It is a warning that we are moving away from natural laws. If you are sowing, then it indicates that we must prepare to acquire knowledge that will be useful in our work. If you are pruning, it means there is a lot of superfluous in us.
Dream dictionary: runing dream meanings
…To dream of seeing or pruning grape-vines, or gathering grapes, is prosperity to persons in trade, journeys to the rich, employment to the poor, and comfort to those in affliction. Lucky lottery dream numbers – 38, 17….