How to Use powdery mildew in a Sentence

powdery mildew

noun
  • Can powdery mildew spread to other plants?
    Kim Toscano, Southern Living, 31 Dec. 2025
  • Can powdery mildew spread to other plants?
    Kim Toscano, Southern Living, 25 May 2026
  • There are more than 11,000 species of powdery mildew!
    Arricca Elin Sansone, Southern Living, 31 May 2026
  • A little shade can reduce the amount of blooms and increase the risk of powdery mildew.
    Karen Brewer Grossman, Southern Living, 29 Apr. 2026
  • Watch for powdery mildew, which appears as a white, powdery substance.
    Kelly Manning, Martha Stewart, 23 June 2026
  • Water at the base of the plant rather than over the top to avoid getting the leaves wet, which can lead to powdery mildew.
    Karen Brewer Grossman, Southern Living, 30 Apr. 2026
  • Pathogens including powdery mildew, gray mold, root rot, and stem rots/cankers can be a problem from time to time.
    Kim Toscano, Southern Living, 3 Oct. 2025
  • This includes powdery mildew, white and gray molds like botrytis, slime mold, and black spot, Bradley says.
    Michelle Mastro, The Spruce, 23 May 2026
  • The treatment is to apply a fungicide labeled for powdery mildew.
    Arricca Elin Sansone, Southern Living, 31 May 2026
  • Doing so will also help prevent powdery mildew from emerging.
    Helena Madden, Martha Stewart, 1 June 2026
  • Possible diseases include powdery mildew, blight, crown rot, leaf gall, root rot, leaf spot, and rust.
    Mary Marlowe Leverette, The Spruce, 12 Mar. 2026
  • The plants are susceptible to Botrytis mold and powdery mildew as well as crown and root rot.
    Brandee Gruener, Southern Living, 3 June 2026
  • Fungicide applications can cure powdery mildew, leaf spot, and wilt.
    Mary Marlowe Leverette, Southern Living, 13 Apr. 2026
  • Even some turf grasses are susceptible to powdery mildew.
    Kim Toscano, Southern Living, 31 Dec. 2025
  • Even some turf grasses are susceptible to powdery mildew.
    Kim Toscano, Southern Living, 25 May 2026
  • To avoid powdery mildew, water the plants at the soil line with your hose or a drip line system and keep their leaves as dry as possible.
    Lauren Landers, Better Homes & Gardens, 4 May 2026
  • Plants are susceptible to powdery mildew.
    Kim Toscano, Southern Living, 3 May 2026
  • Watering from above also wets the foliage, which can lead to fungal diseases or powdery mildew on a mum's leaves.
    Brandee Gruener, Southern Living, 21 Sep. 2025
  • Scott notes that using a diluted milk solution can be an effective and safe way to treat powdery mildew.
    Sj McShane, Martha Stewart, 31 May 2026
  • Peach leaf curl, brown rot, powdery mildew, peach scab, and other diseases also commonly afflict the tree.
    Sj McShane, Martha Stewart, 10 Mar. 2026
  • While viruses like rose rosette and rose mosaic are not treatable, fungal diseases like powdery mildew, black spot, and rust are.
    Karen Brewer Grossman, Southern Living, 7 Aug. 2025
  • Prevent powdery mildew by improving light and airflow, and watering the soil—not leaves.
    Rachel Gillett, Martha Stewart, 10 Feb. 2026
  • Water that sits can encourage fungal diseases, like powdery mildew.
    Madeline Buiano, Martha Stewart, 2 June 2026
  • If your plant has powdery mildew, leaf spot, or gray mold, pick off the worst of the leaves and then spray the mum with a fungicide labeled for the condition.
    Brandee Gruener, Southern Living, 21 Sep. 2025
  • Both organic and inorganic fungicides can be used to treat powdery mildew.
    Kim Toscano, Southern Living, 25 May 2026
  • Both organic and inorganic fungicides can be used to treat powdery mildew.
    Kim Toscano, Southern Living, 31 Dec. 2025
  • Plant diseases, like powdery mildew, spread more readily during summer.
    Lauren Landers, Better Homes & Gardens, 17 June 2026
  • Make sure to provide good air circulation around plants in very humid climates to prevent powdery mildew.
    Arricca Elin Sansone, Southern Living, 12 May 2026
  • The most common plant diseases, like powdery mildew or botrytis, a fungal rot, appear on peony foliage and stems.
    Mary Marlowe Leverette, Southern Living, 7 Apr. 2026
  • If well cared for, 'Knock Out' roses are disease-resistant to black spot, powdery mildew, and pests.
    Steve Bender, Southern Living, 27 May 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'powdery mildew.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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