Fruits

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…

When to plant: January–March (bareroot) Harvest window: October–November, depending on variety Fertilization: Regular nitrogen feeding during first half of growing season Provide sturdy trellis or arbor for the wide-spreading (up to 30 feet) deciduous vine.

Current quarantine: Asian citrus psyllid (ACP) County-wide quarantine on citrus fruits, leaves, and trees; also Indian curry leaf and other hosts The Asian citrus psyllid (ACP) has been detected in Santa Clara County as well as other parts of California.

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.

When to plant: January–March Harvest window: June–September, depending on variety Fertilization: Nitrogen in spring and fall, additional applications based on tree age, health, and soil quality Dormant Spray (December–February): depending on disease pressure, consider dormant sprays to control for aphids,…

When to plant: Citrus can be planted almost any time of year. The best time is after the last frost in spring (mid-March) Harvest window: Year-round, depending on variety Fertilization: Nitrogen in January, again in May/June timeframe. Monitor for zinc, iron, and other micronutrient deficiencies and…

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.

Olive production in central Sierra.

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 winter ornamental value.

In February 1997, a group of Master Gardener volunteers established a variety trial to evaluate 15 varieties of blueberries in a replicated trial. This was conducted at the Bay Area Research and Extension Center of the University of California located in the City of Santa Clara near Valley Fair Shopping…