How to Grow Olive Tree, Manzanillo
Wikimedia Commons
Olive Tree, Manzanillo
Olea europaea 'Manzanillo'
treeManzanillo is a classic Spanish olive cultivar prized for both oil production and table olives. It produces large, meaty fruits with excellent flavor and is one of the most widely planted olive varieties worldwide. This semi-dwarf tree is relatively cold-hardy and productive, making it popular for home and commercial cultivation.
When should you plant Olive Tree, Manzanillo in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Olive Tree, Manzanillo timeline · Pittsburgh, PA (Zone 6b)
-
Plant Olive Tree, Manzanillo
Around Apr 17Near Pittsburgh's average last spring frost.
-
Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
-
Harvest Olive Tree, Manzanillo
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Olive Tree, Manzanillo dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 8-11; can survive brief freezes to 10°F (-12°C)
Sign up free to see if Olive Tree, Manzanillo grows in your zone — and get a personalized planting timeline.
Get my Olive Tree, Manzanillo timeline →Growth Stages
Establishment
2-3 yearsYoung tree with developing root system and initial canopy formation
Water regularly for first 2-3 years. Provide wind protection. Stake for stability. Mulch around base (keep away from trunk).
Vegetative Growth
Years 2-5Tree increases in size with new shoots and leaf production; minimal flowering
Prune to develop open goblet shape. Remove crossing or crowded branches. Fertilize sparingly with balanced NPK or high-potassium formula. Train main scaffold branches.
Early Flowering
Spring, 2-4 weeksSmall whitish flowers appear in spring clusters; light fruit set possible
Thin flowers if overcrowding. Ensure adequate pollination (Manzanillo is self-fertile but benefits from other olive varieties nearby). Avoid excess nitrogen.
Fruit Development & Maturation
June-OctoberOlives enlarge through spring and summer, changing from green to red-brown to purple-black
Thin small fruits to reduce overcropping (2-3 inches apart). Maintain consistent watering. Reduce pruning to avoid removing fruit-bearing wood. Support heavy branches.
Harvest & Dormancy
October-December harvest; dormancy December-FebruaryFruit reaches full maturity; tree enters slow-growth winter period
Harvest when desired ripeness is reached. Reduce watering in winter. Prune after harvest if needed for shaping. Fertilize lightly in late winter.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
-
Use pheromone traps, insecticidal soap, spinosad sprays (organic), or reflective mulches; harvest fruit promptly
-
Horticultural oil sprays in dormant season; prune heavily infested branches; encourage natural predators
-
Prune infected branches 6+ inches below visible galls; disinfect pruning tools; avoid winter pruning in wet climates
-
Improve air circulation; fungicidal sprays (copper-based) in humid conditions; remove infected leaves
-
Spray with water to dislodge; use miticides if severe; maintain adequate humidity
Uses
Table Olives & Oil Production
CulinaryManzanillo olives are renowned for their large, meaty flesh, making them superior table olives with a mild, buttery flavor. They also yield excellent extra virgin olive oil with fruity, herbaceous notes. [source]
Brining & Curing
CulinaryThe firm fruit holds up well to traditional Mediterranean brining and curing methods, developing complex flavors when preserved in salt and brine solutions. [source]
Antioxidant & Heart Health
MedicinalOlive oil from Manzanillo is rich in polyphenols and oleic acid, compounds associated with cardiovascular health and anti-inflammatory benefits in Mediterranean diets. [source]
Oil for Cooking & Cosmetics
HouseholdExtra virgin olive oil is versatile for cooking, salad dressings, skincare preparations, and soap making due to its emollient and antioxidant properties. [source]
Food Source for Birds & Pollinators
WildlifeFlowering olive trees attract bees and other pollinators; mature fruits provide food for migratory birds and local wildlife. [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 from September through November, depending on desired ripeness. For table olives, pick when turning from green to red-brown (green table olives) or fully black (ripe table olives). For oil production, harvest when fully ripe and black. Use gentle hand-harvesting to avoid bruising, or use mechanical harvesters for large quantities. Fruits should be processed within 24-48 hours for best quality.
Fun Facts
- 🌱 Manzanillo olives earned their name from the Spanish word 'manzana' (apple) due to their large, apple-like size and round shape—they are among the largest olive cultivars.
- 🌱 Olive trees are incredibly long-lived; mature Manzanillo trees can produce quality fruit for 50-150+ years, and some wild olives exceed 1,000 years old.
- 🌱 Manzanillo is self-fertile and will produce fruit alone, but cross-pollination with other olive varieties like Arbequina or Frantoio increases yields and reduces alternate bearing patterns.
Gardening Terms
New to gardening? Learn about terms used in this guide:
Join 30,000 gardeners planning their gardens with LizPlants.
Get your personalized Olive Tree, Manzanillo planting timeline
Tell us your zip code and we'll calculate exactly when to start Olive Tree, Manzanillo seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.
Get my Olive Tree, Manzanillo timeline →