Dandelion

Dandelion puffs are very rare flowers that cannot be bought at Tom Nook's shop

How to Obtain Them
First of all, you have to time warp a week or more. When you go bck to your time they will appear on a random spot. There is no crossbreeding combination known yet with this flower.

Uses
You can plant this around your town, use this as a furniture item, or wear it on your head. You can also sell to Tom Nook.