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Date 10/23/2003 Heavy frosts will be occurring in the latter part of this month or early next month. These will cause a lot more damage to the tender plants than the scattered light frosts we have had so far. As the annual plants die remove them from the garden and add them to the compost pile. The perennials will also be dying back from the freezing temperatures. After their foliage has died to the ground cut them back. Cut them to within a couple of inches from the ground. That way you will know their location for future planting and dividing. Good garden clean-up is important for a healthy garden next spring. Dead and diseased plants should be removed now to prevent spread of disease in future seasons. Weeds should also be pulled out, preferably before their seeds ripen, to prevent a bumper crop next year. Although garden clean-up is important it is not necessary for it to be spotless. Beneficial insects need places to spend the winter. They can survive in clumps of dried dead weeds and perennials. Birds will also appreciate ripened seed heads from many species of perennials. Those in the composite family are particular favorites. Asters, black-eyed susans and coneflowers are all part of this family. Leave some of these plants to stand until spring for the birds. Having dead weeds in the garden isn’t particularly attractive, but a small section or out of sight corner left untidy could be the perfect spot for those ladybugs to over-winter. Keep fallen leaves cleaned up off the lawn. Leaving deep leaf cover on the grass can damage the lawn. Use the leaves to make mulch or compost. Shredded leaves are good mulch around roses, shrubs and perennials. Run the lawn mower over them a couple of times to shred them or put them through a chipper-shreader. A combination of grass clippings and shredded leaves makes good mulch over vegetable beds. In the spring the decomposed mulch can be tilled under as compost. Shredded leaves break down faster in the compost pile adding a good portion of brown material to the mix. It is important to remember to keep new trees and shrubs watered throughout the fall. Even though the weather is no longer hot the soil can get dry after a week or two without rain. These plants need to be prepared for winter. Adequate irrigation is needed to get them through the winter months. Continue watering in absence of rain up until the ground freezes. The ground usually freezes in late December or early January in this area. Tree and shrub planting should be finished at the end of the month. Spring-flowering bulbs can be planted now and up until the ground freezes. But the sooner the better, before they dry out. Some perennials can still be planted, especially the ornamental grasses. Most of them can be planted as late as a month before the ground freezes. Their dried foliage is nice for winter interest in the garden. If you have a Christmas cactus that you would like to have bloom for the holidays, give it a rest now. Keep it in a cool room away from bright light and water sparingly. They begin to set flower buds when the day length goes down to twelve hours. Cool night temperatures (60 degrees or less) help to trigger their bud set. Provided with these conditions the plant can be brought into bloom at almost any time of the year. That is why you sometimes have these plants blooming at times other than Thanksgiving or Christmas. Avoid moving the plant during bud set, it can cause premature bud drop. They are also sensitive to drafts. About a month from now bring the plant out for holiday bloom. Keep it in bright light and water when the soil dries out. The Christmas cactus is a succulent plant that will not take kindly to over-watering. Other holiday plants that need some preparation time in order to bloom for the holidays are paperwhite narcissus and amaryllis. Bulbs for both of these holiday favorites are available in garden centers now. Purchase them now to start them in time for the holidays. They can also be kept dormant and started later for mid-winter bloom. Combined with an attractive container they make excellent gifts for even the novice gardener. Beth Nardone, botanist, is a resident of Hillsborough and is the Nursery Manager at the Belle Mead Co-Op. Questions and comments can be sent to bethtanical@patmedia.net
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