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Wet Dry
Deciduous No
Density N/A
This article is about an older version of DF.

Tower-caps are a type of mushroom which will grow on muddy areas inside the fortress. They are in all respects like trees that grow underground. Only 361 Tower-caps can exist in a fortress at any one time, whether fully grown or not. With some effort, tower-caps can be used as a renewable, in-cave source of wood.

Tower-caps will grow on any muddied rough stone tile, including tiles with items on them, stockpiles, farm plots, and even impassable building tiles. Fortunately, even in such odd places they can still be harvested. Tower-caps will not grow on smooth or engraved floors.

Unlike outdoor tree saplings, young tower-caps are immune to trampling. Be sure to chop down any tower-caps that grow to maturity in active corridor(s), as they will block the passage of your dwarves.