How to Grow Fennel

Fennel plants release a chemical, (anethole) that impairs the growth of some other plants, so it should not be grown very close to beans, tomatoes or cabbage family plants. Fennel grows well in its own big container in a rich soil. It is easily propagated by seeds, sown early in the year, and is frost resistant. You can direct sow, or transplant, about a foot or so apart. Fennel thrives in dry and sunny places that remind it of it's mediterranean home. Harvest the leaves anytime, and the bulbs when large enough. Keep flower heads cut to insure a supply of green leaves, or let flower heads mature to harvest seeds when ripe.