I have seen them, too. About seven times now. Each has been absolutely amazing.
Yes, rose bushes sound very helpful. And a house and gifts (what kind?) they will also take a favoring to.
I heard it helps to sing to them, and I also heard they enjoy partaking in the feasting of creme, milk, sugar and, of course, honey. They like neatness and you must be careful to make a good first impression.
Another word to the wise: fairies will only show themselves to who they wish. Keep your heart open but also keep your EYES open. Some fairies are not what they seem. Be careful. And do not trust them. Ever. Because you can never completely trust a fairy as they are not of this realm and they are not of this nature.
They are best spotted in the early morning hours.
From One To Another