The sunglasses in her hands betray the age of the image. "It's not that I want to look younger," Matilde Ferrer excuses herself with a laugh, it's that the photograph in that Berlin restaurant reminds her of the happy trip she took with her children and she always likes to look at it again. In the background, there is no green or any plant to be seen. Nor any of the flowers that she has dedicated herself to hybridizing for more than forty years.