Growing Comfrey in Edmonton
🇨🇦 Zone 1 Planting Guide · Warm-summer humid continental climate
Quick Answer: Growing Comfrey in Edmonton
Yes, you can grow Comfrey in Edmonton, CA! Plant during Mar, Apr, May, Jul, Aug for best results. Edmonton is in USDA Zone 1 with a Warm-summer humid continental climate, offering 125 frost-free days per year. The difficulty level is medium, and Comfrey takes 60-90 days to harvest. Comfrey needs full sun to partial shade and regular watering.
Climate Match Analysis
Edmonton's climate requires careful timing. Winter lows (-17°C) drop below Comfrey's minimum (-15°C), so avoid cold months. Follow the recommended planting months for success.
Edmonton Climate Data
Comfrey Planting Calendar for Edmonton
Green months show the best time to plant Comfrey in Edmonton
Comfrey Growing Requirements
Sunlight
Full Sun to Partial Shade
2-4 hours direct sunlight
Water
Regular
Consistent moisture, 1-2 inches/week
Days to Harvest
60-90
From planting to first harvest
Difficulty
Some experience helpful
💡 Growing Tips for Comfrey
Plant Bocking 14 variety (non-spreading). Chop and drop as mulch 4-5 times per season. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.
Frost tolerance: Comfrey is frost tolerant — you can plant earlier in spring.
How to Grow Comfrey in Edmonton
Edmonton, CA is in USDA Hardiness Zone 1 with a Warm-summer humid continental climate (Köppen Dfb). With winter lows of -17°C and summer highs of 23°C, the growing season spans approximately 125 frost-free days. Comfrey grows well with some gardening knowledge in this climate.
Comfrey thrives in temperatures between 12°C and 24°C, requiring full sun to partial shade and regular watering. In Edmonton, the best months to plant Comfrey are March, April, May, July, August. Since Comfrey 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.
Edmonton receives only 461mm of annual rainfall, so consistent irrigation will be essential for growing Comfrey successfully.
Other Plants That Grow in Edmonton
More plants you can grow alongside Comfrey in Edmonton
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Frequently Asked Questions
Can I grow comfrey in Edmonton?
Yes! Comfrey can be successfully grown in Edmonton, CA. Edmonton is in USDA Hardiness Zone 1 with a Warm-summer humid continental climate. The difficulty level for growing Comfrey here is rated "medium". The best months to plant are March, April, May, July, August.
When should I plant comfrey in Edmonton?
In Edmonton, the recommended planting months for Comfrey are March, April, May, July, August. Edmonton has 125 frost-free days per year, with winter lows of -17°C and summer highs of 23°C. Comfrey is frost tolerant, giving you more flexibility with planting dates.
How long does comfrey take to grow in Edmonton?
Comfrey typically takes 60-90 days from planting to harvest. In Edmonton's Warm-summer humid continental climate with 125 frost-free days, you have enough time with good planning to grow Comfrey to maturity. Plant Bocking 14 variety (non-spreading). Chop and drop as mulch 4-5 times per season. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.
Can I grow comfrey indoors in Edmonton?
Comfrey can potentially be grown indoors in Edmonton with proper conditions. It requires full sun to partial shade (2-4 hours of indirect light). Indoor growing extends your season beyond the Mar, Apr, May, Jul, Aug outdoor planting window. Use containers with good drainage and regular watering.
What month do I plant comfrey in Edmonton?
Plant Comfrey in Edmonton during March, April, May, July, August. These are the optimal months based on Edmonton's USDA Zone 1 climate, 125 frost-free days, and temperature range of -17°C to 23°C.
Is comfrey hard to grow in Edmonton?
Comfrey is rated "medium" to grow in Edmonton. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Comfrey in Edmonton is Moderate.
What grows well with comfrey in Edmonton?
In Edmonton, you can grow many companion plants alongside Comfrey. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Edmonton's Zone 1 climate.
Does comfrey need full sun in Edmonton?
Comfrey requires full sun to partial shade. Comfrey tolerates lower light. In Edmonton, a spot with filtered or indirect light for 2-4 hours works well.