Open-Pollinated · 75–90 days from direct seeding
perennial in most climates · timing varies by zone
Grows well in
Raised Bed ✓
In-Ground ✓
Container/Pot ✓
Grow Bag ✓
Meet This Plant
Common Thyme is one of those herbs that rewards you for paying less attention to it. It's a perennial that comes back every year, handles drought beautifully, and doesn't ask for much beyond good drainage and sunlight. The small aromatic leaves have a warm, earthy flavor that works in just about everything savory. The tiny flowers that appear in summer are edible too and attract beneficial insects by the dozen.
Plant it once and pretty much just leave it alone.
What it tastes like: Warm, earthy, and slightly woodsy with a subtle floral edge from the flowers. It's one of those flavors that's hard to place when it's in a dish but immediately missed when it's not.
How to Grow It
Sun
Full sun. At least 6–8 hours daily. Thyme gets leggy and loses its flavor and fragrance in shade.
Water
Water deeply but infrequently. Thyme is drought tolerant and hates wet feet. Well-drained soil is non-negotiable. Overwatering is the fastest way to kill it.
Sowing Details
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Depth⅛–¼ inch. Seeds are very small. Scatter on top and cover with just a thin layer.
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Spacing9–12 inches
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Row Spacing12–18 inches
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Germination14–28 days. Slow and uneven. Don't give up on it.
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Days to Maturity75–90 days from direct seeding
When to Plant
Start indoors 8–10 weeks before your last frost. Transplant out after danger of hard frost has passed once soil temps hit at least 70°F. Thyme is cold tolerant once established but young transplants need settled warm conditions to get going.
In zones 3–4 mulch heavily going into winter to protect the roots. Thyme may die back hard in the coldest winters but typically returns from the roots in spring.
Spring and fall are both good planting windows. Direct sowing is more practical here. The soil stays warm enough to speed up germination without as much fuss. In zones 8–9 thyme can essentially be harvested year round.
In zones 10–11 thyme grows as a short-lived perennial or annual. The heat and humidity of summer can shorten its lifespan, so plan to replace plants every 2–3 years rather than 3–4.
Grow Friend Tips
Drainage is everything
Thyme will tolerate poor soil, heat, drought, and neglect but it will not tolerate wet roots. If your soil is heavy or compacted, plant thyme in a raised bed or container where drainage is easy to control. More thyme plants die from overwatering than from anything else.
It comes back every year
In zones 3–9 thyme is a perennial. Once it's established you don't need to replant it. Cut it back in spring, give it some sun, and it will keep growing year after year. In zones 3–4 mulch heavily going into winter to protect the roots. In zones 10–11 the heat and humidity can shorten its lifespan, so plan to replace plants every 2–3 years.
Cut it back in spring to prevent woodiness
Thyme stems get woody over time and woody stems don't produce flavorful leaves. Every spring cut the plant back by about a third to encourage fresh new growth from the base. This keeps the plant compact, productive, and less likely to get scraggly.
Harvest before the flowers open for peak flavor
The essential oils that give thyme its flavor are most concentrated just before the plant blooms. If you want the best tasting thyme cut it in the morning just as flower buds are forming. Once it's in full flower the leaves are still good but slightly milder.
Replace plants every 3–4 years
Even with good care thyme eventually gets too woody and the flavor declines. Plan to replace your plants every 3–4 years. By then you'll know exactly where it grows best in your garden and the new plants will establish quickly.
Companion plants
Cabbage
Tomatoes
Eggplant
Strawberries
Broccoli
Brussels Sprouts
Harvest & What to Do With It
When it's ready
Thyme is ready for its first light harvest about 75–90 days from seed once the plant is established and growing strongly. In subsequent years you can start harvesting much earlier. The best time to harvest is just before the plant flowers when flavor is at its peak.
How to harvest
Snip stems from the tips leaving at least 5 inches of growth on the plant. Don't cut back into the woody base or it won't regrow well. Strip the leaves from the stems by running your fingers down the stem against the direction of growth. During the first year harvest lightly to let the plant establish. In following years cut back more generously.
Yield
A single established plant gives you more thyme than most home cooks can use through the season. One or two plants is genuinely enough.
Short-term storage
Wrap loosely in a damp paper towel and refrigerate. Keeps 1–2 weeks. Best used fresh.
Long-term storage
✅
Drying: Thyme dries exceptionally well. Tie small bundles and hang upside down in a dark well-ventilated spot for 1–2 weeks until completely dry. Strip leaves from stems and store in an airtight jar. Keeps 12 months with good flavor retention.
✅
Freezing: Strip leaves from stems, freeze flat on a tray, then bag. Keeps up to 6 months. Good for cooked dishes.
❌
Pressure canning: Not appropriate.
❌
Water bath canning: Not appropriate.
What to cook
Added to soups, stews, and braises where it holds up to long cooking better than most herbs. Rubbed onto chicken, lamb, and pork before roasting. Stirred into compound butter. Layered into focaccia dough. Tucked into a bouquet garni. It's not flashy but every dish it touches is better for it.
Seed Storage & Saving
| Variety |
Common Thyme |
| Type |
Open-Pollinated |
| Seeds per packet |
~200 seeds |
Storing unused seeds: Keep somewhere cool, dark, and dry. Viable about 2–4 years when stored properly.
Seed saving: Thyme is insect-pollinated and will cross with other thyme varieties nearby. Grow only one variety at a time for reliable purity, or isolate by several hundred feet if you're growing more than one. Let a few stems go to flower and set seed fully. Once the seed heads are dry and brown on the plant, cut them, bring inside to finish drying, then shake the seeds out. The seeds are very small so work over a piece of paper or a tray. Store in a cool, dark place.
