Shamrock

How did Saint Patrick use the shamrock in his teaching?
According to St. Patrick's Day lore, Patrick used the three leaves of a shamrock to explain the holy trinity: the Father, the Son, and the Holy Spirit...
Is a water shamrock a consmer?
What is a shamrock plant?How do shamrocks reproduce?Is a shamrock a flower?Is a shamrock poisonous?Are shamrock plants invasive?Are shamrocks weeds?D...