This is pretty good for a newbie shot.
As Jaggedbubbles said, the colours are slightly washed out. You can try using a digital camera and adjust such things on the computer.
What I find slightly dissapointing about this shot (and I mean this in the nicest possible way) is that it is slightly boring. I know you have focused directly on the plant however it just looks a little half-hearted. Maybe you could have tried different angles or compositions, instead of just keeping the subject in the middle.
Anyways, keep taking photos and keep your good work up!
3nodding