Growing Yarrow in Honolulu
🇺🇸 Zone 12 Planting Guide · Tropical savanna climate
Quick Answer: Growing Yarrow in Honolulu
Yes, you can grow Yarrow in Honolulu, US! Plant during Nov, Dec, Jan, Feb for best results. Honolulu is in USDA Zone 12 with a Tropical savanna climate, offering 365 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
Honolulu's temperatures (19°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.
Honolulu Climate Data
Yarrow Planting Calendar for Honolulu
Green months show the best time to plant Yarrow in Honolulu
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 Honolulu
Honolulu, US is in USDA Hardiness Zone 12 with a Tropical savanna climate (Köppen Aw). With winter lows of 19°C and summer highs of 31°C, the growing season spans approximately 365 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 Honolulu, the best months to plant Yarrow are November, December, January, February. 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.
Honolulu receives only 434mm of annual rainfall, so consistent irrigation will be essential for growing Yarrow successfully.
Other Plants That Grow in Honolulu
More plants you can grow alongside Yarrow in Honolulu
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Frequently Asked Questions
Can I grow yarrow in Honolulu?
Yes! Yarrow can be successfully grown in Honolulu, US. Honolulu is in USDA Hardiness Zone 12 with a Tropical savanna climate. The difficulty level for growing Yarrow here is rated "easy". The best months to plant are November, December, January, February.
When should I plant yarrow in Honolulu?
In Honolulu, the recommended planting months for Yarrow are November, December, January, February. Honolulu has 365 frost-free days per year, with winter lows of 19°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 Honolulu?
Yarrow typically takes 60-90 days from planting to harvest. In Honolulu's Tropical savanna climate with 365 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 Honolulu?
Yarrow can potentially be grown indoors in Honolulu 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 Nov, Dec, Jan, Feb outdoor planting window. Use containers with good drainage and low watering.
What month do I plant yarrow in Honolulu?
Plant Yarrow in Honolulu during November, December, January, February. These are the optimal months based on Honolulu's USDA Zone 12 climate, 365 frost-free days, and temperature range of 19°C to 31°C.
Is yarrow hard to grow in Honolulu?
Yarrow is rated "easy" to grow in Honolulu. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Yarrow in Honolulu is Good.
What grows well with yarrow in Honolulu?
In Honolulu, 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 Honolulu's Zone 12 climate.
Does yarrow need full sun in Honolulu?
Yarrow requires full sun. In Honolulu, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.