Fennel is a versatile and aromatic herb that thrives in outdoor plant boxes, but choosing the right companion plants can significantly improve its growth and flavor. Here are the best plants to pair with fennel in your container garden:

1. Dill – A close relative of fennel, dill shares similar growing conditions and can enhance the flavor of both herbs.

2. Coriander (Cilantro) – This herb complements fennel’s licorice-like taste and attracts beneficial insects.

3. Nasturtiums – These vibrant flowers deter pests and add a pop of color to your plant box.

4. Lettuce – A shallow-rooted vegetable that grows well alongside fennel without competing for nutrients.

5. Chamomile – Known for its calming properties, chamomile also improves fennel’s growth by enriching the soil.

Avoid planting fennel near tomatoes, beans, or peppers, as these can inhibit its growth. With the right companions, your fennel garden will flourish in outdoor plant boxes, offering both beauty and bounty. Happy gardening!