When to Plant Cabbage in Daly City, CA
Published: April 24, 2026
Cabbage Planting Dates for Daly City, CA
| Start seeds indoors | Year-round (avoid peak summer heat) |
| Last frost (average) | Frost-free |
| Transplant outdoors | Year-round (October–March is primary window) |
| Minimum soil temperature | 45°F |
| Expect first harvest | 45–120 days after planting |
| Fall crop planting | October |
| Fall crop harvest | January–March |
| First fall frost (average) | Frost-free |
⚠ Start cabbage indoors 6–8 weeks before last frost. Transplant 2–4 weeks before last frost. Very frost tolerant — withstands temperatures as low as 20°F. Also plant in late summer for fall harvest.
Best Cabbage Varieties for Daly City, CA
Consult a Daly City-area nursery or your state extension office for cabbage varieties proven in Zone 10b.
Growing Cabbage in Daly City
Daly City sits in Zone 10b, with an average last frost of Frost-free and first fall frost around Frost-free — giving a 365-day frost-free growing season. Cool-season crops like cabbage benefit from Daly City's cooler spring and fall windows, when temperatures stay in the 55–75°F sweet spot that produces the best flavor and least bolting.
Daly City's tropical climate gives cabbage year-round potential, but dry season (roughly October through April) is the primary productive window. Wet season rains drive fungal disease fast enough to destroy an unprotected crop within a few weeks. Plan main plantings for dry season and keep beds well-drained.
Daly City's mixed soil conditions vary block by block — get a soil test if you have not in three years. Generally, a base of quality compost (2 to 3 inches annually) and consistent watering at 1.5 inches per week serves cabbage well across most soil types found in Daly City.
Cabbage Calendar for Daly City
| Month | Task |
|---|---|
| Year | Start seeds indoors under grow lights |
| Frost | Last frost — harden off seedlings outdoors |
| Year | Transplant outdoors into warm soil |
| October | Start fall crop — transplants or direct sow |
| Frost | First fall frost — harvest remaining, end of outdoor season |
Cabbage Tips for Daly City Gardeners
- •Space plants 18 inches apart — crowding reduces head size and promotes fungal disease.
- •Side-dress with nitrogen 3–4 weeks after transplanting to support rapid leaf formation.
- •In Daly City's tropical climate, focus on dry-season plantings (October–April) and use raised beds with excellent drainage for wet-season success.
Common Cabbage Pests in Daly City
- •Cabbage Worm — peaks June–August in Zone 10b (active March–October); green caterpillars on brassicas; apply Bt spray or use row covers.
- •Cabbage Looper — peaks June–August in Zone 10b (active March–October); loop-walking green caterpillars; Bt spray works well.
- •Aphid — peaks June–August in Zone 10b (active March–October); monitor closely during peak season and treat early.
Check plants every 2–3 days during peak season — early intervention prevents most infestations from becoming serious.
What to Plant with Cabbage in Daly City
In Daly City's tropical climate, Onion and Dill are the most beneficial plants to grow alongside cabbage. Onion deters carrot fly, aphids, and several root-zone pests through sulfur compounds. Keep cabbage away from Tomato — it competes for nutrients or shares pest pressure. In humid tropical climates, spacing companions with airflow in mind prevents fungal disease from spreading through dense plantings.
Frequently Asked Questions
When should I plant cabbage in Daly City, CA?
In Daly City (Zone 10b), start cabbage seeds indoors around Year-round (avoid peak summer heat) and transplant outdoors around Year-round (October–March is primary window). The city's average last frost of Frost-free is the anchor date — count 7 weeks back for seed starting and 3 weeks back for transplanting.
What zone is Daly City, CA for cabbage growing?
Daly City is USDA Zone 10b. For cabbage, this means a frost-free growing season of roughly 52 weeks running from Frost-free to Frost-free. Cool-season crops like cabbage thrive in this zone with both spring and fall planting windows available.
When is cabbage harvest season in Daly City?
Expect the first cabbage harvest in Daly City around 45–120 days after planting. This is based on 60–100 days from transplant or direct sow. A fall crop planted October adds a second harvest around January–March.
How long does it take to grow cabbage in Daly City, CA?
From transplant or direct sow to first harvest, cabbage takes 60–100 days in Daly City's climate. Based on a typical planting date of Year-round (October–March is primary window), expect your first harvest around 45–120 days after planting. Daly City's warm Zone 10b climate tends toward the faster end of this range — warmer soil and longer days accelerate maturity.
What soil does cabbage need in Daly City?
Daly City's soil conditions vary block by block. Before planting cabbage, do a soil test (most state extension offices run them for $15–30). The test reveals pH, key nutrient levels, and organic matter content, so you can amend appropriately rather than guessing. Generally, 2–3 inches of compost annually improves most soils for vegetable production.