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The Olive Tree

Olea europaea — the "European olive" — is one of the oldest cultivated trees in the world. The symbol of the Mediterranean, the emblem of peace and a source of healing for millennia, the olive tree is one of nature's most extraordinary gifts.

The Olive Tree

Olea europaea — the "European olive" — is one of the oldest cultivated trees in the world. The symbol of the Mediterranean, the emblem of peace and a source of healing for millennia, the olive tree is one of nature's most extraordinary gifts.

Botanical Characteristics

The olive tree belongs to the Oleaceae family. Easily recognised by its silver-green leaves, gnarled trunk and deep root system, it is an indispensable plant of subtropical climates.

  • Height: 8–15 m in the wild; 3–6 m in cultivated varieties
  • Leaves: Lanceolate, 4–10 cm long; silvery underside
  • Flowers: Small, cream-white, in clusters; blooms in spring
  • Fruit: A drupe; turns from green to black as it ripens
  • Root system: Shallow but very wide — can spread 20–30 m

🌿 Did you know?

Olive trees can live for hundreds of years. Some specimens in Italy are estimated to be over 3,000 years old. Trees on the Mount of Olives in Palestine are thought to date from biblical times.

Life Cycle and Growth

The olive tree is a slow grower. It typically takes 4–8 years to produce its first fruit and 20–25 years to reach full yield. Once mature, however, it can produce for centuries.

The tree flowers in spring and ripens its fruit in autumn. Green olives are harvested early — crisper and sharper in flavour; black olives are fully ripe, with the highest natural oil content.

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Climate and Soil Requirements

The olive tree has adapted perfectly to the Mediterranean climate — hot, dry summers and mild winters. It prefers well-drained, calcareous soils and is remarkably drought-tolerant, making it increasingly valuable in the age of climate change.

Cultural and Symbolic Importance

The olive tree has carried profound symbolic meaning throughout history. It is the sacred plant of the goddess Athena in ancient Greece, a symbol of peace in Christianity, and a blessed tree in Islam. The UN emblem features a world map framed by two olive branches.

  • Ancient Olympic victors were crowned with olive wreaths
  • The olive branch featured in Athens' city emblem
  • After the Great Flood, Noah's dove returned with an olive branch
History of the Olive Tree →

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