Yes, you can smoke cannabigerol hemp flower. In fact, it's one of the most common ways to get the cannabinoid in your system. You can buy the flower as is, grind it up and roll it into a joint, or use a pipe or vaporizer to smoke it.
Besides smoking it, you can also make recipes by infusing the buds into an oil or butter of choice. Many people who do this will then add the oil to a DIY skincare product, a salad dressing, or use some to make homemade desserts.
There are lots of exciting uses for CBG flower, see how creative you can be after getting your hands on some.