Me find the control group, independent variable, and dependent variable for this experiment. different rose bushes are grown in a greenhouse for two months .the number of flowers on each bush is counted at the end of the experiment .

The control group is the rose bush. The dependent variable is the variable which can be manipulated and can affect the independent variable. The dependent variable is on the x-axis while the independent variable is placed on the y-axis. The dependent variable is the number of months and the independent variable is the number of flowers in each bush. 

Answertechnician (a) is correct;