Ask a Question forum: Lilac bush

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Nov 7, 2016 8:04 PM CST
In 2015, a friend bought me a lilac bush which bloomed beautifully. But spring/summer of 2016 it bloomed very sparsely, due possibly to the same frost that cut back so severely on our apple and peach trees, in the Berkshires (NE). This summer and fall I see that the leaves on the lilac bush are whitened and curling. We've experienced a drought of sorts, and I had not watered the bush. What should I do now? Water? Cut it low? Pray? Your advice would be appreciated.
Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
Region: Canadian Keeps Horses Dog Lover Plant Identifier Garden Sages
Nov 8, 2016 4:27 AM CST
Welcome! Lilac often gets a fungus disease called powdery mildew that causes a white coating on the leaves, here are some pictures:

If that's not what it looks like, can you post a picture of the affected leaves for us. If it is powdery mildew then it would be a good idea to rake up and remove the leaves that fall to reduce disease carry-over into next year.
Name: Cindy
Hobart, IN zone 5
aka CindyMzone5
Celebrating Gardening: 2015 Plant Identifier
Nov 8, 2016 8:44 AM CST
judy - if you're still in a drought, you can water your lilac if it doesn't rain. Should get about 1" of water per week up until the ground freezes.
Only when the last tree has died and the last river has been poisoned and the last fish has been caught will we realize that we can't eat money. Cree proverb

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