Knock Out' rose is an All-America Selections winner that ... Cut back aggressively if you want, but not down to the graft union. That's the knob at the base where the roots and stems meet.

Add easy-to-grow 'Knock Out' roses (Rosa 'Knock Out') to your garden for beautiful blooms all season. Fact checked by Emily ...

SHREVEPORT, Louisiana (KTBS) — Both Knockout and Drift roses have become favorites in both residential and commercials landscapes due to their low maintenance and impressive blooming cycles.