Jesus started to tell the parable of the mustard seed
Yet when planted, it grows and becomes the largest of all garden plants, with such big branches that the birds can perch in its shade.” It is like a mustard seed, which is the smallest of all seeds on earth. Again he said, “What shall we say the kingdom of God is like, or what parable shall we use to describe it?
This is a mustard seed - the smallest of seeds