Trying to grow new plants from the cuttings of your existing plants? Break out the rooting hormone. Rooting hormone is ...

Selective weed killers kill some plants, but not others ... Plant cuttings can be dipped in hormone rooting powder before planting. Synthetic plant hormones are used to control plant growth.

Selective weedkillers kill plants that some species of animals rely on as a food source. This can result in a reduction of biodiversity. Plant cuttings can be dipped in hormone rooting powder ...