Serve Them In Recipes

• Fennel fronds and stems are edible, according to the website NPR. The stalks have a fibrous texture like celery and can be added to salads. Add fennel fronds to dishes such as sea bass to give the dish a Mediterranean flavor.
  
  

Use Them as a Flea Repellent

• The website Green Living Ideas suggests using fennel as a flea repellent. Rub the fronds and stems all over your pet. The strong smell will naturally repel fleas.
  
  

Bottom Line

• Fennel fronds and stems are useful as garnishes, tasty in salads and add flavor to soups. Most importantly, they are rich in B vitamins, potassium and fiber. They may be useful in reducing cholesterol and preventing some kinds of cancer, according to The World's Healthiest Foods website. While rubbing them on your pet might keep fleas at bay, you'll find it more yummy to add these vegetables to your diet--you'll increase your culinary expertise and keep a bit more healthy.