2 links have been added on this idea.
  1. green fingers

    Highly recommend plant snap, it really encourages you to learn about the plants in your garden and the wider world.

  2. A similar idea – one that recognises animals and plants. Linking to it here but it looks like there are a few apps that do something like this:
    PlantNet Plant Identification. …
    LeafSnap – Plant Identification. …
    PlantSnap – Identify Plants, Flowers, Trees