20 Moves
Requirements:
4 Flowers
6 Fireflies
90 Carrots
90 Water drops
First things first.
Concentrate on the fireflies. If you open the ones at the bottom
first, you have less chance of them being closed again by falling
crops.
While you are opening
them, you will automatically mostly open the flowers, so that's easy
enough.
Once that part is done,
multiple matches, combinations and +5 moves to get extra value on
your crops and you will get the required numbers.