Silkworm

How to Acquire
Silkworms are hatched from Silkworm Eggs by placing the eggs on an Herbalist Table for 24 in-game (8 real life) hours. Once hatched, the worms need to feed as described below, so it is important to move them into a container with food within 24 in-game (8 real-life) hours (best within 12 in-game (4 real-life) hours).

Once you have hatched your Silkworm Eggs into worms, place them in another container (preferably a container that can hold at least double the amount of Silkworms you have, chests and cupboards work nicely), and match their number with Mulberry Leaves. Every 12 in-game (4 real-life) hours, the Silkworms will check for leaves; if there are none, they will check again in 12 in-game (4 real-life) hours, if at that point there are still no leaves, they will die. Note: it is easier and safer if you have the space to put 4 leaves per egg in the container at the start.

After a silkworm has eaten leaves 4 times, it will turn into a Silkworm Cocoon.