Sorry, Shamrocks only have 3 leaves....holy trinity. Shamrocks are 2 or 3 times larger than any clover I have ever seen. 4 leaf clovers are supposedly lucky, but not the same. Paulette
Here's an explanation of the differences from a botanical point of view: http://landscaping.about.com/cs/lawns/a/clover_lawns.htm I have purple leaf and green leaf shamrocks blooming right indoors right now. Beautiful! Grace Bliss Smith