Forsythia should be pruned immediately after flowering. Their new flower buds form by early June. The branch tips of forsythia will root where they touch the ground if not pruned back.
Harvest no more than a third of the stems on a rhubarb plant.
Plant bare-root strawberry plants in soil containing aged manure or compost.
Sweet potatoes need 90 to 150 frost-free days to yield a crop.
Avoid a heavy harvest on asparagus beds less than 3 years old.
Divide and replant crowded summer and fall blooming perennials such as Shasta Daisies, astilbes, rudbeckia, coreopsis, sedum and asters. Wait until the fall to divide spring blooming plants.
Chives are an easy plant to grow. They are rarely bothered by pests and they hold their neat appearance all throughout the growing season. They make a wonderful border for the perennial, herb or vegetable garden.