Can I plant dill next to cabbage?

Yes. Attracts beneficial predatory insects that protect brassicas.

Can I plant dill next to carrot?

Better not to. Reputed to inhibit carrot root development once dill matures, but no research was found testing this specific pairing — the only related study tested dill's allelopathic effect on tomato germination, not carrot. Treat this as garden tradition, not measured evidence.

Companion Planting: Dill

Anethum graveolens

Spacing: 4 per square foot. Mature height: 2-3 ft.

Plant these nearby

Cabbage: Attracts beneficial predatory insects that protect brassicas.

Keep these apart

Carrot: Reputed to inhibit carrot root development once dill matures, but no research was found testing this specific pairing — the only related study tested dill's allelopathic effect on tomato germination, not carrot. Treat this as garden tradition, not measured evidence.

Common pairings, answered directly

Can I plant dill next to cabbage?: Yes. Attracts beneficial predatory insects that protect brassicas.
Can I plant dill next to carrot?: Better not to. Reputed to inhibit carrot root development once dill matures, but no research was found testing this specific pairing — the only related study tested dill's allelopathic effect on tomato germination, not carrot. Treat this as garden tradition, not measured evidence.

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Companion planting for Dill: which plants to grow next to it, which to keep apart, and the reason behind each pairing.

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