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Fresno Gardening Green

News and information about sustainable gardening in Fresno County written by UC Master Gardener volunteers. For more information, visit the UC Master Gardeners of Fresno County website.

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Roses with raindrops
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Rosie's corner: Watch for spider mites in May

May 1, 2025
My roses were glorious this past month. I hope yours were the same. I again seem to see fewer of the dreaded Hoplia beetles on them. Instead, this year, they decided to go after the pink flowers on my cacti! They certainly love the color pink. We should only have to put up with them for another month until…
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Hot sun
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Scientists coin a new term to describe extreme weather

May 1, 2025
We have a new term to add to our lexicon of extreme weather phenomena: thirstwave. In a report published last month (April 2025) in “Earth’s Future,” researchers Mike Hobbins and Meetpal Kukal introduced the term thirstwave to describe an extended period of intense evaporative demand or atmospheric…
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Edible flowers
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This week in the garden: April 18 - May 8

April 25, 2025
 Whether the pest you face is plant or animal, remember safety first. Read labels thoroughly before opening containers that hold garden chemicals.TasksCheck drip and sprinkler systems – clean filters, check emitters, fix leaks, and re‐set timers.Watch for Western grapeleaf skeletonizer. Use Bacillus…
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Oxalis
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Spring is in the air, and oxalis is everywhere

April 21, 2025
By Lindsey Hack
 Bermuda buttercup (Oxalis pes-caprae), also called buttercup oxalis or sourgrass, might be a familiar sight in winter and spring. Some people enjoy seeing this plant’s cheerful yellow flowers pop up in their spring gardens, but for some, it is more of a nuisance than its appearance suggests. …
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Meadow flowers
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Madera high school students enjoy a new native plant habitat on campus

April 16, 2025
 Before Katie Howden graduated from Madera South High School in 2008, she noticed an unsightly piece of vacant land between two portable classrooms on campus. The one-third acre gravel pit with a smattering of utility infrastructure was choked with puncturevine and tumbleweed or, during the rainy season…
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