Growing Lavender in Seattle
🇺🇸 Zone 7 Planting Guide · Warm-summer Mediterranean climate
Quick Answer: Growing Lavender in Seattle
Yes, you can grow Lavender 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 Lavender takes 90-200 days to harvest. Lavender needs full sun and low watering.
Climate Match Analysis
Seattle's temperatures (2°C to 24°C) are within the tolerable range for Lavender (-10°C to 35°C), though not always in the optimal zone (15°C to 28°C). Plant during recommended months for best results.
Seattle Climate Data
Lavender Planting Calendar for Seattle
Green months show the best time to plant Lavender in Seattle
Lavender Growing Requirements
Sunlight
Full Sun
6+ hours direct sunlight
Water
Low
Drought tolerant, water sparingly
Days to Harvest
90-200
From planting to first harvest
Difficulty
Some experience helpful
💡 Growing Tips for Lavender
Must have excellent drainage -- will rot in wet soil. Prune after flowering. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.
Frost tolerance: Lavender is frost tolerant — you can plant earlier in spring.
Companion Plants for Lavender
Find out which plants grow best alongside Lavender — and which to keep apart
Grow Lavender Indoors
No garden? Learn how to grow Lavender indoors with our complete guide
How to Grow Lavender 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. Lavender grows well with some gardening knowledge in this climate.
Lavender thrives in temperatures between 15°C and 28°C, requiring full sun and low watering. In Seattle, the best months to plant Lavender are January, February, March, September, October. Since Lavender can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 90-200 days after planting.
With 953mm of annual rainfall, Seattle provides moderate natural moisture. This should be adequate for Lavender's water needs.
Other Plants That Grow in Seattle
More plants you can grow alongside Lavender in Seattle
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Frequently Asked Questions
Can I grow lavender in Seattle?
Yes! Lavender 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 Lavender here is rated "medium". The best months to plant are January, February, March, September, October.
When should I plant lavender in Seattle?
In Seattle, the recommended planting months for Lavender 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. Lavender is frost tolerant, giving you more flexibility with planting dates.
How long does lavender take to grow in Seattle?
Lavender typically takes 90-200 days from planting to harvest. In Seattle's Warm-summer Mediterranean climate with 250 frost-free days, you have plenty of time to grow Lavender to maturity. Must have excellent drainage -- will rot in wet soil. Prune after flowering. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.
Can I grow lavender indoors in Seattle?
Lavender 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 low watering.
What month do I plant lavender in Seattle?
Plant Lavender 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 lavender hard to grow in Seattle?
Lavender is rated "medium" to grow in Seattle. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Lavender in Seattle is Good.
What grows well with lavender in Seattle?
In Seattle, you can grow many companion plants alongside Lavender. 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 lavender need full sun in Seattle?
Lavender requires full sun. In Seattle, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.