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UC Master Gardeners • Napa County: Page

Choose a Sunny Spot -- Site Selection

Site selection Plant your garden in a convenient location, where you can check it frequently. Choose an area near an abundant supply of water so you can water as needed easily. Vegetables do best if they receive full sunlight (at least 4 to 6 hours a day).
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UC Master Gardeners • Napa County: Page

Soil Improvement and Preparation

Soil improvement Any type of soil can be improved with soil amendments. Heavy clay or sandy soils can be improved by adding organic material such as compost, manure, or leaf mold. Texture is an important consideration when choosing an amendment.
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UC Master Gardeners • Napa County: Page

Time to Plant

From the UC IPM section on when to plant tomatoesNapa County home gardeners, please heed this guide, and avoid a little heartache! In our North Coast area, defined by UC as north of Monterey County, sow seeds and start transplants INDOORS in March and April.
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UC Master Gardeners • Napa County: Page

Planting and Supports

Planting Tomatoes can be seeded directly or transplanted into the garden. They are best planted on raised beds made by adding large amounts of sifted compost or other soil amendments so that a bed is established above the previous level of soil.
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UC Master Gardeners • Napa County: Page

Watering and Fertilizing

Watering tomatoes Examine your soil visually and with your hands to determine the need for additional water. Water deeply by drip, furrow, or sprinkler irrigation to encourage deep rooting. However, avoid wetting the foliage or fruit with overhead watering.
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UC Master Gardeners • Napa County: Page

Tomato Pruning

Pruning is not always necessary. However, when pruning your tomatoes, remember these main points: sun protection, yield, disease implications. Plants with two or more stems produce more tomatoes with better foliage protection from the sun than plants with one stem.
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UC Master Gardeners • Napa County: Page

Pests and Disorders

Frequently tomatoes (and other vegetables) show symptoms similar to those caused by diseases or other pests. However, they may be caused by growing conditions rather than pest organisms. Lets mention a few environmental disorders, and realize three facts.
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UC Master Gardeners • Napa County: Page

Harvesting and Storage

Don't leave ripe fruit on the vines longer than necessary. This may increase exposure to rain, which may lead to cracking. Harvesting before it rains also helps avoid fruit molds such as gray mold. Generally, it is best to harvest red ripe fruit and store it at room temperature.
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