Florence fennel is a cool-season plant with an upright, clump-forming growth habit and fine, aromatic foliage. It is well adapted to mild and temperate climates and grows best under steady moisture and moderate temperatures. When grown from seed, Florence fennel establishes reliably in fertile, well-drained soil and is suitable for garden beds and large containers. This variety is commonly planted for seasonal home garden use where consistent growth conditions are maintained.
Features
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Upright, clump-forming growth habit
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Suitable for garden beds and container planting
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Adapted to cool and mild climates
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Performs best with even moisture and airflow
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Suitable for seasonal home garden planting
Specifications
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Scientific name: Foeniculum vulgare var. azoricum
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Common name (US): Fennel
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Seed type / variety: Florence fennel, green
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Growth habit: Upright, clump-forming biennial grown as an annual
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USDA hardiness zones: 4 to 9 (grown as an annual)
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Planting season: Spring or late summer, depending on climate
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Sowing season:
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Zones 4 to 6: April to May, July to August
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Zones 7 to 9: March to April, August to September
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Germination time and conditions: 7 to 14 days; cool to moderate soil temperatures with consistent moisture
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Sunlight requirements: Full sun
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Soil requirements: Well-drained, fertile soil with moderate organic content
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Watering needs: Regular watering; soil should remain evenly moist
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Mature plant size: 24 to 36 inches tall, 12 to 18 inches spread
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Plant spacing: 12 to 18 inches apart