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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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Blue-purple salvia
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March plant of the month: Rosette- and clump-forming salvias

March 13, 2025
By Susan Rosenthal Having covered the first two major salvia groups, the small leaf (woody stemmed) and deciduous perennial salvias, this month's plants of the month are in the third and final group - the rosette- and clump-forming salvias.Rosette-forming species include S. argenta, S lyrata, S…
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California poppies
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This week in the garden: March 14 - 20

March 13, 2025
Prepared by Terry Lewis Check out the nursery, online websites and garden books for new plant varieties that use less water. In a drought year, consider native plants suitable for our area.TasksRemove thatch and aerate warm-season lawns (Bermuda, zoysia, St. Augustine) to allow better water penetration…
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Red hibiscus flower
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Help prevent a pink hibiscus mealybug infestation in Fresno County

March 13, 2025
By Jeannette Warnert While tending your landscape and garden this spring, keep an eye out for pink hibiscus mealybug (PHM), an invasive insect that has already been found in parts of Southern California. PHM could make its way to the Central Valley and cause significant damage to crops, landscape plants…
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Aedes aegypti mosquitos, originally from Africa, are a nuisance in Fresno County. (Photo: Jodi Holeman, Consolidated Mosquito Abatement District.)
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Drain after rain to prevent mosquitos

February 21, 2025
Recent rainfall in Fresno County has created puddles and stagnant water. With the temperature warming up, this combination offers the perfect situation for mosquitoes to breed. The UC Integrated Pest Management program encourages residents "drain after the rain" to prevent mosquito-breeding sites.
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