Fruits

Current Quarantines: A Mediterranean Fruit Fly quarantine is in effect for large parts of San Jose, as well as sections of Campbell, Los Gatos, Santa Clara, and Milpitas. Asian citrus psyllid (ACP) County-wide quarantine on citrus fruits, leaves, and trees; also Indian curry leaf and other hosts The Asian…

When to plant: January–March Harvest window: August–October, depending on variety Fertilization: Nitrogen in spring and fall, additional applications based on tree age, health, and soil quality Dormant sprays as needed to control scale, aphids, mites, and overwintering psylla.

When to plant: February–March Harvest window: July–October, depending on variety Fertilization: Light (if any) nitrogen in the spring; monitor for possible zinc and potassium needs Prune in dormant season, using the pruning system (cane or spur pruning) based on grape variety.

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…

The University of California has an extensive Integrated Pest Management (IPM) website with a comprehensive section for grapes, including a year-round IPM program and guidelines. The UC IPM guidelines are an excellent source of information on managing pests.

Integrated Pest Management (IPM) UC IPM website What is IPM? An ecosystem-based process for solving pest problems while minimizing risks to people and the environment. What is a pest? An unwanted organism that damages or interferes with desirable plants.

Weed control in vineyards enhances the establishment of newly planted vines and improves the growth and yield of established vines.

When to plant: January–March Harvest window: July–October, depending on variety Fertilization: Nitrogen in spring, additional applications based on tree age, health, and soil quality Dormant Pruning (January–February) to encourage vigor; Summer pruning (post-harvest) to control vigor

All things apple and pear production in the foothills.

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.