Thyme illustration 🌿

Thyme Growing Guide

Lamiaceae family

Days to Harvest80 days
SunlightFull Sun
Frost ToleranceModerate
Spacing4/sqft (6" apart)
Germination14-21 days
HardinessHardy
Germ. Temp70°F
Start Indoors8 weeks before last frost

Companion Planting

Growth Stages

  1. Seedling
  2. Establishing
  3. Mature / Harvest Ready

Planting Dates by Zone

ZoneStart IndoorsTransplantDirect SowHarvest
Zone 1aMar 30May 18—Jul 17
Zone 1bMar 30May 18—Jul 17
Zone 2aMar 20May 8—Jul 7
Zone 2bMar 30May 18—Jul 17
Zone 3aMar 27May 15—Jul 14
Zone 3bMar 20May 8—Jul 7
Zone 4aMar 10Apr 28—Jun 27
Zone 4bMar 6Apr 24—Jun 23
Zone 5aMar 3Apr 21—Jun 20
Zone 5bMar 3Apr 21—Jun 20
Zone 6aMar 3Apr 21—Jun 20
Zone 6bFeb 18Apr 8—Jun 7
Zone 7aFeb 18Apr 8—Jun 7
Zone 7bFeb 13Apr 3—Jun 2
Zone 8aFeb 8Mar 29—May 28
Zone 8bJan 25Mar 15—May 14
Zone 9aJan 23Mar 13—May 12
Zone 9bJan 13Mar 3—May 2
Zone 10aDec 26Feb 13—Apr 14
Zone 10bDec 3Jan 21—Mar 22
Zone 11aDec 3Jan 21—Mar 22
Zone 11bNov 20Jan 8—Mar 9
Zone 12aNov 6Dec 25—Feb 23
Zone 12bNov 6Dec 25—Feb 23
Zone 13aNov 6Dec 25—Feb 23
Zone 13bNov 6Dec 25—Feb 23

Frequently Asked Questions

How long does it take to grow Thyme?

Thyme takes approximately 80 days from planting to harvest.

How much sun does Thyme need?

Thyme requires full sun (6+ hours direct sunlight per day).

How far apart should I plant Thyme?

Plant Thyme at 4/sqft (6" apart) using square foot gardening spacing.

Can Thyme survive frost?

Thyme is tolerant of moderate frost.

What are good companion plants for Thyme?

Good companion plants for Thyme include Cabbage, Eggplant, Strawberries, Tomatoes, Potatoes.

How long does Thyme take to germinate?

Thyme seeds germinate in 14-21 days at an optimal temperature of 70°F.

When should I start Thyme seeds indoors?

Start Thyme seeds indoors 8 weeks before your last frost date, then transplant -1 weeks after last frost.

Growing Tips

Common Pests & Diseases

Harvest Notes

Snip sprigs any time from established plants. Strip leaves from woody stems. Dries exceptionally well; retains strong flavor.

Plan Your Thyme Garden

Track Thyme from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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