| ||Plants were everywhere. They grew out of beds hewn into the bedrock and filled with peat, in enormous chests, troughs and flowerpots. They climbed up rocks, up wooden trellises adn stakes.|| |
|- pg. 207, The Last Wish (UK edition)|
In the short story "The Voice of Reason", Nenneke explains to Geralt that climate changes have changed the nature of sunlight in the world and that is why only the unique climate conditions in the grotto allow some of the plants to grow at all any more.