How do you marry nami on harvest moon?

Which Harvest Moon are you playing? You can marry Nami in Harvest Moon: A Wonderful Life, A Wonderful Life: Special Edition, and Harvest Moon DS. The way you get married is different depending on the game.

For A Wonderful Life propose with the Blue Feather when Nami has Four Hearts in her Diary.

For Harvest Moon DS you must complete all the marriage requirements. Which are:

Upgrade your house twice

Buy the double bed

See all four heart events

Have a Red Heart with her

Rescue at least 60 Harvest Sprites

After that you can propose with the Blue Feather.