When I was in Florence in 2015, I visited the botanical gardens. These were set up in 1545 and originally provided the plants for the pharmacists to make medicines. Nowadays the gardens are part of the university of Florence. You can visit them and it is a lovely place to walk around.
When I looked at the photographs (I do that sometimes, especially when the weather is cold and grey and I need a fix of 'Sun, warmth and Italy') I notice that of course the botanical gardens do not just grown plants in the garden, but also have greenhouses and have a job to preserve plants and to study rare plants.
So here are a few photographs of the greenhouse in the Botanical gardens of Florence, and the pots with newly grown plants.
I know that next time I will visit Florence, I will visit the botanical gardens again as well.