Fertilize

Fertilize is a plant trick from the Mega-Grow class. It costs 3 Sun to play. When played, you choose a Plant to get +3/+3. Cannot be played if there are no Plants in play. It is not from any tribes. It is a Basic Common card. It is 1 of the starting Mega-Grow cards.

Using
Play it on a Re-Peat Moss to make it do a powerful Bonus Attack.

Fighting
If a Plant becomes too powerful, you can destroy it with a Locust Swarm or a Rocket Science.