Napa Master Gardener Column

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Healthy Roses

Keep Your Roses Healthy

January 17, 2026
By David Shubin ISA Certified Arborist and UC Master Gardener of Napa County.As a garden consultant, I get a lot of calls at this time of year to advise on pruning fruit trees and roses.  When I’m asked to look at struggling roses, the symptoms are often familiar: lower leaves yellowing and dropping;…
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Honey mushrooms

A Tale of Two Fungi

January 9, 2026
By Cindy Watter, UC Master Gardener of Napa County.Last year I was fired up with the urge to clean out my junk shed and turn it into my tool shed. I marched to the southwest corner of my yard and promptly fell, thigh deep, into a hole that opened beneath me. It didn’t take me long to realize what had…
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A Keyhole Garden

Keyhole Gardening

January 3, 2026
By Penny Pawl, UC Master Gardener of Napa County . Have you ever heard of African keyhole gardening? The practice started in the 1990s in Lesotho, a small country surrounded by South Africa. With a keyhole garden, you can grow a lot of produce in a small space. They’re called keyhole gardens because the…
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Sunny garden

How to Succeed at Garden Design

December 29, 2025
By Aileen Carroll, UC Master Gardener of Napa County. Planning ahead comes more naturally to some of us than others. I personally am perfectly happy to fly by the seat of my pants, while many of the people around me stiffen the moment plans change without warning.  Fortunately, when it comes to…
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Cuttings in cloner

I Love a Clone

December 19, 2025
By Penny Pawl, UC Master Gardener of Napa County.  My fellow Master Gardener Gayle Nelson is having a love affair with her new cloner.  A tray of 20 gardenia cuttings produced roots in 4 weeks.  A cloner is a machine that uses hydroponic methods to encourage cuttings to produce roots. …
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