What to plant this week in Oakland, CA
Oakland gardeners are in peak harvest mode this week as the Bay Area's mild 10a climate keeps temperatures hovering safely above freezing. With frost dates effectively in the rearview mirror until mid-January, focus your energy on pulling mature crops like zucchini, squash, and beans before they drop.
The next 7 days
Oakland, CAGrowing in Oakland right now
- Soil tends to be heavy clay in many Oakland neighborhoods; add generous amounts of compost now to improve drainage for root vegetables and beans.
- The Bay Area's fog often burns off by mid-morning, but afternoons can stay cool; ensure warm-weather crops like cucumbers and melons get at least 6 hours of direct sun if clouds linger.
- Heavy afternoon rains are possible later in the season, so check drainage around low-lying areas where waterlogging could rot squash roots.
- Water deeply once a week rather than frequent shallow watering to encourage deep root growth for your pole beans and corn.
Sow this week
27 crops- Basil
- Borage
- Bush Bean
- Cantaloupe
- Cleome (Spider Flower)
- Cosmos
- Cowpea (Black-Eyed Pea)
- Cucumber
- Edamame
- Fennel
- French Marigold
- Garden Verbena
- Lima Bean
- Malabar Spinach
- Nasturtium
- Okra
- Pole Bean
- Scarlet Runner Bean
- Shiso (Japanese Basil)
- Summer Savory
- Sweet Corn
- Thai Basil
- Vinca (Madagascar Periwinkle)
- Watermelon
- Yellow Summer Squash
- Zinnia
- Zucchini
Transplant this week
Nothing is due to go out this week.
Harvest soon
35 crops- Basil
- Borage
- Bush Bean
- Cantaloupe
- Cleome (Spider Flower)
- Cosmos
- Cowpea (Black-Eyed Pea)
- Cucumber
- Edamame
- Fennel
- Flour Corn
- French Marigold
- Garden Verbena
- Gourd (Ornamental/Bottle)
- Honeydew Melon
- Lima Bean
- Loofah (Luffa)
- Malabar Spinach
- Nasturtium
- Okra
- Pole Bean
- Pumpkin
- Roselle (Cranberry Hibiscus)
- Scarlet Runner Bean
- Shiso (Japanese Basil)
- Summer Savory
- Sunflower
- Sweet Corn
- Thai Basil
- Vinca (Madagascar Periwinkle)
- Watermelon
- Winter Squash
- Yellow Summer Squash
- Zinnia
- Zucchini
Seasonal tips
- Succession sow fast-growing bush beans every two weeks to ensure a steady harvest through the heat.
- Pinch back the tops of basil plants regularly to encourage bushier growth before they flower.
- Apply a light layer of compost around established squash and melons to conserve moisture in the dry air.
Pest & disease watch
- Aphids frequently colonize the undersides of zucchini and bean leaves during this warm stretch; spray with insecticidal soap or strong water jets.
- Spider mites can thrive on hot, dry days between fog layers, particularly on fennel and cosmos plants.
- Slugs love the coastal humidity and will target young transplants if any were started indoors earlier; hand-pick them early in the morning.
Watering this week
Water deeply in the early morning to reduce evaporation and keep foliage dry throughout the day.
If your sweet corn is tasseling now, plant another row immediately for a second harvest later this summer.
Oakland gardening questions
3Can I still plant cool-season crops like cilantro or lettuce now?
While technically possible, Oakland's current heat is already pushing past the ideal window for most cool-season greens. If you must sow, do so immediately and provide afternoon shade cloth to prevent bolting before harvest.
My zucchini plants are producing a lot of flowers but no fruit; what's wrong?
This often happens when pollinators like bees struggle during foggy or unusually cool mornings. Hand-pollinate by gently brushing pollen from male to female flowers, and ensure your plants aren't waterlogged in the clay soil.
When should I start saving seeds from my heirloom beans?
Wait until the pods turn yellow-brown and dry on the vine, usually a few weeks after harvest begins. Cut the whole pod off rather than picking individual beans to ensure full maturity for seed storage.
Other cities in zone 10a
6See the full zone 10a guide → · Plan your Oakland garden in SproutGuide →