For heavy pruning (branches over 1 inch in diameter), most trees are best pruned in late winter or early spring before the sap starts to flow. The major exception is oaks, which should be pruned in late summer or while dormant. This is a preventative measure aimed at stopping the spread of oak wilt disease. Oak wilt is spread by insects that are attracted to the sap of wounds. Make sure all cuts are clean and done by the proper method, using sharp tools. With the exception of stone fruits, it is not necessary to cover the pruning wounds.
Long-time local garden writer remembered
Garden writer Marty Figley passed away on November 25, 2009. Marty was a freelance writer and gardening was a subject near and dear to her heart. She began as a garden writer for The Observer and Eccentric newspapers in 1987 and joined the Garden Writers Association that same year. Marty was a member of the Herb Society of America, an Honorary Life Member of the Cranbrook House and Garden Auxiliary, and an Advanced Master Gardener in Oakland County. See the Detroit News obituary for more information.
How late is it safe to plant?
I hear that fall is a good time for planting perennials, but if I remember correctly, planting should cease around early to mid-October. However, it seems like I see landscapers planting into November or even December; what do they do differently so they can extend their planting season?
When to stop planting perennials often depends on how warm the fall is. Usually mid to late October is the latest you would plant. If it is unusually warm into early November, then go for it!
There are four things to remember when planting in the fall. The planting hole must be prepared properly before putting in the plant. When planting, you should always use a rooting stimulant instead of fertilizers. This is especially true in the fall since you want the roots to take hold before the cold hits. Apply 1 to 2 inches of mulch on the soil, but leave 2 to 3 inches of space around the base open to alleviate crown rot.
The most important thing to remember is to water up until the first hard freeze. Water at least once a week for the best root development and to alleviate stress to the plant. Even though the top is going dormant, you must remember that the roots are still growing down below! Don’t depend on fall rains to supply proper moisture levels.
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