September Tips & Tasks

white, powdery mildew on lilac leaves
  • Powdery mildew may be seen now on many trees, shrubs, and perennials, like pin oak, roses, lilac, phlox, peonies, and monarda. This fungal disease favors high humidity but unlike other fungi does not require wet weather to thrive. It usually appears on plant foliage as a grayish, powdery coating on upper leaf surfaces. When possible select resistant cultivars. No chemical control is necessary.
  • Poison ivy leaves will begin to turn red this month. Don’t be fooled by their fall color change, the leaves are still very irritating. Do not handle or shred the leaves and do not burn the vines.
  • Have a difficult area in your yard to grow a lawn? Refer to The Challenge of Growing a Lawn in Maryland and Lawn Alternatives.
  • Before moving houseplants back indoors check plants for antsearwigspillbugs, and other nuisance insects.  Wash off insect pests or apply a labeled houseplant insecticide to control any plant pests such as aphids, scales, spider mites, and mealybugs.
Pillbugs

Pillbugs

More Tips and Tasks for September

2 Comments on “September Tips & Tasks

  1. Thank you for sharing these tips. I found these very to the point and will help a lot in maintianing the garden.
    Keep sharing such work.

    Like

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