If the bloom is a couple of weeks old, the black color is a signal that the bloom is spent and in decline especially if the leaves are green and healthy. This is a normal process that occurs with every bloom. Simply remove the spent bloom by following the stem to the base of the plant and cut it off.

What does it mean when flowers turn black?

Improper watering causes plants leaves to turn black and drop prematurely, but this can happen if you water too much, and can also happen if you water too little. … Ensure the soil around the plant remains evenly moist at all times, and when the top 1 to 1 1/2 inches of the soil feels dry, you know you’re good to water.

Why are my flowers rotting?

Some browning of plants and flowers can be a normal part of a plant’s life cycle. Flowers will brown and die after blooming; old leaves will turn brown and be replaced by new leaves. Brown leaves and flowers can also be signs of watering problems, infections or insects.