ZonePlant

Companion pairing

beneficial

Cabbage + Thyme

Plant together

Why this pairing

Thyme volatile oils deter cabbage moths and the imported cabbageworm caterpillars. Underplant cabbage rows with creeping thyme as living mulch.

Practical considerations

Thyme and cabbage are a compatible pair in most kitchen garden situations. Creeping thyme varieties (Thymus serpyllum and similar low-growing cultivars) work best as underplanting along cabbage rows; upright culinary thyme can compete for light if positioned too close to developing heads. A spacing of 12 to 18 inches between thyme plants provides enough canopy density to suppress weeds without meaningful root competition.

Soil compatibility is straightforward: both prefer well-drained, moderately fertile ground with a pH between 6.0 and 7.5. Cabbage demands consistent moisture; thyme is notably drought-tolerant once established, so irrigation should be calibrated to the cabbage rather than the thyme.

The pairing is most useful during the mid-season window when cabbage moth and imported cabbageworm pressure peaks, typically late spring through early summer across most growing zones. The volatile oils thyme releases are the active mechanism. It offers less practical benefit as a late-fall companion in cold climates, where thyme may die back before the final cabbage harvest.

Crop A

Cabbage

Brassica oleracea var. capitata

Crop B

Thyme

Thymus vulgaris

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