For some newer hybrid zinnia varieties, including those in the Profusion Series and Zahara Series, deadheading isn’t entirely necessary. These hybrids continue to bloom without deadheading ...

And deadhead spent flowers to encourage continuous flowering.' Carrie recommends applying a balanced fertilizer every 4-6 weeks during the growing season. She also adds that taller zinnia ...

This step-by-step guide on how and when to plant zinnia seeds will help you time your sowing right so you can grow healthy plants that will bloom for months. Related: Are Zinnias Perennials or ...