There are different occasions which one person might celebrate and rejoice. Pink roses do not really convey deep love to the girl. Pink roses are the ones which are convey gentleness towards a person. They are not really a symbol of romance but they surely tell the other person that you think of them as elegant or that you want to thank them for something. In case, you are planning to appreciate your girl and want to thank her for being with you, then you might want to give her pink roses. It is a beautiful way of conveying to her that you love her and at the same time thank her for being there in your life. In case, someone you really care about is graduating, you can send these flowers to them as a graduation gift and convey your best wishes to them.
Tulips, especially the red tulips ones symbolize perfect love. Many people do not know about this but then these are quite pretty. Everyone is always concerned about rose but tulips are really quite. Even your girlfriend would love it, if she is gifted something unique. It shows the efforts that you put in to convey your love for her. Next time, try something unique like this to see that your girlfriend is much impressed. Tulips are in fact going to cheer up the mood and it is really amazing to see the mood change.
You can even send these graduation flowers with bear so that they feel more special.