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Joseph's Take
Double Pink and Double Red Knockout Roses are nice if they are planted where they will not need to be trimmed, like on a property line. Sunny Knockout can be planted in part shade and is fragrant so I like to keep that one a little closer.
Mature Height: 5'
Mature Width: 5'
Flower Season: Spring through frost
Sun: Full Sun
Hardiness Zone: 5 to 11
This plant is suitable for the low temperates below:
Temp (F)
Zone
Temp (C)
-20 to
-10
5
-28.9
to
-23.3
-10 to
0
6
-23.3
to
-17.8
0 to
10
7
-17.8
to
-12.2
10 to
20
8
-12.2
to
-6.7
20 to
30
9
-6.7
to
-1.1
30 to
40
10
-1.1
to
4.4
40 to
50
11
4.4
to
10.0
