Dreaming of flowers in the grave indicates that your fortune is not good in the near future, because you will feel very sad if you don't handle a little thing well.
Other effects:
The staff dreamed that the flowers were in full bloom in front of the grave, which indicates that your fortune is very good in the near future, and your performance at work is appreciated by your boss, who values you very much.
Children dream that flowers are in full bloom at the grave, which indicates that your fortune is very good in the near future, and what you want will soon be given to yourself.
Asking scholars to dream of flowers in front of the grave shows that your recent exam results are not good, and you always like to be opportunistic and unwilling to review them in a down-to-earth manner, which leads to such results.