You will need: 
Hot glue gun or Thin wire
Hair Spray
Flowers that are dried, dried cattails, dried weeds or you can use plastic flowers
A wreath frame (available at stores in crafts dept.)
Ribbon to make a nice bow
 

Instructions
A.  After your flowers are dried (or use plastic flowers), spray the dried flowers with hair spray.

B.  Fasten the flowers to the wreath frame covering it all 

C.  Make a nice big bow out of the ribbon and attach it to the wreath