Thyme at a glance
| Botanical name | Thymus vulgaris |
|---|---|
| Family | Lamiaceae |
| Other names | common thyme, garden thyme |
| Plant type | Herb; woody perennial herb |
| Size | 6 inches to 1 foot tall, 6 to 16 inches wide |
| Light | Full sun (6 or more hours of direct sun) |
| Water | Water while young plants root in, then only in long dry spells. |
| Soil | Well-drained, lean soil; neutral to alkaline. |
| USDA hardiness zones | Hardy in zones 5 to 9. |
| USDA PLANTS symbol | THVU |
When to plant thyme
Plant in spring after the last frost.
Turn these into real dates for your area with the planting calendar.
How to grow thyme
- Plant in full sun in well-drained soil.
- Avoid rich soil and heavy feeding, which make plants floppy.
- Water sparingly once established.
- Trim lightly after flowering to keep plants compact.
- Replace very woody plants every few years.
Water and soil
Water: Water while young plants root in, then only in long dry spells.
Soil: Well-drained, lean soil; neutral to alkaline.
Light: Full sun (6 or more hours of direct sun).
Common problems
- Woody, sparse plants
- Normal with age. Trim yearly and replant old clumps.
- Rot in wet soil
- Improve drainage or grow in a pot.
Is thyme safe for cats and dogs?
Non-toxic
Non-toxic
The ASPCA lists Thyme (Thymus vulgaris) as non-toxic to cats and non-toxic to dogs. ASPCA entry.
If a pet chews a plant and you are worried, call your vet or the ASPCA Animal Poison Control Center (888-426-4435; a fee may apply). For people, call Poison Help at 1-800-222-1222. In an emergency, call 911.
Can you eat thyme?
Leaves are used fresh or dried in cooking.
Thyme questions
Is thyme toxic to pets?
The ASPCA lists thyme as non-toxic to cats and dogs.
Does thyme come back every year?
Yes, common thyme is a perennial in zones 5 to 9.
Can thyme grow in a pot?
Yes. Use a pot with a drainage hole and a gritty, fast-draining mix.
Sources
- NC State Extension Gardener Plant Toolbox: Thymus vulgaris (size, light, soil, zones, poison rating)
- USDA PLANTS Database profile: Thymus vulgaris L. (accepted name)
- ASPCA: Thyme (pet toxicity)
- ASPCA Animal Poison Control: plants toxic and non-toxic to cats
- ASPCA Animal Poison Control: plants toxic and non-toxic to dogs
Written in our own words from the sources above. See our editorial policy. Spotted a mistake? Tell us.
