Thyme growing profile.

Thyme Companion Plants

What may help, what can compete, and where the evidence is still uncertain.

Thyme Thymus vulgaris

Perennial herb in the mint family. View plant profile →

Quick answer

No reviewed study supports a specific beneficial companion for thyme yet. 1 traditional pairing is listed separately because the review found no adequate evidence.

Every status below has a direction, mechanism, context and source. "No verified relationship" means we looked and found nothing usable; the planner then evaluates spacing, light, water and timing normally. How we classify evidence →

Traditional claim (1)

Never a hard rule; may appear as an optional experiment.

Traditional claims are shown separately because repetition across charts is not evidence. They never change a planner score; treat them as optional experiments.

CabbageBrassica oleracea var. capitataTraditionalPest suppression · cabbage white caterpillars Thyme may affect CabbageSpring–Fall · arrangement unspecifiedTier D Review: August 15, 2026

Why?

Claim. Thyme is said to deter cabbage white butterflies. No controlled evidence found; thyme prefers much drier soil.

Mechanism. Proposed by tradition; not demonstrated in a controlled comparison.

Conditions. Planted together Both plants must be present at the same time.

Applies when. Optional experiment, not a guarantee.

Limitations. Water needs conflict.

Evidence. Tier D: Traditional knowledge or structured community observations without a controlled comparison. (tradition).

Sources. University of Minnesota Extension 2023

Reviewed August 15, 2026 by Garden Planner editorial team (pending independent horticultural review). Record thyme--cabbage--pest_suppression v1. Request a correction.

**A realistic garden scene where thyme grows beside a plant with a traditional or unknown relationship.**Coexistence in a photograph is not evidence that the plants affect each other.

Example layout for thyme

No supported or conditional relationship specifies a layout. Space thyme at 25–30 cm and plan by light, water and timing.

**Side view of thyme (15–30 cm) beside typical companions, showing canopy, support, shade and access.**

When these companions overlap

Bed occupancy in Portland, Oregon (estimates). A relationship only matters while both plants are present.

Thyme

Cabbage16 wk overlap

Overlap in weeks
Cabbage	16 weeks

Crop rotation guidance

Rotation is about what occupied the bed in previous seasons and is calculated separately from the live companion relationships above.

Thyme is a permanent planting and is not rotated.

Crop rotation hub · Lamiaceae family page

Physical and resource fit

Cabbage: Different water needs.

Fit checks come from plant attributes and apply even when a pairing has a positive claim.

Community observations (anecdotal)

These reports come from gardeners and are not reviewed evidence. Results vary with soil, climate and practice. Community data never changes an evidence tier or a planner score.

Reports for thyme: 0 (community submissions open in a later phase; drafts are stored only on your device).

**Community-submitted photo area (moderated) with context fields: region, season, layout, varieties, outcome.**

Record an observation

Evidence summary and sources

Companion planting in home gardens — University of Minnesota Extension, 2023 (guidance)

Reviewer: Garden Planner editorial team (pending independent horticultural review). Status counts on the Companions A–Z page are derived from these records. Corrections.

Thyme Companion Plants

Quick answer

Traditional claim (1)

No records match those filters

Example layout for thyme

When these companions overlap

Crop rotation guidance

Physical and resource fit

Community observations (anecdotal)

Evidence summary and sources

Related

Visual evidence on this page

Our Methodology & Sources