Landscape, Greenhouse, and Nursery - Expanded List of Plants Susceptible to Powdery Mildew

Powdery mildew season is here. The following is a list of some common landscape plants that are susceptible to powdery mildew to expand on the previously provided list.

Some ornamental plants susceptible to powdery mildew

• ash
• azalea, rhododendron
• basswood
• beech
• begonia
• Berberis
• birch
• blueberry
• buckeye
• catalpa
• Chinese photinia
• chrysanthemum
• cotoneaster
• crape myrtle
• dahlia Reiger
• delphinium
• elm
• eucalyptus
• euonymus
• flowering dogwood
• gardenia
• hawthorn
• holly
• honeysuckle
• horse chestnut
• hydrangea snowball
• kalanchoe
• Kalmia
• leucothoe
• ligustrum
• lilac
• Lonicera
• magnolia
• maple
• monarda
• oak
• pear
• peony
• phlox
• poplar
• privet
• Prunus (peach, plum, cherry, apricot)
• pyracantha
• roses
• serviceberry
• smoke-tree
• snapdragon
• spirea
• sycamore
• tulip tree
• Vaccinium
• viburnum
• walnut
• willow
• wintercreeper
• wisteria
• zinnia

Information from Ann B. Gould, Ph.D., Specialist in Plant Pathology in the July 12, 2007 edition of the Plant and Pest Advisory; Landscape, Nursery and Turf Edition; from Rutgers University.