Smoglings
A Smogling is an enemy created by Sgt. Smogglor. Smoglings have the ability to turn your flowers into Black Flowers which will wither at dusk. Smoglings also have a larger counterpart called a Smogglob which can also create Black Flowers as well as Miasmo Flowers.
How to Defeat Them
There are many different ways to defeat a Smogling such as;
Spraying a Smogling with water until it explodes.
Tossing snacks at it.
Running it over with any vehicle.