Herbs

Fennel

Fresh hydroponically grown fennel

Fennel, also known as Foeniculum vulagre, originated from the region of the Mediterranean. It is a mildly sweet herb and has feathery leaves. It is known to be a delicious addition to white meats, with both its greens and bulbs being edible and aromatic.

Hydroponics of Fennel

Hydroponic System

A handful of hydroponic systems can be employed to grow this herb, such as passive and aeroponic method, flood and drain method, drip system, and nutrient film technique.

Temperature

Ideal temperatures to grow fennel lie in the range of 60-to-70-degree Fahrenheit.

Nutrient Solution

The suggested pH range for this spice is from 6.4 to 6.8. Application of NPK fertilizer can ensure better results for plant height, seed yield, harvest index, and biological yield.

Nutritional Profile of Fennel

The following nutrients can be found in a serving of 100g of fennel herb.

Energy

The amount of energy attained from the specified serving is around 31Kcal. (FoodData Central, 2019)

Vitamins and Dietary Fibers

Fennels are rich in vitamins and dietary fibers. It consists of numerous vitamins, such as A, B, C, D, E, and K. The total dietary fiber content comes up to 3.1g. (FoodData Central, 2019)

Other Nutrients

This particular plant is one of the highest sources of sodium, calcium, potassium, and phosphorus. (FoodData Central, 2019)

ORAC Value

The total ORAC value of the fennel is 307.

Health Benefits of Fennel

Medicinal Uses

Fennel is traditionally used in a number of medicines to treat different ailments related to endocrine, digestive, respiratory, and reproductive systems. It is also used by lactating mothers as a galactagogue agent. (Shamkant B. Badgujar, 2014)

Chemistry of Fennel

Stems and leaves of the fennel display a significant content of moisture. There are several phenolics present in it, such as neochlorogenic acid, gallic acid, p-coumaric acid, chlorogenic acid, and caffeic acid. (Shamkant B. Badgujar, 2014)

References

  1. FoodData Central. (2019, April 1). U.S. Department of Agriculture. https://fdc.nal.usda.gov/fdc-app.html#/food-details/169385/nutrients
  2. Shamkant B. Badgujar, V. V. (2014). Foeniculum vulgare Mill: A Review of Its Botany, Phytochemistry, Pharmacology, Contemporary Application, and Toxicology. Biomed Res Int.

Frequently asked questions

Which hydroponic system is best for fennel?

Fennel can be grown with passive and aeroponic methods, flood and drain, drip systems, and the nutrient film technique.

What temperature does hydroponic fennel need?

Ideal temperatures to grow fennel lie in the range of 60 to 70 degrees Fahrenheit.

What pH suits hydroponic fennel?

The suggested pH range for fennel is from 6.4 to 6.8, and applying NPK fertilizer can ensure better plant height and seed yield.