You see an ice flower.
Location
North of Svargrond.
Notes
Only appear during the Thawing Mini World Change. It is usable and will turn into a Harvested Ice Flower. You can harvest them for Ice Flower Seeds. These flowers will respawn 4 hours after being harvested.
See also: Ice Flower/Harvesting Statistics
After successfully harvesting it 10 times you will receive the achievement Ice Harvester.