Preparing Perennials And Flowers In The Fall:
1. Water your perennials and flowering shrubs in the fall.
2. Once the ground has frozen hard, cut perennials back to 3 inches and then mulch them.
3. If you want to add a new flower bed come spring, cover that area now with mulch or heavy plastic to discourage growth when the ground warms up in spring.
4. Move pots of mums to a sheltered spot when their flowers are gone. Water well and cover well with a thick layer of straw to overwinter them.
1. Geraniums (or pelargoniums) are South African in origin, and there they have a three-month dormant period. They need to be kept well-watered before going into dormancy.
2. If you have a cool place in your house (around 50 degrees), you can overwinter them by keeping them in their pots and giving them very little water.
Come spring, bring them into a warm place and water them heavily. When they start to bud, repot them and prune heavily.
3. Geraniums do best in plastic or glazed pots with good drainage in the bottom. You can overwinter them as house plants without letting them go dormant, but they will be deprived of the rest they favor.
Putting Roses To Bed In The Fall: