautifully in cooked dishes, though the texture becomes soft when thawed. Thyme makes excellent herb salt when mixed with coarse sea salt and dried thoroughly.

History & Origin

Origin: Southwestern Europe and Southeastern Italy

Advantages

+Attracts: Bees, Butterflies, Pollinators
+Edible: The leaves are used fresh or dried to flavor soups, stews, sauces, meats, or fish. It is a native Mediterranean herb that was cultivated as a culinary herb.
+Low maintenance

Companion Plants

Rosemary and lavender are the most practical neighbors for thyme — all three want lean, well-drained soil and full sun, so grouping them means you're not fighting yourself on irrigation, and around here in zone 7 Georgia that shared drought tolerance pays off by mid-July. Thyme near cabbage, broccoli, and potatoes is worth doing: the volatile thymol and carvacrol compounds in the foliage interfere with the host-finding behavior of cabbage loopers and Colorado potato beetles, making the whole block harder to locate. Skip cucumbers and basil as neighbors — cucumbers want consistently moist soil that will rot thyme's crown, and basil pushes for fertility and water that thyme flat-out doesn't need.

Plant Together

Rosemary

Similar growing conditions and both repel cabbage moths and carrot flies

Cabbage

Thyme repels cabbage worms, flea beetles, and other brassica pests

Tomatoes

Thyme repels tomato hornworms and may improve tomato flavor

Strawberries

Thyme deters ants and other pests that damage strawberry plants

Eggplant

Helps repel flea beetles and other pests that commonly attack eggplant

Potatoes

Thyme repels potato beetles and wireworms

Lavender

Similar Mediterranean growing conditions and both attract beneficial pollinators

Broccoli

Repels cabbage loopers, aphids, and other brassica pests

Keep Apart

Cucumber

Thyme's strong oils may inhibit cucumber growth and development

Basil

May compete for nutrients and thyme's woody growth can overshadow basil

Cilantro

Different water and soil requirements, thyme may stunt cilantro growth

Nutrition Facts

Calories

101kcal(5%)

Protein

5.56g(11%)

Fiber

14g(50%)

Carbs

24.4g(9%)

Fat

1.68g(2%)

Vitamin C

160mg(178%)

Vitamin A

238mcg(26%)

Iron

17.4mg(97%)

Calcium

405mg(31%)

Potassium

609mg(13%)

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #173470)

Pests & Disease Resistance

Resistance

Very disease resistant when grown in well-drained conditions

Common Pests

Spider mites, aphids (rarely serious problems)

Diseases

Root rot in poorly drained soils, botrytis in humid conditions

Troubleshooting Common Thyme

What you'll see, why it happens, and what to do about it.

Stems turning brown and mushy at the base, plant wilting despite moist soil

Likely Causes

Root rot from Pythium or Phytophthora spp. — almost always triggered by poor drainage or overwatering
Heavy clay soil holding water around the crown after rain

What to Do

1.Pull the plant and check the roots — if they're brown and slimy rather than white and firm, the rot is advanced; cut your losses and replant in a raised bed or container with well-draining mix
2.Amend beds with coarse sand or perlite before replanting; thyme tolerates soil pH anywhere from 6.0 to 8.0 and does better in lean, gritty soil than in anything that stays wet
3.Water only when the top inch of soil is dry — once established, thyme needs almost no supplemental irrigation through a normal summer

Gray fuzzy coating on stems and leaves, especially after a stretch of cool, wet weather

Likely Causes

Botrytis cinerea (gray mold) — thrives in humid, low-airflow conditions
Overcrowded planting below 9 inches of spacing, or dense mulch piled against the crown

What to Do

1.Cut back affected stems 3–4 inches into clean, healthy tissue and throw the clippings in the trash, not the compost
2.NC State Extension's herb guidance points to ample air circulation as one of the best defenses outdoors; space plants 9–12 inches apart and keep any mulch 1–2 inches back from the main stems
3.Do a hard trim after the first harvest flush each season — opening up the canopy drops the humid microclimate that Botrytis needs to take hold

Frequently Asked Questions

How long does common thyme take to grow from seed?▼

Common thyme is notoriously slow from seed, taking 75-90 days to reach first harvest size and often 6+ months to become a substantial plant. Seeds can take 14-28 days just to germinate. For faster results, start with nursery plants or root cuttings from existing plants, which can be harvested within 4-6 weeks of planting.

Can you grow common thyme in containers?▼

Yes, common thyme excels in containers and actually prefers the excellent drainage pots provide. Use a pot at least 8 inches wide with drainage holes, and fill with well-draining potting mix amended with sand or perlite. Container plants may need occasional watering during hot weather, but allow soil to dry between waterings.

What does common thyme taste like compared to other varieties?▼

Common thyme has the classic 'true thyme' flavor—earthy and minty with warm, pungent undertones and subtle floral notes. It's more intense and complex than lemon thyme but less citrusy, and much more refined than the sometimes harsh flavor of wild thyme varieties. This is the authentic taste used in French cuisine.

When should I plant common thyme in my garden?▼

Plant common thyme outdoors after the last frost date when soil has warmed to at least 60°F. In most areas, this means late April to mid-May. For seed starting, begin indoors 6-8 weeks earlier. In zones 9-10, you can plant almost year-round, but avoid the hottest summer months.

Is common thyme good for beginner gardeners?▼

Common thyme is excellent for beginners once established, requiring virtually no maintenance and thriving on neglect. However, starting from seed can be challenging due to slow germination and growth. New gardeners should start with nursery plants or cuttings for best success, then save seeds once they gain experience.

How do you keep common thyme from getting woody?▼

Prevent woodiness by harvesting regularly throughout the growing season and pruning back by one-third each spring before new growth starts. Divide established clumps every 3-4 years, replanting the youngest, most vigorous sections. Avoid over-fertilizing, which promotes weak growth that becomes woody faster.