Reason for Rejection Technical Issues can you tell me where I am going wrong.

All those pictures are very soft. The background shows the artefacts typical for small sensor cameras.

All are out of focus, the middle one has the focus on the background:

And even if that would be the point of interest, the image would not be sharp enough.

Your first and third image needs to have the heart of the blossom crisp sharp. It is not.

If you want to contribute flower pictures, you need to know that they are vetted really hard and that they need to be perfect, as they are abundant in the database.