How to Grow Sicilian Green
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Sicilian Green
Ocimum basilicum var. basilicum
herbSicilian Green is a vibrant, large-leafed basil variety prized for its robust flavor and ornamental appeal. It produces abundant green foliage with a complex, slightly peppery taste that's excellent for fresh use and cooking. This Italian heirloom variety is more cold-tolerant than many basil types and grows into a full, bushy plant.
When should you plant Sicilian Green in your zone?
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Example Sicilian Green timeline · Pittsburgh, PA (Zone 6b)
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Plant Sicilian Green
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Sicilian Green
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Sicilian Green dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 5-10; can tolerate brief cold spells in zone 4 with protection
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Germination & Seedling
2-3 weeksSeeds sprout in 5-10 days at 70-75°F. Seedlings develop two cotyledons followed by the first true leaves.
Keep soil warm and moist; provide bright indirect light; thin seedlings to prevent crowding when 1-2 inches tall
Vegetative Growth
3-4 weeksPlant develops multiple stems and abundant dark green leaves; becomes progressively bushier with pinching. Reaches 12-18 inches tall.
Pinch off top 2-3 leaf nodes regularly to encourage branching and prevent early flowering; fertilize every 2-3 weeks with balanced liquid fertilizer
Flowering
Begins 4-6 weeks after planting; continues if not deadheadedSmall white or pale purple flowers appear on terminal spikes. Foliage quality and flavor decline as plant energy shifts to seed production.
Deadhead flowers immediately to extend harvest period and maintain tender leaf growth; use flowering stems for flowers if desired
Leaf Maturation & Peak Harvest
4-6 weeks under ideal conditionsLeaves reach maximum size (2-3 inches) and develop full flavor complexity. Plant is at its most productive stage.
Harvest regularly by pinching or cutting stems; maintain consistent moisture and warmth; continue pinching flower buds
Decline & End of Season
Variable; extends until killing frostAs temperatures cool (below 50°F at night) or daylight decreases, growth slows significantly; leaves may yellow and plant becomes woody.
Protect from frost with row covers; consider moving containerized plants indoors; take final heavy harvest before first frost expected
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Hand-pick in early morning; use row covers for young plants; apply neem oil or spinosad if populations are high
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Spray with insecticidal soap or neem oil; increase air circulation; introduce yellow sticky traps
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Mist foliage regularly; use miticides or horticultural oil; ensure adequate humidity and avoid over-fertilizing
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Hand-pick; set beer traps; apply copper tape around containers; remove leaf litter nearby
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Use disease-resistant seed stock; ensure excellent drainage; remove infected plants immediately; practice crop rotation
Uses
Pesto & Fresh Cooking
CulinarySicilian Green's robust, peppery flavor makes it exceptional for traditional Genoese pesto, pasta dishes, and fresh applications. Its larger leaves and bushy growth make it ideal for high-volume culinary use. [source]
Mediterranean Cuisine
CulinaryThe complex flavor profile complements Italian, Mediterranean, and Sicilian dishes including caprese salads, tomato-based sauces, and fresh bruschetta. Its robust character stands up well to cooking. [source]
Anti-inflammatory & Digestive Support
MedicinalBasil contains linalool and eugenol compounds with documented anti-inflammatory and antimicrobial properties. Traditional use supports digestion and general wellness. [source]
Fresh Cut Arrangements & Fragrance
HouseholdThe aromatic foliage can be used in fresh bouquets, herb bundles, and dried arrangements. The fragrance naturally repels insects when placed indoors. [source]
Pollinator Garden
WildlifeWhen allowed to flower, the pale purple blooms attract bees and other beneficial insects, supporting garden pollination and biodiversity. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Begin harvesting leaves when plant is 6-8 inches tall by pinching off top leaf pairs; harvest regularly to encourage bushiness and extend season; pick in morning after dew dries for best flavor; remove flower buds to prolong leaf production; final full harvest 1-2 weeks before expected frost
Fun Facts
- 🌱 Sicilian Green is believed to have originated in Sicily, Italy, where it's been cultivated for centuries as a cornerstone of Mediterranean cooking and regional identity.
- 🌱 Unlike some basil varieties that bolt quickly in heat, Sicilian Green is notably more cold-tolerant and can produce leaves into early fall, making it valuable in cooler climates.
- 🌱 The name 'Sicilian' refers to both the geographic origin and a specific growth habit characterized by large, abundant leaves and a fuller plant structure compared to 'Genovese' basil.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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