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Star Roses (California)
Introduction Year
—  2018  —
C,E,F,G,L,N,O,P,R,T,VCoral Knock Out ® [RADral]

Shrub.  Orange or orange-red.  Double (17-25 petals), cupped bloom form.  Blooms in flushes throughout the season.  USDA zone 4b through 10b.  Height of up to 4½' (up to 135 cm).  Width of up to 4½' (up to 135 cm). William J. Radler (2007).

A,C,E,F,G,L,N,O,P,R,VWhite Knock Out ® [Radwhite]

Shrub.  Cream buds open to white flowers..  Mild, citrus fragrance.  Medium, single (4-8 petals) bloom form.  Prolific, continuous (perpetual) bloom throughout the season.  Height of 42" (105 cm).  Width of 42" (105 cm). William J. Radler (2008).

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