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Bronze Fennel

Bronze Fennel

Foeniculum vulgare

herbaceous☀️ full sun💧 low water❄ Hardy: Zone 4a – Zone 9b

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Bronze Fennel is a striking herbaceous perennial with delicate, feathery bronze-purple foliage and yellow flower clusters that attract pollinators. It is widely used as an ornamental, culinary herb, and permaculture insectary plant.

Overview

Form
Upright
Growth Rate
fast
Size
3–5′ tall × 1.5–2.5′ wide
Dormancy
deciduous
Family
Apiaceae

Native Range

Mediterranean

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Harvest Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SummerFall

Notable Cultivars

Bronze Fennel is the primary ornamental and culinary cultivar, prized for its distinctive coppery-bronze foliage that contrasts beautifully with other garden plants. It is sometimes listed as 'Foeniculum vulgare purpureum' and is the most widely available colored fennel variety.

Companion Planting

Avoid near

5
Wwild carrot

wild carrot

Daucus carota

Fennel is allelopathic to carrots and inhibits their growth through root zone competition and chemical exudates.

Cchili pepper

chili pepper

Capsicum annuum

Fennel's allelopathic compounds may inhibit pepper growth and nutrient uptake when grown in close proximity.

Ggarden nasturtium

garden nasturtium

Tropaeolum majus

Fennel is allelopathic to most companion plants; its root exudates inhibit germination and growth of Tropaeolum and many other species. Fennel is generally best grown in isolation.