you can grow a Hass avocado tree in a pot and this is especially recommended if you live in USDA hardiness zones 8 or below. In zone 8, you may be able to overwinter the tree outdoors. Beyond that, ...
In the UK and EU, your throwaway spoon is now most likely made from paper, wood (probably birch) or something like bagasse (a compostable sugarcane by-product) like those found at London fast-food ...