How do you start growing a rose from a piece of stem with no apparent root showing?

I was given a Long Stem White Rose which I placed in a vase with water. The Rose never fully bloomed. Instead, the stem started showing growth and the flower completely died. I cannot see any sign of rooting. How do I accomplish beginning a root base for the stem to continue producing growth for planting?

Answers:
Make sure you cut off any flower or hip(the part under the flower) first. It will use up needed nutrients. If it's a very long stem, cut into 2-3" sections, preferably with a leaf section in each.Cut the bottom at an angle with a sharp knife or razor. Dip bottom end into Rootone or any other rooting compund(available at any garden center). I haven't had any luck with rooting roses in water. Mine do better in a small pot with moist sand. Good luck! PS. Most long stemmed roses are hybrids, so you may not get the same flower you started with.

Other answers:
get some B-12 from your nursery, cut the end of the stalk at an angle with a razor blade...Dip the stalk in the B-12 and plant it...The B-12 helps to promote root growth...
get some B-12 from your nursery, cut the end of the stalk at an angle with a razor blade...Dip the stalk in the B-12 and plant it...The B-12 helps to promote root growth...
Try Schultz Take Root. It's a powder that you put in the container containing the water and rose. It is available at Walmart, Lowe's, etc. for less than $5. It works on other plants, too. Leave it in the water until the roots are healthy.
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