Plant Health

Event

Central Sierra: Pruning All Plants 101 (EDC MG)

Sep 27 2025

Pruning plants is like getting your haircut. First you need to visualize what you'd like the plant to look like long term. Just like a barber, you need to have the right tools. Then there are some dos and don'ts, proper times of the year, and some basic principles that will turn any gardener into a…
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Event

Central Sierra: Back to Basics (EDC MG)

Apr 19 2025

Are you brand new to gardening, but have a burning desire to learn proper practices? Have you had some gardening experience, but not much success achieving healthy plants? Plan to attend MG Sheri Burke's free public education class on "Back to Basics.
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Event

Central Sierra: Container Magic (EDC MG)

Mar 29 2025

Dive into the world of container gardening with Master Gardeners. Learn everything you need to know to create a thriving container garden in any space – from choosing the right container, to plant selection and planting techniques, and the how to-s of container plant care.
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Tomato leaves with signs of Tobacco Mosaic Virus. Jack Kelly Clark, UC IPM Program
Article

A Virus in the Garden

June 24, 2025
Most gardeners are aware of plant diseases that can wreak havoc in their gardens. If you grow fruit trees, you may be confronted with curled, reddened peach leaves (peach leaf curl fungus). If you grow apples or pears, your trees may sometimes look like they were scorched with a blow torch (fire blight…
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Flooded shoes
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Extreme Conditions

Gardening extremes occur when unexpected weather conditions challenge plant growth and survival. Frost, heat, floods, wind, and drought are all environmental changes that can result in plant injury. Plant damage can be sudden and severe or it may occur over time.
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Frost

Frost injures plants by causing ice crystals to form in plant cells. This makes water unavailable to plant tissues and disrupts the movement of fluids. Frost-damaged leaves appear water-soaked, shrivel, and turn dark brown or black.
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Heat

Wilted, drooping leaves are signs of heat stress in plants. Photo credit: Pikist.com Plants are sensitive to both air and soil surface temperatures. Temperatures ranging from 60 to 85F are optimum for plant growth and development.
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Flooded feet
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Flood

Richard Bell, Unsplash Most landscape plants will survive a few days of flooding. Photo credit: Iowa State University Plant roots need air too. Good garden soil contains a network of pore spaces filled with water and air. Both are necessary for healthy roots and beneficial soil-dwelling organisms.
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