It shows that you young couple really want to have a child, but the time is not ripe. Don't worry, as long as the time comes, you will get what you want. Grapes and plums are fruits, which means having children, but you didn't eat them later. Look at the immature plums, which means your time has not yet arrived.
Let's talk about your husband. Your husband dreamed about this, which means the same thing. He also strongly wants to have children, that is, he thinks every day and dreams at night.
Anyway, don't worry, there will be.