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Lawn & Garden Tips for December in Oklahoma

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Lawn & Garden Tips for December in Oklahoma

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Continue mowing cool-season lawns on a regular basis.

Continue to control broadleaf weeds in well-established warm or cool-season lawns with a post-emergent broadleaf weed killer.

Tree and Shrub

Continue controlling over wintering insects on deciduous trees or shrubs with dormant oil sprays applied when the tem-peratures is above 40 degrees in late fall or winter.

Do not use dormant oils on evergreens.

General

Keep all plants watered during dry conditions even though some may be dormant.

Especially and narrow leaf evergreens and plants under eves or in raised beds and planters.