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🌿 Herb medium

Growing Tarragon in London

🇬🇧 Zone 7 Planting Guide · Oceanic / Marine west coast climate

USDA Zone 7 270 frost-free days 60-90 days to harvest

Quick Answer: Growing Tarragon in London

Yes, you can grow Tarragon in London, GB! Plant during Jan, Feb, Mar, Sep, Oct for best results. London is in USDA Zone 7 with a Oceanic / Marine west coast climate, offering 270 frost-free days per year. The difficulty level is medium, and Tarragon takes 60-90 days to harvest. Tarragon needs full sun and moderate watering.

Climate Match Analysis

Good Match London + Tarragon

London's temperatures (2°C to 23°C) are within the tolerable range for Tarragon (-10°C to 28°C), though not always in the optimal zone (12°C to 22°C). Plant during recommended months for best results.

Tarragon tolerates -10°C to 28°C
Optimal: 12°C - 22°C
London range 2°C to 23°C

London Climate Data

USDA Zone
7
Frost-Free
270days
Winter Low
2°C
Summer High
23°C
Rainfall
602mm/yr
Climate
Cfb
Oceanic / Marine west coast

Tarragon Planting Calendar for London

Green months show the best time to plant Tarragon in London

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

Tarragon Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Moderate

Keep soil consistently moist

📅

Days to Harvest

60-90

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Tarragon

French tarragon can't be grown from seed -- buy plants. Can be planted 2-3 weeks before the last expected frost in your area, giving it a head start on the growing season. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

Frost tolerance: Tarragon is frost tolerant — you can plant earlier in spring.

How to Grow Tarragon in London

London, GB is in USDA Hardiness Zone 7 with a Oceanic / Marine west coast climate (Köppen Cfb). With winter lows of 2°C and summer highs of 23°C, the growing season spans approximately 270 frost-free days. Tarragon grows well with some gardening knowledge in this climate.

Tarragon thrives in temperatures between 12°C and 22°C, requiring full sun and moderate watering. In London, the best months to plant Tarragon are January, February, March, September, October. Since Tarragon 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 602mm of annual rainfall, London provides moderate natural moisture. This should be adequate for Tarragon's water needs.

Other Plants That Grow in London

More plants you can grow alongside Tarragon in London

Keep Exploring

Frequently Asked Questions

Can I grow tarragon in London?

Yes! Tarragon can be successfully grown in London, GB. London is in USDA Hardiness Zone 7 with a Oceanic / Marine west coast climate. The difficulty level for growing Tarragon here is rated "medium". The best months to plant are January, February, March, September, October.

When should I plant tarragon in London?

In London, the recommended planting months for Tarragon are January, February, March, September, October. London has 270 frost-free days per year, with winter lows of 2°C and summer highs of 23°C. Tarragon is frost tolerant, giving you more flexibility with planting dates.

How long does tarragon take to grow in London?

Tarragon typically takes 60-90 days from planting to harvest. In London's Oceanic / Marine west coast climate with 270 frost-free days, you have plenty of time to grow Tarragon to maturity. French tarragon can't be grown from seed -- buy plants. Can be planted 2-3 weeks before the last expected frost in your area, giving it a head start on the growing season. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

Can I grow tarragon indoors in London?

Tarragon can potentially be grown indoors in London 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 Jan, Feb, Mar, Sep, Oct outdoor planting window. Use containers with good drainage and moderate watering.

What month do I plant tarragon in London?

Plant Tarragon in London during January, February, March, September, October. These are the optimal months based on London's USDA Zone 7 climate, 270 frost-free days, and temperature range of 2°C to 23°C.

Is tarragon hard to grow in London?

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

What grows well with tarragon in London?

In London, you can grow many companion plants alongside Tarragon. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in London's Zone 7 climate.

Does tarragon need full sun in London?

Tarragon requires full sun. In London, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.

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

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