Red rose dye does not appear in the crafting menu and is listed to make some of the other dyes
How to replicate
Step 1- go to a crafting bench
Step 2- go to the picture frame
Step 3- scroll down
– No red rose dye
Step 1- go to inventory
Step 2- go to craft
Step 3- go to the picture frame
Step 4- scroll down
– No red rose dye
In Pocket Edition you have to smelt a red mushroom in the furnace to get red dye. There are no roses, instead there are the blue 'cyan flowers', which render no dye.