This low-growing herb is perfect for USDA Hardiness Zones 1-5, thriving in well-drained soil and full sun. Thyme is incredibly ... The post 10 Perennial Herbs That Grow In Very Cold Climates ...
To cut or not to cut? That is the perennial question—pardon the pun—when it comes to cutting back plants in fall. With perennials, there is no one perfect time to cut back plants as a group.
Ideally, perennials should be lifted, divided and replanted every three to five years. You'll be rewarded with healthy, vigorous growth and a crop of new plants. Plants should be divided when they ...