Yes, November is a great month to make time to prepare your landscape for winter and a successful growing season next year.

Many of us have cool-season grasses like fescue. Cool-season turf plants make good use of nitrogen this time of the year and require one pound of nitrogen per 1,000 square feet of area to be covered. Continue to mow fescue as needed at 2 inches, and don’t forget to water during dry weather conditions.

Controlling broadleaf winter weeds like dandelions also is important for good turf management, as is removing fallen leaves from fescue so it can perform to its potential and avoid damage to the grass foliage.

Tree and shrubs need attention this time of year to prepare for early winter and next years growth. Pruning deciduous trees in early winter is beneficial to prevent potential damage of both structures and trees that have weakened branches or limbs. As we all remember, ice storms of recent winters have left some trees in less than vigorous conditions. If trees have been damaged in the previous year and not recovered to your satisfaction, seriously consider pruning or removing the tree.

I have observed many trees that are showing pretty significant storm damage with obvious splits or breaks in main branches. These injury sites are prime targets for insect pests and often disease. Proactive management now can save disappointment and expense later.

Delay pruning fruit trees until next February or March. Be sure to prune before bud break or just before spring applications of insecticide that would be used to protect against fruit pests like coddling moth.

Harvest pecans and walnuts immediately and often. This should prevent animal loss and deterioration do to weathering.

If you have planted new trees within the past couple of years, it is a good idea to wrap these young, thin-barked trees with a commercial protective material to prevent winter sunscald. Winter sunscald is a condition in which extreme temperature changes from freezing to warm sunny days may cause splits in the bark that may allow insects to enter or feed later. It also potentially could interrupt the flow of nutrients necessary for trees to maintain good health. Continue to plant balled and burlapped trees, but don’t forget to water.

Watch for arborvitae aphids. These aphids can tolerate cooler temperatures in evergreen shrubs and may cause rusty appearance. Remember when applying pesticides, wear appropriate clothing and read and follow the label instructions.

Tulips still can be successfully planted in the middle of November. Bulbs like hyacinth, narcissus and tulip also can be potted in containers for indoor forcing. Leave foliage on asparagus, mums and other perennials to help insulate crowns from potentially harsh winter conditions. Storage of leftover garden seeds may be accomplished by placing in an airtight container in the refrigerator or freezer until the next planting season. You should seriously consider discarding seeds over 3 years old, as the germination may decrease significantly over time.

Gather and shred leaves, or add to compost to use as mulch or to till into garden plots. Don’t forget to clean and store garden and landscape tools.

Coat metal surfaces of equipment with a light application of oil or rust-proof paint to prevent rusting. Drain fuel tanks, irrigation lines and hoses. For a longer life, bring hoses and equipment indoors.

For information about your horticulture concerns contact the Garfield County Extension Center, 316 E. Oxford. The phone number is 237-1228.



Bedwell is Oklahoma Cooperative Extension Service ag educator.

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