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Foeniculum vulgare
fennel
Foeniculum vulgare
Fennel is a perennial herb with feathery leaves and a bulbous base. It has a licorice-like flavor and is used in culinary and medicinal applications. Fennel attracts beneficial insects to the garden.
CategoryDetails
Plant TypePerennial plant
Culinary UsageEdible plant
Medicinal UsageMedicinal Usage
Duration to maturity4 months to harvest
Estimated Plant Lifespan3 years lifespan
Sun Requirements6+ hours direct sunlight (Full Sun)
Pollination

Method: Animal

Notes: Fennel is primarily pollinated by insects, especially bees and other pollinators.

Watering Requirements

Method: Water at the base of the plant.

Frequency: Water regularly, especially during dry periods.

Notes: Fennel prefers consistently moist soil but can tolerate some drought.

Humidity Requirements

Level: Moderate

Maintenance: Provide good air circulation to prevent fungal diseases.

Cleaning RequirementsRemove yellowed or dead leaves to promote air circulation and prevent disease. Mulch around the plants to retain moisture and suppress weeds.
Temperature Range

Min: -5°C

Max: 30°C

Ocimum basilicum
Sweet basil
Ocimum basilicum
Basil repels some pests and is said to improve fennel's flavor.
Daucus carota
wild carrot
Daucus carota

Fennel can cross-pollinate with carrots, potentially affecting carrot flavor and quality.

Flea Beetles

Small jumping beetles that chew small holes in the leaves.

Steps:

    • Sow seeds directly into the garden in spring or fall.
    • Plant seeds 1/2 inch deep and 12-18 inches apart.
    • Keep soil moist until germination.
    • Thin seedlings to desired spacing.

Neem Oil

Effective for controlling aphids and other pests.

Diatomaceous Earth

Can be used to control aphids and flea beetles.