Bill Radler, breeder of the Knock Out® series, has developed several climbing roses with strong disease resistance. Notable cultivars include Morning Magic™, 'Winners Circle', 'Ramblin Red', and 'Cancan'. While personal experience with these is limited, Radler's breeding track record suggests excellent performance.
David Austin Rose Selections for Small English Gardens: Expert Review
New Knockout Rose Leaves Curling: Mildew or Fertilizer Burn?
Reviving Stressed Knockout Roses After Transplant and Drought
Rose Rosette Disease: Identification and Management
Rose Rosette Disease: Why Knock Out Roses Aren't the Only Victims
Rose Rosette Disease: Remove All Roots Before Replanting
Black Spot–Resistant Roses: Top Cultivars for Disease-Free Gardens
Post-Storm Knock Out Roses: Mulch Fungus, Transplant Shock & Recovery
Yellow Leaves on Winter Roses in Namibia—Not a Virus
Knock Out Rose Leaves: White Spots → Holes = Shot Hole Fungus
Organic Rose Care in Ohio: Beating Japanese Beetles and Black Spot
Knock Out Rose Decline: Investigating Sudden Browning in Kansas City
Knockout Roses and Rose Rosette Disease: No Special Resistance
Breaking the Spray Cycle: Choosing Disease-Resistant Roses and Cultural Controls
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