you cant since you can only crossbreed in Animal Crossing wild world.
The Person who wrote that ^ is wrong
I suddenly got a Orange Rose out of no where
I believed you need Red Rose and Yellow Rose ( Don't know how many)
and wait for a couple or weeks/days
you can't. But you can make other colored hybrid colors such as pink, blue, and orange.
Sable is one; teal is another.
a teal like bird
The colors teal and purple make a blueish gray color.
Blue and green mixed make a teal or blue-green.
Miniature yellow roses.
Teal
Teal
Search the food chain and that will give you the answer
Cobalt.
green and blue
Cyan (Aqua).
blue, green, and white