Possible Clues:

• A tree's chopped up for festival
• Festive flower finally
• North of the festival for a bit of a blow
• What a bloomer of the festive Orient!
• Annual religious festival
• Bonnet time
• After being lent, the flower is oriental
• A steer for a festival
• An oriental bloomer for a festive occasion?
• Perhaps more like the end of 8 down, but not at that time