Pinch or trim off flowers as they fade during spring and summer to convince the plant that it's reproductive job isn't finished. The periwinkle responds to deadheading with continued blooming, thereby extending the flowering season significantly and keeping the plant's appearance tidy.

How do you keep periwinkle blooming?

Give plants lots of light with a little partial shade to protect them against the strong rays of the sun. If plants become a little straggler, they can simply be cut back to make them bushier! Plant periwinkles where they get good air, sun and drainage and there will be no keeping them from blooming.

Does vinca need to be deadheaded?

Annual vinca doesn't require deadheading, or the removal of faded flowers, to continue blooming, making it a wonderfully low-maintenance annual flower for sun. Some older types of vinca can self seed in the garden, especially in subtropical areas.