Growing Arugula in Seattle
🇺🇸 Zone 7 Planting Guide · Warm-summer Mediterranean climate
Quick Answer: Growing Arugula in Seattle
Yes, you can grow Arugula 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 easy, and Arugula takes 21-40 days to harvest. Arugula needs full sun to partial shade and regular watering.
Climate Match Analysis
Seattle's temperatures (2°C to 24°C) are within the tolerable range for Arugula (2°C to 24°C), though not always in the optimal zone (10°C to 18°C). Plant during recommended months for best results.
Seattle Climate Data
Arugula Planting Calendar for Seattle
Green months show the best time to plant Arugula in Seattle
Arugula Growing Requirements
Sunlight
Full Sun to Partial Shade
2-4 hours direct sunlight
Water
Regular
Consistent moisture, 1-2 inches/week
Days to Harvest
21-40
From planting to first harvest
Difficulty
Great for beginners
💡 Growing Tips for Arugula
Sow every 2-3 weeks for continuous harvest. Bolts quickly in heat. 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: Arugula is frost tolerant — you can plant earlier in spring.
Grow Arugula Indoors
No garden? Learn how to grow Arugula indoors with our complete guide
How to Grow Arugula 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. Arugula is one of the easiest plants to grow in this climate.
Arugula thrives in temperatures between 10°C and 18°C, requiring full sun to partial shade and regular watering. In Seattle, the best months to plant Arugula are January, February, March, September, October. Since Arugula can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 21-40 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 Arugula in Seattle
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Frequently Asked Questions
Can I grow arugula in Seattle?
Yes! Arugula 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 Arugula here is rated "easy". The best months to plant are January, February, March, September, October.
When should I plant arugula in Seattle?
In Seattle, the recommended planting months for Arugula 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. Arugula is frost tolerant, giving you more flexibility with planting dates.
How long does arugula take to grow in Seattle?
Arugula typically takes 21-40 days from planting to harvest. In Seattle's Warm-summer Mediterranean climate with 250 frost-free days, you have plenty of time to grow Arugula to maturity. Sow every 2-3 weeks for continuous harvest. Bolts quickly in heat. 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 arugula indoors in Seattle?
Arugula can potentially be grown indoors in Seattle with proper conditions. It requires full sun to partial shade (2-4 hours of indirect light). 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 arugula in Seattle?
Plant Arugula 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 arugula hard to grow in Seattle?
Arugula is rated "easy" to grow in Seattle. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Arugula in Seattle is Good.
What grows well with arugula in Seattle?
In Seattle, you can grow many companion plants alongside Arugula. 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 arugula need full sun in Seattle?
Arugula requires full sun to partial shade. Arugula tolerates lower light. In Seattle, a spot with filtered or indirect light for 2-4 hours works well.