Temperate Fruits

At Mendocino Grape Day event, Chris Chen engages with local growers

Article

Advisor Chen works for resilient future for viticulture in Northern California

April 14th, 2025

By Matthew Barnes

Christopher Chen, UC Cooperative Extension integrated vineyard systems advisor for Lake, Mendocino and Sonoma counties, works to ensure that the vineyards that produce the region’s world-renowned wines can thrive amid the challenges of climate change, wildfires and water scarcity.

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A prescribed burn at the UC ANR Hopland Research and Extension Center (2024)

Article

UC researchers study smoke risk to vineyards from prescribed grassland fires

March 27th, 2025

By Christopher C Chen

In the winegrape vineyards of northern California, fire and its associated smoke pose a unique threat in the form of smoke-taint damage to the fruit. A preliminary study looks at whether prescribed burning as a fire prevention method poses a risk to winegrape crops.

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Documents

Apple

Scientific NameMalus domesticaGeneral InformationApple trees are deciduous, attractive trees native to central Asia and cultivated worldwide. There are hundreds of cultivars, including many familiar names like 'Fuji' and 'Granny Smith.' Most apples need 500 to 1,000 chill hours in winter, although some…

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Article

Olive growers, enthusiasts invited to UC olive webinar April 4

March 14th, 2025

By Pamela S Kan-Rice

Growers and others interested in growing table olives or olives for making olive oil are invited to a California Statewide Olive Seminar on Friday, April 4. The online seminar, a series of presentations from 8 a.m. to 1 p.m., is sponsored by the University of California Cooperative Extension and UC…

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Up close of cluster of orange-yellow fruit with green leaves

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Stone Fruit Production

General InformationTo ensure successful production of fruits, nuts, grapes, and berries it is essential that proper varieties be selected. The varieties listed on this site are well suited to our particular conditions. It is quite possible that some varieties not listed may perform well in certain…

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Up close of olive branch showing unripe green oval olives on thin brown stems with pale green leaves

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Olive Production

Olive production in central Sierra.

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Close up of purple flowers on green stalks

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Central Sierra | Agriculture | Other Crops

The foothills of the Sierra Nevada have a diversity of growing regions. Throughout the region, farmers have been successful in growing many different types of agricultural commodities.

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Close up of red berries on green stems with thorns

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Berry Production

Raspberry and Blackberry, Fruit & Nuts Research & Information Center, UC Davis Blackberry varieties do best on sunny slopes. They should be planted 4 to 5 feet apart in rows 10 feet apart and canes trained on 4 foot high, 2 wire trellis. Raspberry plantings do best on cool North slopes.

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Peach

Garden Help > Fruits & NutsUC Links How to grow and pest management: Nectarines and PeachesCalendar: Peaches & Nectarines: Calendar of Operations for Home GardenersThe BasicsWhen to plant: January–MarchHarvest window: June–October, depending on varietyFertilization: Nitrogen in spring and…

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Blueberry Varieties

Garden Help > Fruits & Nuts > Blueberries Blueberry varieties testing conducted in Santa Clara County to evaluate the following characteristics of each of the varieties: flavor, productivity, harvest season, landscape value including plant form, foliage characteristics, fall foliage color, and winte...

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