Growing Cabbage in Seattle
🇺🇸 Zone 7 Planting Guide · Warm-summer Mediterranean climate
Quick Answer: Growing Cabbage in Seattle
Yes, you can grow Cabbage in Seattle, US! Plant during Jan, Feb, Mar, Sep, Oct for best results. Seattle is in USDA Zone 7 with a Warm-summer Mediterranean climate, offering 250 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
Seattle's temperatures (2°C to 24°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.
Seattle Climate Data
Cabbage Planting Calendar for Seattle
Green months show the best time to plant Cabbage in Seattle
Cabbage Growing Requirements
Sunlight
Full Sun
6+ hours direct sunlight
Water
Regular
Consistent moisture, 1-2 inches/week
Days to Harvest
70-100
From planting to first harvest
Difficulty
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.
Companion Plants for Cabbage
Find out which plants grow best alongside Cabbage — and which to keep apart
How to Grow Cabbage in Seattle
Seattle, US is in USDA Hardiness Zone 7 with a Warm-summer Mediterranean climate (Köppen Csb). With winter lows of 2°C and summer highs of 24°C, the growing season spans approximately 250 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 Seattle, the best months to plant Cabbage are January, February, March, September, October. 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 953mm of annual rainfall, Seattle provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.
Other Plants That Grow in Seattle
More plants you can grow alongside Cabbage in Seattle
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Frequently Asked Questions
Can I grow cabbage in Seattle?
Yes! Cabbage can be successfully grown in Seattle, US. Seattle is in USDA Hardiness Zone 7 with a Warm-summer Mediterranean climate. The difficulty level for growing Cabbage here is rated "medium". The best months to plant are January, February, March, September, October.
When should I plant cabbage in Seattle?
In Seattle, the recommended planting months for Cabbage are January, February, March, September, October. Seattle has 250 frost-free days per year, with winter lows of 2°C and summer highs of 24°C. Cabbage is frost tolerant, giving you more flexibility with planting dates.
How long does cabbage take to grow in Seattle?
Cabbage typically takes 70-100 days from planting to harvest. In Seattle's Warm-summer Mediterranean climate with 250 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 Seattle?
Cabbage can potentially be grown indoors in Seattle 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 Jan, Feb, Mar, Sep, Oct outdoor planting window. Use containers with good drainage and regular watering.
What month do I plant cabbage in Seattle?
Plant Cabbage in Seattle during January, February, March, September, October. These are the optimal months based on Seattle's USDA Zone 7 climate, 250 frost-free days, and temperature range of 2°C to 24°C.
Is cabbage hard to grow in Seattle?
Cabbage is rated "medium" to grow in Seattle. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Cabbage in Seattle is Good.
What grows well with cabbage in Seattle?
In Seattle, 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 Seattle's Zone 7 climate.
Does cabbage need full sun in Seattle?
Cabbage requires full sun. In Seattle, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.