That depends. Are you playing Harvest Moon Tree of Tranquility or Harvest Moon Animal Parade?
Luke is a marriage candidate in both those games but the way you get married is different.
Tree of Tranquility requirements:
Have at least eight hearts
Complete all five Heart Events, including the request event
Get the Blue Feather
You must propose on a Sunny day.
Animal Parade requirements:
Have at least nine hearts
Complete all the Heart Events
Upgrade your house
Get the Blue Feather
Luke marries Selena the dancer if you don't marry him.
Because you can Marry his brother Luke, they don't want brothers fighting over you ;)
if your a girl you can marry chase, wizard, luke, toby, harvest king, julius,calvin, owen, jin or gill and if your a guy you can marry selena, witch, maya, anissa, candice, kathy, luna, pheobe, renee, or harvest godess
You cannot marry the Harvest Goddess in Harvest Moon: Back to Nature. Your options are Ann, Elli, Mary, Karen, and Popuri. You can marry the Harvest Goddess in Harvest Moon: Friends of Mineral Town.
You can get married in all the Harvest Moon games.
No. If you want to marry a guy you'll need to get Harvest Moon DS Cute.
you have to get 20 extra lumber i am not sure why i read it here on wiki answers
Yes, you can marry Muffy on harvest moon ds, but it takes a while, i would suggest looking for websites like Fogu.com that tell you all aout harvest moon.
Spinach and mayonaise.
no
No
No, Flora is not a marriage candidate in Harvest Moon: A Wonderful Life. She is a marriage candidate in Harvest Moon DS.