CLICK HERE TO TURN ON NOTIFICATIONS. Older leaves are less likely to be affected, but can become infected under conducive conditions for the disease. Purely Purple is smothered in vibrant purple flowers. Molly K. Weden is a Contra Costa Master Gardener. Think crepe myrtle. The UC Cooperative Extension Master Gardener Help Desk is staffed 9 a.m. to noon Monday-Thursday, 925-646-6586, firstname.lastname@example.org. Brentwood 2-year-old boy dies of fentanyl overdose, mother charged with murder, Decision time on Trump, Biden: Big turnout, few hiccups, Kapor Center polling station puts out West Oakland welcome. Natural fungicides such as Neem oil extract and Potassium bicarbonate has been shown to be effective when used correctly. With so many new colours in the range you really are spoilt with choice so why not choose a favourite or the whole series of Diamonds in the Dark Crepe Myrtle – they really will be a shining gem in your garden. Click for a hub of Extension resources related to the current COVID-19 situation. Potassium bicarbonate is available to licensed applicators only. Powdery mildew spores can germinate and infect crape myrtle in the absence on free water on the plant tissue, as long as there is adequate humidity in the air. Master Gardener: Powdery mildew on crape myrtles, Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to email this to a friend (Opens in new window), 2020 Latest: Democrat Joe Biden wins Virginia. The best practice is to choose a resistant variety of crape myrtle and plant it in the sun. (03) 5629 2443 Warm days and cool nights (60° – 80°F) reportedly favor development and spread of powdery mildew. Severely infection may also cause premature defoliation. Post was not sent - check your email addresses! It’s truly one of those trees that look good at any time of the year.
The University of California has additional information on managing powdery mildew on ornamentals and general care and pest management for crape myrtles at www.ipm.ucdavis.edu.
But starting now, a thorough dowsing with a horticultural or plant based oil spray will help reduce a light to moderate case of this fungal disease. With so many new colours in the range you really are spoilt with choice so why not choose a favourite or the whole series of Diamonds in the Dark Crepe Myrtle – they really will be a shining gem in your garden. References to commercial products or trade names are made with the understanding that no discrimination is intended and no endorsement by Texas AgriLife Extension Service personnel is implied. These products are usually a beneficial bacterium that can destroy fungal pathogens.
The flowers come in a variety of colors including pink, red, purple, and white.
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