'Mustard' in the Bible

It is like a grain of mustard seed, which a man took, and put in his own garden. It grew, and became a large tree, and the birds of the sky lodged in its branches."

The Lord said, "If you had faith like a grain of mustard seed, you would tell this sycamore tree, 'Be uprooted, and be planted in the sea,' and it would obey you.