Giant Fennel

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Giant Fennel

Makes an interesting ornamental whose seeds can be used as a spice and flavoring.

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(Ferula communis APIACEAE)

Fennel shares some of the same qualities as ordinary fennel (Foeniculum vulgare). Though the blanched young shoots are considered edible when used in small amounts, this plant should be used in moderation for a short time since it contains potentially toxic principles, especially in the root. The edible portions are the seeds and the thickened base of leaves and young shoots; however if used in large amounts it can lower the prothrombin level of the blood. The aromatic seeds can be used as a spice and flavoring. Aside from its value as a spice and flavoring plant it makes a very interesting ornamental. Medicinal: Used as a carminative, expectorant, laxative, and diuretic. The essential oil of this plant has been reported to cause liver regeneration in studies with rats.


Flowers:Small yellow flowers borne in an umbel
Foliage:Fine lacy foliage
Lifecycle:2    (0: N/A, 1: annual, 2: perennial, 3: biennial)
Height:72 to 96 inches
Diameter:24 inches
Container Planting:no

Cultural Requirements:

USDA Zones:2 to 10
Propagation / Germination:Germinates in 7 to 14 days.
Spacing:30 to 36 inches apart
Sun:Full sun
Pests and Diseases:zones 2-5,Perennial, zones 6-10/70????°F/---/7-14 days/direct sow, transplant/sun/72-120" ht./36" apart]

Garden Medicinals offers over 220 varieties of medicinal and culinary herb seeds, roots, and select heirloom vegetable and ethnic flower seed. All seeds are non-gmo, open-pollinated and untreated. Most seeds are naturally grown and a few are certified organic. Our vegetable seeds do especially well in hot, humid climates where vegetable production can be difficult. Our herb selection also includes dormant root stock of ginger, ginseng, goldenseal, black cohosh, false unicorn, and wild yam.

Note: Medicinal uses of herbs mentioned in our store are not intended nor implied to be a substitute for professional medical advice. Please see a qualified medical practitioner for diagnosis if you have a health problem.

Garden Medicinals and Culinaries: Preservation through Propagation