Silkworms are very picky eaters. They will only eat one thing and lots of it, mulberry leaves. It would take about two fully grown trees to produce just one pound of silk.

Silkworms are very picky eaters! They only eat mulberry leaves and lots of them. Mulberry is a type of tree that's found in the warmer areas of Asia, Africa, and North America. Mulberry trees have a fruit that we can eat but silkworms only eat the leaves.