Posts Tagged ‘ Pests & Weeds ’

Late blight can occur even in dry weather, plus three more articles from Master Gardeners

August 22, 2016
tomato late blight

Is tomato late blight and potato late blight possible in a dry year? Unfortunately, yes. Late blight is the fungus-like disease that has caused devastating losses to tomato and potato gardeners and growers in some recent years. It develops and spreads rapidly in a wet year. But high relative humidity is all late blight...
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Oak tree suddenly lose leaves in August? Tell DEC

August 15, 2016
oak wilt

If you see an oak tree suddenly lose leaves during August, report it to the New York State’s Department of Environmental Conservation (DEC). The tree could have oak wilt, a very serious tree disease in the eastern United States, killing thousands of oaks each year in forests, woodlots and home landscapes. Report suspected cases...
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Is it a weed or a plant? Common mullein & more

August 2, 2016
mullein flower in Batavia NY

by Connie Oswald Stofko John Jankowski of Batavia sent me a photo that he wanted me to identify, then asked, “Is it a weed or a plant?” Now, usually I’m no help when people want a plant identified. I’m not a gardening expert, so I almost always have to tell people to contact the...
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Look for this invasive insect in your pool

August 2, 2016
Asian Longhorned Beetle from New York State Department Environmental Conservation by Jessica Cancelliere

It’s again time for pool owners to check their filters and skimmers for the Asian longhorned beetle. If you find one, please report it during the annual Citizen Pool Survey being held through Aug. 30 by the New York State Department of Environmental Conservation (DEC). If you don’t have a pool, you can still...
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How are gardeners dealing with red lily leaf beetle?

July 19, 2016
red lily leaf beetle

by Connie Oswald Stofko Here’s a question from a reader: “My Asiatic lilies were attacked by the lily beetles last year. “This year they (the red lily leaf beetles) are back in my garden. I literally pulled about 6-8 of my lilies and just tossed them out because they were so bad and distressing...
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Onions, garlic may have a new pest; get other info from Master Gardeners, too

July 5, 2016
Adult allium leafminers

by Connie Oswald Stofko A pest identified in December in Lancaster County, PA may be headed our way. Called the allium leafminer, it likes leeks, onions, garlic, chives, shallots and green onions. It is not known how the allium leafminer may affect ornamental species. You can read more about its habits, how it damages...
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Choose plants that appeal to pollinators, plus more great tips for June

June 14, 2016
Photo by Connie Oswald Stofko

When adding new plants to your garden, choose those that support bees, butterflies, hummingbirds and other pollinating insects. They love fall asters. That’s one of the tips for June contained in WNY Gardening Matters, published monthly by the Master Gardeners of Cornell Cooperative Extension in Erie County. Another tip: Apple trees usually set more...
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You can plant impatiens in your shady garden if you want to play the odds

May 17, 2016
healthy impatiens in Lancaster NYJune 2013 closeup

by Connie Oswald Stofko If you want to plant impatiens this year, you can take steps to decrease your chances of having your flowers killed by the blight called downy mildew, said Margery Daughtrey, senior extension associate with the Section of Plant Pathology and Plant-Microbe Biology at Cornell University. One thing you can do...
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Coneflowers with aster yellows disease: Keep healthy plants, but pull diseased ones

May 10, 2016
aster yellows on coneflower

by Connie Oswald Stofko Here’s a question from a reader: Hi Connie, Last summer we were warned about aster yellows destroying coneflowers. My coneflowers were all infected but I didn’t remove the plants from my garden. Now I’m watching them sprout and I’m wondering if I should be worried. Should I take them out...
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Now is time to look for red lily leaf beetle in WNY; watch for brown marmorated stink bug

May 3, 2016
red lily leaf beetle

by Connie Oswald Stofko Last year we told you about two invasive insects that could cause problems in your garden: the red lily leaf beetle and the brown marmorated stink bug. The red lily leaf beetle is the one that causes the most concern right now. It eats lilies and did extensive damage in...
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