now if they developed a "blue" knock out, then watch out. I'd be getting a ton of them as they're one of the most dependable roses here in our area. Almost ever single city-scaped area has a gazillion knock outs in the area 'cuz they don't give a hoot about watering or cold or anything.
Woofie - I have a Joseph's Coat that refuses to grow taller than 18". It's supposed to be a climber, but just won't get any taller than that in the 3 years it's been in the ground, which is good 'cuz it's right smack in the middle of my yard where I really can't have a climber.
However, my Picante, which is only supposed to get like 2-3' per Certified Rosers (I called them up) and it's over 5' tall.