[Need Help adding color to a B&W photo]

Thank you for your quick responses!  I used to work in Photoshop...about three years ago at a very beginner level.  I did know to do layers but I was missing the blend mode part! You don't use it you lose it (:  but thank goodness I am picking it up again with help of course! 

[Need Help adding color to a B&W photo]

I have a color photo

I want to change it to black and white (easy enough)

Next I want to add some color into some flowers

 

Example:

Color Photo changed to Black and White

My flowers from my wedding were all white...how do I add soft pink touches to the flowers? 

 

Thanks so much!!!