The terms shamrock and clover are often used interchangeably. So, many people mistake them for the same plant. And that is ...

The shamrock carries religious ties, while the four-leaf clover is considered a sign of luck due to its exceeding rarity. In fact, around one out of 10,000 clovers have four leaves.

Four-leaf clovers are associated with good luck because they are so hard to find. And while four-leaf clovers belong in your box of Lucky Charms cereal, they’re not at the heart of Irish culture.