Growing Yarrow in Portland
🇺🇸 Zone 7 Planting Guide · Warm-summer Mediterranean climate
Quick Answer: Growing Yarrow in Portland
Yes, you can grow Yarrow in Portland, US! Plant during Jan, Feb, Mar, Sep, Oct for best results. Portland is in USDA Zone 7 with a Warm-summer Mediterranean climate, offering 240 frost-free days per year. The difficulty level is easy, and Yarrow takes 60-90 days to harvest. Yarrow needs full sun and low watering.
Climate Match Analysis
Portland's temperatures (2°C to 27°C) are within the tolerable range for Yarrow (-25°C to 32°C), though not always in the optimal zone (12°C to 24°C). Plant during recommended months for best results.
Portland Climate Data
Yarrow Planting Calendar for Portland
Green months show the best time to plant Yarrow in Portland
Yarrow Growing Requirements
Sunlight
Full Sun
6+ hours direct sunlight
Water
Low
Drought tolerant, water sparingly
Days to Harvest
60-90
From planting to first harvest
Difficulty
Great for beginners
💡 Growing Tips for Yarrow
Extremely drought-tolerant. Divide every 2-3 years. 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: Yarrow is frost tolerant — you can plant earlier in spring.
How to Grow Yarrow in Portland
Portland, 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 27°C, the growing season spans approximately 240 frost-free days. Yarrow is one of the easiest plants to grow in this climate.
Yarrow thrives in temperatures between 12°C and 24°C, requiring full sun and low watering. In Portland, the best months to plant Yarrow are January, February, March, September, October. Since Yarrow can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 60-90 days after planting.
Portland receives 1090mm of annual rainfall, which provides good natural moisture for Yarrow. Be careful not to overwater — the natural rainfall may be sufficient.
Other Plants That Grow in Portland
More plants you can grow alongside Yarrow in Portland
Keep Exploring
Frequently Asked Questions
Can I grow yarrow in Portland?
Yes! Yarrow can be successfully grown in Portland, US. Portland is in USDA Hardiness Zone 7 with a Warm-summer Mediterranean climate. The difficulty level for growing Yarrow here is rated "easy". The best months to plant are January, February, March, September, October.
When should I plant yarrow in Portland?
In Portland, the recommended planting months for Yarrow are January, February, March, September, October. Portland has 240 frost-free days per year, with winter lows of 2°C and summer highs of 27°C. Yarrow is frost tolerant, giving you more flexibility with planting dates.
How long does yarrow take to grow in Portland?
Yarrow typically takes 60-90 days from planting to harvest. In Portland's Warm-summer Mediterranean climate with 240 frost-free days, you have plenty of time to grow Yarrow to maturity. Extremely drought-tolerant. Divide every 2-3 years. 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 yarrow indoors in Portland?
Yarrow can potentially be grown indoors in Portland 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 yarrow in Portland?
Plant Yarrow in Portland during January, February, March, September, October. These are the optimal months based on Portland's USDA Zone 7 climate, 240 frost-free days, and temperature range of 2°C to 27°C.
Is yarrow hard to grow in Portland?
Yarrow is rated "easy" to grow in Portland. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Yarrow in Portland is Good.
What grows well with yarrow in Portland?
In Portland, you can grow many companion plants alongside Yarrow. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Portland's Zone 7 climate.
Does yarrow need full sun in Portland?
Yarrow requires full sun. In Portland, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.