Growing Yarrow in Ottawa
🇨🇦 Zone 1 Planting Guide · Warm-summer humid continental climate
Quick Answer: Growing Yarrow in Ottawa
Yes, you can grow Yarrow in Ottawa, CA! Plant during Mar, Apr, May, Jul, Aug for best results. Ottawa is in USDA Zone 1 with a Warm-summer humid continental climate, offering 165 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
Ottawa's temperatures (-15°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.
Ottawa Climate Data
Yarrow Planting Calendar for Ottawa
Green months show the best time to plant Yarrow in Ottawa
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 Ottawa
Ottawa, CA is in USDA Hardiness Zone 1 with a Warm-summer humid continental climate (Köppen Dfb). With winter lows of -15°C and summer highs of 27°C, the growing season spans approximately 165 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 Ottawa, the best months to plant Yarrow are March, April, May, July, August. 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.
With 920mm of annual rainfall, Ottawa provides moderate natural moisture. This should be adequate for Yarrow's water needs.
Other Plants That Grow in Ottawa
More plants you can grow alongside Yarrow in Ottawa
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Frequently Asked Questions
Can I grow yarrow in Ottawa?
Yes! Yarrow can be successfully grown in Ottawa, CA. Ottawa is in USDA Hardiness Zone 1 with a Warm-summer humid continental climate. The difficulty level for growing Yarrow here is rated "easy". The best months to plant are March, April, May, July, August.
When should I plant yarrow in Ottawa?
In Ottawa, the recommended planting months for Yarrow are March, April, May, July, August. Ottawa has 165 frost-free days per year, with winter lows of -15°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 Ottawa?
Yarrow typically takes 60-90 days from planting to harvest. In Ottawa's Warm-summer humid continental climate with 165 frost-free days, you have enough time with good planning 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 Ottawa?
Yarrow can potentially be grown indoors in Ottawa 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 Mar, Apr, May, Jul, Aug outdoor planting window. Use containers with good drainage and low watering.
What month do I plant yarrow in Ottawa?
Plant Yarrow in Ottawa during March, April, May, July, August. These are the optimal months based on Ottawa's USDA Zone 1 climate, 165 frost-free days, and temperature range of -15°C to 27°C.
Is yarrow hard to grow in Ottawa?
Yarrow is rated "easy" to grow in Ottawa. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Yarrow in Ottawa is Good.
What grows well with yarrow in Ottawa?
In Ottawa, 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 Ottawa's Zone 1 climate.
Does yarrow need full sun in Ottawa?
Yarrow requires full sun. In Ottawa, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.