Sweet Fennel

Foeniculum vulgare

Native to:
Afghanistan, Albania, Algeria, Baleares, Bulgaria, Corse, Cyprus, East Aegean Is., Egypt, Eritrea, Ethiopia, France, Greece, Gulf States, Iran, Iraq, Italy, Kriti, Lebanon-Syria, Libya, Morocco, Nepal, North Caucasus, NW. Balkan Pen., Pakistan, Palestine, Portugal, Sardegna, Saudi Arabia, Sicilia, Sinai, Spain, Tadzhikistan, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Turkmenistan, Uzbekistan, Yemen

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Apiaceae
Genus:
Foeniculum
Species:
Foeniculum vulgare
USDA Symbol:
FOVU

Growth Characteristics

Life Cycle:
Biennial | Perennial
Growth Habit:
Forb/herb
Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
yellow
Food Forest:
Contains edible parts

Host Plant for Caterpillars

Texas clearwing moth (Carmenta texana), Anise Swallowtail (Papilio zelicaon), Black Swallowtail (Papilio polyxenes), Old World Swallowtail (Papilio machaon), Papilio bairdii

Reported Fauna Sightings

Bees: Pyrobombus Dalla, ⚠️Western honey bee (Apis mellifera) Hummingbirds: Anna's Hummingbird (Calypte anna) Butterflies:Anise Swallowtail (Papilio zelicaon), Black Swallowtail (Papilio polyxenes)

Garden & Ecology Notes

Wildlife Value:
butterflies, beneficial insects, birds
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from taproot after fire or cutting; can become invasive in fire-prone areas.

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to Mediterranean regions with dry summers

Propagation & Germination

Stratification:
None required
Germination Time:
7–14 days
Notes:
Seeds germinate readily at 60-70°F with light. Direct sow in spring after last frost.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society