Kirby with a flower ailment in SSB4.

Flower is a special condition and an attack effect that forms a flower on a character's head. A condition can be set in Special Smash for all fighters to permanently have flowers on their heads. The flowering effect is simply a variation of the magic effect. Some items, like the Lip's Stick, can put a flower on the foe's head. The flower will continuously deal damage (1% about two or three times a second). The flower becomes bigger if an opponent already flowered is hit with a flowering attack again. The bigger the flower is, the faster it deals damage, and the longer it takes for it to fall off. The flower can be removed quickly by button mashing. In Super Smash Bros. Brawl, the Alloys are immune to flowering.

List of flowering attacks

By characters

Character Move(s) Games
Jigglypuff Rest    
Luigi Negative Zone (One of the effects it can cause is flowering.)  
Peach Flower Bomber  
Villager Garden
Wario Rose-Scented Waft

By items

Item Attack Games
Lip's Stick Any attack      
Poké Ball Pokémon Togepi: Leech Seed

By enemies and bosses

Enemy/Boss Attack(s) Games
Crazy Hand Squeezing grab release      
Fabric of space-time vortex