On what date is St Patrick's Day celebrated?
Answer17 March
St Patrick's Day falls on 17 March, the traditional date of Saint Patrick's death.
Nature · Facts & stats
Shamrock facts & stats
7 fact-checked facts about shamrocks and clover, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Ireland is often nicknamed what, for its green landscape?
AnswerThe Emerald Isle
The nickname 'Emerald Isle' refers to Ireland's lush green countryside.
Going deeper
The word 'shamrock' comes from the Irish word 'seamróg', meaning what?
AnswerLittle clover
Seamróg is a diminutive of seamair, clover, so it means 'little' or 'young clover'.
The clover genus name Trifolium means what?
AnswerThree leaves
Trifolium comes from Latin tri (three) and folium (leaf).
Why do farmers often plant clover to improve soil?
AnswerIts roots host bacteria that add nitrogen to the soil
Bacteria in clover root nodules turn nitrogen from the air into forms plants can use.
Expert level
What is the scientific name of white clover?
AnswerTrifolium repens
White clover is Trifolium repens; 'repens' means creeping, describing its spreading stems.
Which genus of wood sorrels is often sold as 'shamrock' though it is not a true clover?
AnswerOxalis
Oxalis plants also have three-part leaves and are sold as shamrocks, but they are not clovers.
Know these cold?Today's round is five questions like these, 20 seconds each. Your streak and level follow you to every arena.Play today's round