Olive

Olive trees are iconic Mediterranean landscape anchors, providing year-round silver-green foliage and gnarled, sculptural trunks that add ancient character. Their drought tolerance and compact size make them excellent specimen trees for xeriscape gardens, courtyards, and containers. The evergreen canopy offers light, dappled shade while allowing underplanting. Olives work beautifully in formal and informal designs, from structured groves to naturalistic plantings.

Olive leaf extract has been used medicinally for centuries, containing oleuropein and other compounds with antimicrobial, antiviral, and anti-inflammatory properties. Traditional uses include treating fever, high blood pressure, and diabetes. The oil serves as a carrier for herbal preparations and provides vitamin E and antioxidants. Leaf tea is consumed for immune support and cardiovascular health. Modern research explores its potential in managing cholesterol and blood sugar levels.

Extra virgin olive oil is fundamental to Mediterranean cuisine, used for cooking, dressing, and preserving. Table olives require curing to remove natural bitterness through brining, dry salt, or lye processing. Green olives are harvested unripe; black when fully mature. The oil enhances flavors in everything from salads to baking. Different varieties offer distinct flavor profiles from peppery to buttery, making olive oil selection an art form comparable to wine.

Olive groves support rich biodiversity, hosting numerous bird species, beneficial insects, and soil organisms. The trees sequester carbon effectively and prevent erosion on hillsides. Their drought-adapted root systems improve soil structure and water infiltration. Fallen leaves create nutrient-rich mulch. Ancient groves serve as wildlife corridors and refugia. The flowers provide nectar for bees, while fruits feed migrating birds. Traditional low-intensity cultivation maintains these ecological benefits.

Olive trees (Olea europaea) feature opposite, lanceolate leaves that are dark green above and silvery beneath, 4-10cm long. The bark becomes deeply furrowed and gnarled with age. Small, creamy-white flowers appear in axillary clusters. Fruits are drupes, green when young, turning purple-black at maturity. The tree typically grows 8-15 meters tall with a broad, spreading crown. Wild olives have smaller leaves and fruits with thorny branches.

Olive wood is extremely hard, dense, and durable with distinctive grain patterns featuring swirls of cream, gold, and dark brown. Though trees grow slowly and rarely straight, the wood is prized for small luxury items like cutting boards, bowls, and decorative objects. Its natural oils provide resistance to bacteria and moisture. The heartwood's irregular grain makes it challenging to work but produces stunning figured pieces. Ancient trees yield the most valuable timber.

Some olive trees are over 2,000 years old, with Jerusalem's Garden of Gethsemane containing specimens possibly dating to Christ's time. The olive branch symbolizes peace universally, originating from ancient Greek mythology. Trees can regenerate from roots even after the trunk dies. The world's oldest known olive tree in Crete is estimated at 3,000-5,000 years old. Olive trees were so valuable in ancient Athens that cutting one down was punishable by death.