Glowberry

Glowberries are used in "The Second Smurfette" they are under-ripe strawberries. They are green in apperence and are smaller than strawberries, they give a very bitter taste. When eaten, They give the user invisablilty.

It is used by Sleepy in "Sleeping Smurfs", Painter, Naughty and Idle in "Painter's Sweetheart"