Possible Clues:

• Representative turning up with mother to poet isn¿t expected ever to thaw
• 'Curly Locks, Curly Locks', street rime?
• Odd farmer in place of observation is unlikely to ever thaw out
• Sort of ground farmers opt to change
• Top farmers cultivated polar ground
• What's always very cool way to follow hairstyles
• It covers much of Alaska
• Hairstyle a US poet displayed, a feature of polar regions