View seasonal checklists from our main website. From the header bar, select "Resources" then select the season of your interest from the dropdown list. For the current season, read more.

Conserve water by watering selectively, timing your watering, taking careful aim, trapping water, irrigating efficiently, selecting pots carefully, adding organic matter, mulching regularly, collecting rainwater, and removing weeds. Read more and view video.

Leafminers attack many different vegetable and flower hosts, including cole crops, cucurbits, tomatoes, peas, beans, aster, begonia, dahlia, impatiens, lily, marigold, petunia, and verbena. Adult female leafminers puncture leaves and sometimes petals to feed on exuding sap. These punctures eventually turn white, giving foliage a stippled or speckled appearance. Read more.

Examine your soil visually and with your hands to determine the need for additional water. Water deeply by drip or furrow irrigation to encourage deep rooting. However, avoid wetting the foliage or fruit with overhead watering. If you allow water to seep through to the top few inches of your soil only, root growth will be stunted and, in some crops, may cause blossom drop. Keep adequate moisture in the deeper soil layers even when plants are small. Deep moisture is harder to replace later in the growing season without over irrigating. Proper irrigation will keep your plants vigorous and help protect them from thrips damage and sunburn. Read more.

San Mateo Arboretum Society Plant Clinic

Join the UC Master Gardeners of San Mateo/San Francisco Counties for a free educational walking tour of the 25 round plant containers along Laurel Street in San Carlos. Learn how we selected the wide variety of beautiful plants, and how to plant and care for them. The tour begins in front of the Wells Fargo Bank building on Laurel Street at 10:00am and will last approximately two hours. Each tour is limited to eight people. Masks optional. We suggest a hat, comfortable shoes, and water. View calendar to register.

Whether you're gardening in-ground or in containers, learn topdressing and biological inoculation, feeding your soil while feeding your plants, protocols for the organic garden, and more. Registration required.

It’s time to plant your fall vegetables! In this introductory class, you’ll learn how to select seeds and seedlings that are most suited to your climate and conditions. Then you’ll learn how to plant seeds and seedlings and how to nurture them to yield the most bountiful fall and winter harvests. As a bonus, you’ll also gain valuable tips on crop rotation, cover cropping and non-toxic pest control. View calendar to register.

UC Master Gardeners

2600 Middle Field Road

Redwood City, CA 94063

Master Gardeners oversee a demonstration garden that is part of the Fair Oaks Adult Activity Center in Redwood City, a facility where adults can engage in wellness and social activities. The large garden features raised vegetable beds and containers, and a composting area. Read more.

Gathering surplus food from neighborhood gardens, various farmer’s markets, community gardens, public and private fruit trees, and hosting a space where this bounty can be shared with all is an effort being accomplished by many organizations. If your fruit tree or vegetable garden has an over abundance, please think about sharing with others in need. Read more.