Growing Yarrow in Knoxville
🇺🇸 Zone 5 Planting Guide · Humid subtropical climate
Quick Answer: Growing Yarrow in Knoxville
Yes, you can grow Yarrow in Knoxville, US! Plant during Feb, Mar, Apr, Aug, Sep for best results. Knoxville is in USDA Zone 5 with a Humid subtropical climate, offering 215 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
Knoxville's temperatures (-2°C to 31°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.
Knoxville Climate Data
Yarrow Planting Calendar for Knoxville
Green months show the best time to plant Yarrow in Knoxville
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 Knoxville
Knoxville, US is in USDA Hardiness Zone 5 with a Humid subtropical climate (Köppen Cfa). With winter lows of -2°C and summer highs of 31°C, the growing season spans approximately 215 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 Knoxville, the best months to plant Yarrow are February, March, April, August, September. 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.
Knoxville receives 1245mm 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 Knoxville
More plants you can grow alongside Yarrow in Knoxville
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Frequently Asked Questions
Can I grow yarrow in Knoxville?
Yes! Yarrow can be successfully grown in Knoxville, US. Knoxville is in USDA Hardiness Zone 5 with a Humid subtropical climate. The difficulty level for growing Yarrow here is rated "easy". The best months to plant are February, March, April, August, September.
When should I plant yarrow in Knoxville?
In Knoxville, the recommended planting months for Yarrow are February, March, April, August, September. Knoxville has 215 frost-free days per year, with winter lows of -2°C and summer highs of 31°C. Yarrow is frost tolerant, giving you more flexibility with planting dates.
How long does yarrow take to grow in Knoxville?
Yarrow typically takes 60-90 days from planting to harvest. In Knoxville's Humid subtropical climate with 215 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 Knoxville?
Yarrow can potentially be grown indoors in Knoxville 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 Feb, Mar, Apr, Aug, Sep outdoor planting window. Use containers with good drainage and low watering.
What month do I plant yarrow in Knoxville?
Plant Yarrow in Knoxville during February, March, April, August, September. These are the optimal months based on Knoxville's USDA Zone 5 climate, 215 frost-free days, and temperature range of -2°C to 31°C.
Is yarrow hard to grow in Knoxville?
Yarrow is rated "easy" to grow in Knoxville. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Yarrow in Knoxville is Good.
What grows well with yarrow in Knoxville?
In Knoxville, 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 Knoxville's Zone 5 climate.
Does yarrow need full sun in Knoxville?
Yarrow requires full sun. In Knoxville, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.