How do you get free instant grows in Farmville?

In Farmville, you can obtain free instant grows by participating in special events or promotions that offer them as rewards. Additionally, you can ask your friends for gifts or check the in-game store for free offers. Sometimes, completing certain tasks or reaching milestones in the game will also grant you instant grows. Lastly, watching ads or engaging in social media promotions may provide opportunities to earn them for free.