How to Grow Nocellara Olive
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Nocellara Olive
Olea europaea 'Nocellara'
treeNocellara is a premium Italian olive cultivar prized for its large, meaty fruits with a mild, buttery flavor. It is primarily used for table olives rather than oil production, known for excellent crispness and mild taste. The tree is moderately vigorous and productive, originating from Sicily.
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Example Nocellara Olive timeline · Pittsburgh, PA (Zone 6b)
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Plant Nocellara Olive
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 Nocellara Olive
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 8b-10, with limited cold hardiness (tolerates brief freezes to 12-15°F/-11-9°C)
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Get my Nocellara Olive timeline →Growth Stages
Establishment (Year 1-2)
Year 1-2Young tree establishes root system and develops main scaffold branches. Limited flowering and fruiting.
Water regularly but allow soil to dry between waterings. Remove competing leaders to establish a strong central trunk or multi-stemmed form. Mulch around base to retain moisture and suppress weeds. Protect from cold winds.
Juvenile (Year 2-4)
Year 2-4Tree grows taller and wider; begins to develop more branches. May produce sparse flowers and small fruit sets.
Continue shaping the canopy through selective pruning. Thin excessive branches to improve light penetration. Begin light fertilizing in spring with balanced or low-nitrogen formulation. Watch for pests and diseases.
Flowering (Spring, typically March-April)
4-6 weeksSmall, cream-colored flowers appear in clusters on last year's growth. Flowers are inconspicuous but essential for fruit set. Some trees exhibit alternate bearing (heavy crop one year, light the next).
Ensure adequate boron and zinc availability to improve fruit set. Provide consistent water during flowering. Avoid heavy pruning during or just before bloom. Nocellara is self-fertile but may benefit from cross-pollination.
Fruiting & Growth (Late spring through early autumn)
5-6 monthsFruits develop rapidly from early June onward. Olives are large (0.8-1.0 inch), turning from green to golden to dark purple/black when fully ripe. Peak harvest is typically September-November depending on maturity stage desired.
Thin fruit if overcrowded for larger table olive size. Maintain consistent water during fruit enlargement phase. Monitor for pests and diseases intensely during warm months. Continue light pruning of dead or crossing branches. Apply potassium-rich fertilizer in mid-summer if needed.
Harvest & Rest (Autumn-Winter)
2-3 monthsHarvest mature olives by hand or using mechanical shakers. Tree slows growth and enters dormancy in winter months.
Harvest green olives (firm, meaty, less bitter) or ripe black olives (softer, buttery) depending on preference. Prune after harvest to remove diseased wood, dead branches, and crossed canes. Reduce watering in winter; allow soil to dry out more between rains. No fertilizer needed during dormancy.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Monitor with pheromone traps starting in summer; apply spinosad or organic insecticides in late summer/early fall; harvest fruit promptly; remove fallen fruit to prevent breeding
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Prune out infected branches 12 inches below visible lesions; sterilize pruning tools between cuts; avoid overhead watering; improve air circulation; no chemical cure available
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Prune heavily infested branches; apply horticultural oils in winter or early spring; encourage natural predators like parasitic wasps
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Increase humidity and air circulation through pruning; spray with water to dislodge; apply sulfur dust (avoid when temperatures exceed 85°F) or neem oil if severe
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Remove infected leaves; prune for improved air circulation; apply copper fungicide in autumn or early spring during wet periods; keep foliage dry
Uses
Premium table olives
CulinaryNocellara olives are considered among the finest table olive varieties globally, prized for their large size, meaty texture, and mild, buttery flavor. They are enjoyed as appetizers, in salads, or on cheese boards after proper curing and brining. [source]
Olive oil production (secondary)
CulinaryWhile not a primary oil cultivar, Nocellara can be processed for oil, producing a mild, fruity extra-virgin oil with buttery notes when harvested early. [source]
Polyphenol-rich health benefits
MedicinalNocellara olives contain high levels of polyphenols and oleic acid, compounds linked to cardiovascular health, anti-inflammatory effects, and antioxidant protection. Regular consumption supports heart health and may reduce chronic disease risk. [source]
Traditional Mediterranean cuisine
HouseholdNocellara olives are a staple in Italian and Mediterranean cooking, used in traditional dishes, charcuterie boards, and as a symbol of culinary heritage and regional identity. [source]
Ornamental garden tree
CraftBeyond food production, Nocellara olive trees provide year-round visual interest with silvery-green foliage, distinctive gnarled trunks, and spring flowers, making them attractive landscape specimens in warm climates. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Nocellara olives are harvested at two main stages: green (firm, meaty, milder flavor, earlier in season—August-September) or fully ripe/black (soft, buttery, more complex flavor, late September-November). For table olives, hand-pick to avoid bruising. Harvest when the majority of fruit has reached desired color. Once picked, olives must be cured within a few days. Curing typically involves lye treatment (alkaline curing) or brine fermentation, followed by a rinse and brine storage. Fully ripe Nocellara olives yield the best flavor for fresh consumption.
Fun Facts
- 🌱 Nocellara olives originated in Sicily, Italy, and the name 'Nocellara' derives from the Italian word 'nocciola' (hazelnut), referring to the size and shape of the olive pit.
- 🌱 A mature Nocellara olive tree can live 300-500+ years and produce fruit for over 100 years, with some ancient trees in Mediterranean regions being over 1,000 years old and still bearing fruit.
- 🌱 Nocellara olives are a Protected Designation of Origin (PDO) product in Sicily when grown and processed according to strict regional standards, similar to fine wines; only olives from the Nocellara del Belice cultivar grown in specific Sicilian provinces can carry the PDO label.
Gardening Terms
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