Horticultural names

All of the answers refer to something horticultural


1Which mistress of Edward VII was born in Jersey?
2For which film did Jessica Tandy win a best actress oscar?
3What was the pseudonym of the Japanese radio broadcaster Iva Tokuri whose propaganda programme was aimed at US soldiers during World War II?
4Who does Audrey Hepburn play in Breakfast at Tiffanys?
5Which novelist wrote A Severed Head, and was portrayed on film by Kate Winslet and Judi Dench?
6Where did James Cook’s ship, the Endeavor, first land on the continent of Australia?
7Who had a hit with Eighth Day and Breaking Glass?
8Dr Pamela Lillian Isley, a supervillain and adversary of Batman, is better known as who?
9Who joined the Monty Python team for The Secret Policeman’s Ball in 1979?
10Who is the social climbing snob in Keeping Up Appearances?
quiz kindly submitted by Tracey on 17th January 2016