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🥬 Vegetable medium

Growing Cabbage in San Francisco

🇺🇸 Zone 9 Planting Guide · Warm-summer Mediterranean climate

USDA Zone 9 355 frost-free days 70-100 days to harvest

Quick Answer: Growing Cabbage in San Francisco

Yes, you can grow Cabbage in San Francisco, US! Plant during Oct, Nov for best results. San Francisco is in USDA Zone 9 with a Warm-summer Mediterranean climate, offering 355 frost-free days per year. The difficulty level is medium, and Cabbage takes 70-100 days to harvest. Cabbage needs full sun and regular watering.

Climate Match Analysis

Good Match San Francisco + Cabbage

San Francisco's temperatures (8°C to 22°C) are within the tolerable range for Cabbage (-2°C to 26°C), though not always in the optimal zone (10°C to 20°C). Plant during recommended months for best results.

Cabbage tolerates -2°C to 26°C
Optimal: 10°C - 20°C
San Francisco range 8°C to 22°C

San Francisco Climate Data

USDA Zone
9
Frost-Free
355days
Winter Low
8°C
Summer High
22°C
Rainfall
600mm/yr
Climate
Csb
Warm-summer Mediterranean

Cabbage Planting Calendar for San Francisco

Green months show the best time to plant Cabbage in San Francisco

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Cabbage Not recommended

Cabbage Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

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Water

Regular

Consistent moisture, 1-2 inches/week

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Days to Harvest

70-100

From planting to first harvest

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Difficulty

medium

Some experience helpful

💡 Growing Tips for Cabbage

Start indoors 6 weeks before transplanting. Consistent watering prevents split heads. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Cabbage is frost tolerant — you can plant earlier in spring.

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Companion Plants for Cabbage

Find out which plants grow best alongside Cabbage — and which to keep apart

How to Grow Cabbage in San Francisco

San Francisco, US is in USDA Hardiness Zone 9 with a Warm-summer Mediterranean climate (Köppen Csb). With winter lows of 8°C and summer highs of 22°C, the growing season spans approximately 355 frost-free days. Cabbage grows well with some gardening knowledge in this climate.

Cabbage thrives in temperatures between 10°C and 20°C, requiring full sun and regular watering. In San Francisco, the best months to plant Cabbage are October, November. Since Cabbage can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 70-100 days after planting.

With 600mm of annual rainfall, San Francisco provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.

Other Plants That Grow in San Francisco

More plants you can grow alongside Cabbage in San Francisco

Keep Exploring

Frequently Asked Questions

Can I grow cabbage in San Francisco?

Yes! Cabbage can be successfully grown in San Francisco, US. San Francisco is in USDA Hardiness Zone 9 with a Warm-summer Mediterranean climate. The difficulty level for growing Cabbage here is rated "medium". The best months to plant are October, November.

When should I plant cabbage in San Francisco?

In San Francisco, the recommended planting months for Cabbage are October, November. San Francisco has 355 frost-free days per year, with winter lows of 8°C and summer highs of 22°C. Cabbage is frost tolerant, giving you more flexibility with planting dates.

How long does cabbage take to grow in San Francisco?

Cabbage typically takes 70-100 days from planting to harvest. In San Francisco's Warm-summer Mediterranean climate with 355 frost-free days, you have plenty of time to grow Cabbage to maturity. Start indoors 6 weeks before transplanting. Consistent watering prevents split heads. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Can I grow cabbage indoors in San Francisco?

Cabbage can potentially be grown indoors in San Francisco with proper conditions. It requires full sun (6+ hours of direct light — a south-facing window or grow lights recommended). Indoor growing extends your season beyond the Oct, Nov outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant cabbage in San Francisco?

Plant Cabbage in San Francisco during October, November. These are the optimal months based on San Francisco's USDA Zone 9 climate, 355 frost-free days, and temperature range of 8°C to 22°C.

Is cabbage hard to grow in San Francisco?

Cabbage is rated "medium" to grow in San Francisco. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Cabbage in San Francisco is Good.

What grows well with cabbage in San Francisco?

In San Francisco, you can grow many companion plants alongside Cabbage. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in San Francisco's Zone 9 climate.

Does cabbage need full sun in San Francisco?

Cabbage requires full sun. In San Francisco, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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