We're trying to cut our water use at Eden. We welcome around 1,000,000 visitors a year and have two million plants in our gardens, so if we can do it, you can too!

The health benefits of pistachios include a healthy heart, weight management, protection against diabetes and hypertension, and improved digestion. The vitamins, minerals, fats and protein found in pistachio are all very good for your health.

In 2014, Iran and the United States were the major producers of pistachios, together accounting for 76% of the total world production.

It is not just the world of oil which is bracing itself for the impact of Iran’s return to the market after the recent lifting of US sanctions.