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Growing Comfrey in Bergen

🇳🇴 Zone 6 Planting Guide · Oceanic / Marine west coast climate

USDA Zone 6 220 frost-free days 60-90 days to harvest

Quick Answer: Growing Comfrey in Bergen

Yes, you can grow Comfrey in Bergen, NO! Plant during Feb, Mar, Apr, Aug, Sep for best results. Bergen is in USDA Zone 6 with a Oceanic / Marine west coast climate, offering 220 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

Good Match Bergen + Comfrey

Bergen's temperatures (0°C to 18°C) are within the tolerable range for Comfrey (-15°C to 30°C), though not always in the optimal zone (12°C to 24°C). Plant during recommended months for best results.

Comfrey tolerates -15°C to 30°C
Optimal: 12°C - 24°C
Bergen range 0°C to 18°C

Bergen Climate Data

USDA Zone
6
Frost-Free
220days
Winter Low
0°C
Summer High
18°C
Rainfall
2250mm/yr
Climate
Cfb
Oceanic / Marine west coast

Comfrey Planting Calendar for Bergen

Green months show the best time to plant Comfrey in Bergen

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Comfrey Not recommended

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

medium

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 Bergen

Bergen, NO is in USDA Hardiness Zone 6 with a Oceanic / Marine west coast climate (Köppen Cfb). With winter lows of 0°C and summer highs of 18°C, the growing season spans approximately 220 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 Bergen, the best months to plant Comfrey are February, March, April, August, September. 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.

Bergen receives 2250mm of annual rainfall, which provides good natural moisture for Comfrey. Supplement with additional watering during dry spells.

Other Plants That Grow in Bergen

More plants you can grow alongside Comfrey in Bergen

Keep Exploring

Frequently Asked Questions

Can I grow comfrey in Bergen?

Yes! Comfrey can be successfully grown in Bergen, NO. Bergen is in USDA Hardiness Zone 6 with a Oceanic / Marine west coast climate. The difficulty level for growing Comfrey here is rated "medium". The best months to plant are February, March, April, August, September.

When should I plant comfrey in Bergen?

In Bergen, the recommended planting months for Comfrey are February, March, April, August, September. Bergen has 220 frost-free days per year, with winter lows of 0°C and summer highs of 18°C. Comfrey is frost tolerant, giving you more flexibility with planting dates.

How long does comfrey take to grow in Bergen?

Comfrey typically takes 60-90 days from planting to harvest. In Bergen's Oceanic / Marine west coast climate with 220 frost-free days, you have plenty of time 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 Bergen?

Comfrey can potentially be grown indoors in Bergen with proper conditions. It requires full sun to partial shade (2-4 hours of indirect light). Indoor growing extends your season beyond the Feb, Mar, Apr, Aug, Sep outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant comfrey in Bergen?

Plant Comfrey in Bergen during February, March, April, August, September. These are the optimal months based on Bergen's USDA Zone 6 climate, 220 frost-free days, and temperature range of 0°C to 18°C.

Is comfrey hard to grow in Bergen?

Comfrey is rated "medium" to grow in Bergen. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Comfrey in Bergen is Good.

What grows well with comfrey in Bergen?

In Bergen, 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 Bergen's Zone 6 climate.

Does comfrey need full sun in Bergen?

Comfrey requires full sun to partial shade. Comfrey tolerates lower light. In Bergen, a spot with filtered or indirect light for 2-4 hours works well.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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