Pickerelweed

Pickerelweed is a plant added by Upgrade Aquatic. It comes in two variants, purple and blue, which can be crafted into purple and blue dye respectively. It can also be boiled and subsequently consumed to restore 3 bubbles on the player's air meter. Its texture is animated if it is submerged in water.

Obtaining
Pickerelweed generates in swamps, rivers and flower forests, and can be found in shipwreck supply chests. It can only grow if it is in water, but has air above it to grow.