4 Leaf Clover Pegacorn debuted during St. Patricks Day Event (2013).
- Main article: Horse Paddock
The 4 Leaf Clover Pegacorn can be stored in the Horse Paddock. The Horse Paddock can be harvested every 1 day. When harvesting the Horse Paddock containing at least one 4 Leaf Clover Pegacorn, in addition to currency, it is possible to find the 4 Leaf Clover Pegacorn Foal or Animal Feed.
- Main article: Unicorn Island
The 4 Leaf Clover Pegacorn can be stored in the Unicorn Island. The Unicorn Island can be harvested every 12 hours. When harvesting the Unicorn Island containing at least one 4 Leaf Clover Pegacorn, it is possible to find 2 gemstones. One gemstone is for the farmer, and is sent to the farmer's Unicorn Island. The otheris for the farmer's friends, and can be shared to the player's wall.
- Main article: Horse Stable
The 4 Leaf Clover Pegacorn can be stored in the Horse Stable. A Horse Stable can be harvested once every day. When harvesting a Horse Stable containing at least one 4 Leaf Clover Pegacorn, players have a chance to find one 4 Leaf Clover Pegacorn Foal*, Arborist, Farmhand, or 100 experience. Farmhands, Arborists, and experience go directly to the player's gift box. However, the 4 Leaf Clover Pegacorn Foal may only be shared to the player's wall, where it may be adopted by the player's friends.
- Zynga considers the 4 Leaf Clover Pegacorn a mare♀.Mares require the presence of at least 1 (one) stallion in the Horse Stable in order to produce a foal.
- Main article: Mastery
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—Image © Zynga