|Appears in||Pikmin 2|
|Treasure Hoard Number||15|
|Series||Nature's Candy Series|
|Location||Cavern of Chaos|
The Growshroom (ソダチノタケ) is a large mushroom found in the Cavern of Chaos, where it must be dug up before it can be collected. The name may be a reference to the Mushrooms of the Mario series, which is supported by the entry in Olimar's Journal and the Sales Pitch for the treasure, each stating that the treasure is able to increase one's size.
"According to the ship's analysis, you'll grow into a giant if you eat one of these. I'd like to field-test one of these babies. I wonder what would happen if I fed one to a purple Pikmin..."
"Eat one of these and grow to twice your normal size! Perfect for skinny beings unable to pack on any girth."
- This could be a reference to the Mario franchise, because Mario grows "twice his size" when he eats a mushroom in the Mario games.