One of the keys to successfully growing perennials like hellebores, hostas, and black-eyed Susans is planting them correctly and at the best time ... Add at least 1 to 1.5 inches of water per ...

These striking perennials do best in zones 5 to 9, requiring full sun and well-drained, drought-tolerant soil to thrive,' Tabar says. There are many attractive red hot poker varieties to grow ...

and the best offered to American gardeners. Now, not only are there single flowered varieties of these tough, zone 3-5 hardy perennials with flowers like huge lawn daisies, but double forms ...