The peppercorn is actually the fruit of the plant. Pepper is what we know as a spice. Since people often confuse pepper (as in paprika) and pepper (as in spice), it’s now understood that peppercorn refers to the spice, while pepper refers to the plant.
They’re very vulnerable to cold, and they can’t stand temperatures under 18 degrees Celsius. Among many other health benefits, it’s thought that black pepper helps control cholesterol, pain, inflammation and it might help your memory.