Red Twig Dogwood Hedge - Garden Work

I've been seeing some really nice bushes with red branches that stick up from the ground. A friend told me they're red-twig dogwoods. Are they very easy to grow?

Red-twigs are at their best in winter ... Chicago Tribune: Why a weak, spindly red twig dogwood shrub needs moved “I have a red twig dogwood shrub I planted at least two years ago in my backyard that tends to be moist and shaded by some adjacent trees. It has only grown to about 3 feet tall and has thin foliage. My garden has some red-twig dogwoods that are very large and have very little color in their stems.

red twig dogwood hedge, These are supposed to be good plants for winter interest. Should I give up and remove them to plant ... HeraldNet: Red twig dogwoods — there’s variety of shrub for all seasons Seattle Times: Red twig dogwoods are tough, easy to care for, and provide spectacular color Red twig dogwoods are tough plants. Equally happy in well-drained soil or clay, they can withstand drenched conditions in spring, yet are drought tolerant as a rock, needing little if any water, even ... Red twig dogwoods are tough, easy to care for, and provide spectacular color