How to Grow Maurino Olive

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Maurino Olive

Olea europaea 'Maurino'

tree

Maurino is an Italian olive cultivar prized for both oil production and table olives, known for its vigorous growth and excellent productivity. This medium-sized tree produces high-quality extra virgin olive oil with fruity, herbaceous notes and is highly resistant to many olive diseases. It's a popular choice for both commercial orchards and home gardens in Mediterranean climates.

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Example Maurino Olive timeline · Pittsburgh, PA (Zone 6b)

Plant Maurino Olive
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Maurino Olive
Late summer into fall

Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Maurino Olive dates for your own zip code.

Growing Conditions

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Sun: Full sun, 8+ hours daily (6 minimum); more sun improves oil quality

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Water: Moderate; drought-tolerant once established. Water regularly during first 2-3 years and during flowering/fruit set. Mature trees need minimal supplemental water except in severe drought.

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Spacing: 360 inches

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Days to maturity: 1095-1460

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Planting depth: At same depth as root ball; tree should not be planted deeper

Soil

Type: Well-draining loamy or sandy soil

pH: 6.0-8.0

Amendments:

Compost or aged manure at planting Perlite or coarse sand if drainage is poor Calcium (lime) if pH is below 6.0

Growing Zones

Find your zone →

Thrives in zones 8-10; can survive brief freezes to around 12°F (-11°C)

8a 8b 9a 9b 10a 10b

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Growth Stages

Young Tree (Establishment)

2-3 years

Newly planted 1-2 year old tree with developing root system and initial canopy formation

Water deeply and regularly (1-2 times weekly) for first 2-3 years; protect from harsh winds; stake if needed; prune to establish open goblet shape; apply mulch 2-3 inches away from trunk

Vegetative Growth

2-4 years

Tree develops strong branches and foliage; increasing height and canopy spread

Continue regular watering; prune to maintain open center; remove crossing or inward-growing branches; thin excess shoots to improve air circulation; fertilize moderately in spring

Flowering

3-4 weeks

Small whitish flowers appear in late spring (May-June in Northern Hemisphere) in clusters along branches

Do not over-fertilize with nitrogen (reduces flowering); ensure adequate water during flowering and fruit set; Maurino is self-fertile but produces more with cross-pollination from other cultivars like Frantoio or Leccino

Fruiting & Maturation

4-5 months

Green fruit develops and gradually changes to dark purple-black as it ripens (August-November depending on location)

Water moderately but consistently; avoid water stress which causes fruit drop; monitor for pests; do not fertilize during this stage; thin fruit if exceptionally heavy crop to improve oil quality

Harvest & Rest

2-3 months

Fruit fully ripe and ready for harvest; tree enters dormancy period

Harvest by hand-picking or gentle mechanical harvesting; olives for oil should be harvested early-to-mid season for better flavor; prune after harvest to rejuvenate; minimal watering during dormancy (winter)

Companion Planting

Plan your garden →

Plant with:

Lavender Rosemary Thyme Oregano Borage Fennel Mediterranean herbs

Avoid planting near:

Black walnut (produces juglone) Competitive shallow-rooted trees

Common Pests

Yellow sticky traps; pheromone traps; remove fallen fruit; harvest promptly; organic spinosad spray if severe; encourage natural parasitoids
Horticultural oil spray in dormant season; neem oil in growing season; prune heavily infested branches; encourage beneficial predatory insects
Improve air circulation by pruning; avoid overhead watering; copper fungicide in humid conditions; remove infected leaves; Maurino has good resistance
Prune and destroy infected branches well below knots; sterilize pruning tools; avoid wounding tree; no chemical cure; Maurino shows some resistance

Uses

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Extra Virgin Olive Oil Production

Culinary

Maurino olives produce high-quality, robust extra virgin olive oil with fruity, herbaceous, and peppery notes ideal for salads, finishing dishes, and Mediterranean cooking. The oil is known for its excellent stability and resistance to oxidation. [source]

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Table Olives

Culinary

When fully ripened, Maurino olives can be harvested and cured for consumption as table olives through salt curing or lye treatment methods, offering a flavorful addition to antipasti and Mediterranean dishes. [source]

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Olive Polyphenols & Heart Health

Medicinal

Maurino olive oil is rich in polyphenols including hydroxytyrosol and oleocanthal, compounds with anti-inflammatory and antioxidant properties linked to cardiovascular health benefits in Mediterranean diet studies. [source]

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Cosmetic & Skincare

Household

High-quality Maurino olive oil can be used in natural skincare preparations, soap-making, and cosmetic formulations due to its emollient properties and vitamin E content. [source]

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Pollinator & Bird Support

Wildlife

Olive flowers provide nectar and pollen for bees and other pollinators, while mature trees offer shelter and occasional berries for birds and wildlife in Mediterranean landscapes. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Harvest olives for oil from late September through early November (Northern Hemisphere) when fruit transitions from green to purple-black for best flavor and oil quality. Harvest by hand-picking into tarps or using gentle mechanical harvesting to minimize bruising. Early harvest (green olives) produces fruity, peppery oil; later harvest (ripe olives) yields buttery, milder oil. Process harvested olives within 24 hours of picking for optimal oil quality. Table olives should be left to fully ripen and then cured through salt or lye treatment.

Fun Facts

🌱 Maurino is one of the most disease-resistant olive cultivars, particularly to olive leaf spot and verticillium wilt, making it ideal for organic growers and challenging climates.
🌱 Maurino olive trees can live for 300+ years and continue producing, with some ancient trees in Italy still yielding high-quality oil after centuries of cultivation.
🌱 The name 'Maurino' likely derives from the Maremma region of Tuscany, Italy, where this cultivar has been cultivated for centuries and remains a cornerstone of local olive oil production.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Cultivar Full Sun Mulch pH Pollination

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