Thyme Companion Plants
Herb70 days to maturity
Thyme is a low, spreading Mediterranean herb with tiny aromatic leaves, prized both for cooking and as a tough, drought-tolerant ground cover. It thrives on poor, well-drained soil and full sun and resents wet feet, which can rot its woody stems. Its dense low habit and strong scent make it an excellent living mulch and pest-repelling companion.
Companion Checker: what grows well with Thyme?
Tap any plant to see whether it pairs well with Thyme and why. Green means a beneficial companion, red means keep them apart.
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Companion Planting Strategy for Thyme
Thyme's aromatic oils repel cabbage worms, whiteflies, and other pests, and its sprawling habit shades the soil to suppress weeds around taller crops. As a low, undemanding plant it tucks neatly beneath and between vegetables without competing for light or much water.
Best Companion Plants for Thyme
These plants grow well alongside Thyme — providing pest control, attracting pollinators, or making better use of your garden space.
Thyme's strong scent repels the cabbage worm and cabbage moth, protecting cabbage and other brassicas from caterpillar damage.
Thyme makes a good low companion for strawberries, its aroma deterring worms and its dense mat helping shade the soil and draw pollinators to the flowers.
Thyme's scent helps repel whiteflies and other tomato pests, and as a low ground cover it shades the soil without competing with the taller tomato plants.
How to Grow Thyme
- Botanical name
- Thymus vulgaris
- Family
- Mint (Lamiaceae)
- Sun
- Full sun, 6-8 hours daily
- Water
- Low; water deeply but infrequently and let soil dry between waterings
- Soil
- Lean, gritty, well-draining soil, pH 6.0-8.0
- Spacing
- 9-12 inches apart
- Planting depth
- Surface-sow seed and press in lightly; set transplants level with the soil
- Germination
- 14-28 days at 65-70F
- Days to maturity
- About 75-90 days to first harvest from seed; faster from divisions or cuttings
- When to plant
- Transplant after the last spring frost; thyme is a hardy perennial in most temperate zones
- Harvest
- Snip sprigs anytime, ideally just before flowering for the strongest flavor; take no more than a third at once
Common Thyme Problems
Root rot (woody base browning and dying back in wet soil)
Plant in gritty, fast-draining soil or a raised bed, water sparingly, and avoid mulching wet against the crown.
Powdery mildew and gray mold (fuzzy growth in damp, crowded conditions)
Improve airflow by spacing and trimming, avoid overhead watering, and remove affected stems promptly.
Spider mites (fine webbing and stippled leaves in hot, dry spells or indoors)
Rinse foliage, raise humidity for indoor plants, and apply insecticidal soap or neem oil if mites take hold.
Woody, sparse growth as plants age
Shear plants back lightly after flowering each year and divide or replace clumps every 3-4 years to keep growth fresh and leafy.
Thyme Companion Planting FAQ
What are the best companion plants for thyme?
Thyme pairs well with cabbage and other brassicas by repelling cabbage worms, with strawberries as a pollinator-drawing ground cover, and with tomatoes by deterring whiteflies while shading the soil. It also thrives beside fellow Mediterranean herbs like rosemary, sage, and oregano that share its dry, sunny conditions.
What should you not plant with thyme?
Thyme has very few bad companions, but avoid pairing it with thirsty, heavy-feeding crops in rich, constantly moist soil, since thyme needs lean, dry, well-drained ground. Keep it from being shaded out or overwatered by vigorous neighbors.
Does thyme come back every year?
Yes, common thyme is a hardy perennial that returns each spring in most temperate zones, growing woodier over time. Shear it back after flowering and divide it every few years to keep it dense and productive.
How do you keep thyme from getting woody?
Trim or shear the plant lightly after it flowers to encourage fresh leafy growth and avoid cutting into the bare woody base. Every 3-4 years, divide or replace old clumps, since thyme naturally turns woody and sparse with age.
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Plan Your Thyme Garden
Use our interactive tools to design the perfect garden with Thyme and its companions.