Seeds are used to unlock Characters, Skins, or Buildings and can be obtained in the following ways:

- Making Quagmire Plant His Seed

- Making Joe Get His Wheelchair Stuck in the Garden

- Making Mort Smell the Flowers

- Making Landscaper Brian Disturb a Beehive

- Making Sun Hat Peter Try to Score

- Making Sun Hat Peter Lose His Head

- Clearing Bee Keepers