Kalamata or Castelvetrano — which may come from different olive tree varieties grown in specific regions. However, the difference between green and purple or black olives comes down to ripeness.

Olive trees are grown throughout the Mediterranean ... The most common olives in the U.S. are green and black, though Kalamata olives are also popular. They are often sliced or used whole in ...

The Christmas trees, managed by The Tree Guys ... Extra Virgin Olive Oils that have the lowest acidity, gourmet Kalamata olive paste spread, and a variety of 11 different flavor-infused olive ...