Herb Companion Planting Guide
Discover which herbs grow well together — and which to keep apart. Click any herb card for full companion details, or switch to the compatibility chart for a full overview.
This chart shows compatibility between commonly grown herbs at a glance. ✓ = good companions that benefit each other. ✗ = keep apart — they inhibit each other or compete. · = neutral, no strong interaction documented.
Aromatic herbs confuse pestsStrong-scented herbs like lavender, rosemary, and thyme mask the smell of nearby vegetables and herbs, making it harder for pests to locate their target plants.
Flowers attract beneficial insectsCalendula, chamomile, and borage attract lacewings, hoverflies, and predatory wasps that keep aphid and whitefly populations under control naturally.
Mint needs its own spaceMint spreads aggressively by underground runners and will take over any bed it shares. Grow it in containers or in a buried pot to keep it contained without cutting off its roots.
Fennel is the exceptionFennel is allelopathic — it releases compounds that inhibit the growth of most nearby plants. Give fennel its own dedicated bed well away from your herb and vegetable garden.
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