Skip to content
🥬 Vegetable medium

Growing Celeriac in London

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

USDA Zone 7 270 frost-free days 100-120 days to harvest

Quick Answer: Growing Celeriac in London

Yes, you can grow Celeriac 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 Celeriac takes 100-120 days to harvest. Celeriac needs full sun and regular watering.

Climate Match Analysis

Good Match London + Celeriac

London's temperatures (2°C to 23°C) are within the tolerable range for Celeriac (-5°C to 25°C), though not always in the optimal zone (12°C to 22°C). Plant during recommended months for best results.

Celeriac tolerates -5°C to 25°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

Celeriac Planting Calendar for London

Green months show the best time to plant Celeriac in London

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

Celeriac Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

100-120

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Celeriac

Start indoors very early. Needs long cool 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: Celeriac is frost tolerant — you can plant earlier in spring.

How to Grow Celeriac 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. Celeriac grows well with some gardening knowledge in this climate.

Celeriac thrives in temperatures between 12°C and 22°C, requiring full sun and regular watering. In London, the best months to plant Celeriac are January, February, March, September, October. Since Celeriac can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 100-120 days after planting.

With 602mm of annual rainfall, London provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.

Other Plants That Grow in London

More plants you can grow alongside Celeriac in London

Keep Exploring

Frequently Asked Questions

Can I grow celeriac in London?

Yes! Celeriac 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 Celeriac here is rated "medium". The best months to plant are January, February, March, September, October.

When should I plant celeriac in London?

In London, the recommended planting months for Celeriac 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. Celeriac is frost tolerant, giving you more flexibility with planting dates.

How long does celeriac take to grow in London?

Celeriac typically takes 100-120 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 Celeriac to maturity. Start indoors very early. Needs long cool 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 celeriac indoors in London?

Celeriac 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 regular watering.

What month do I plant celeriac in London?

Plant Celeriac 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 celeriac hard to grow in London?

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

What grows well with celeriac in London?

In London, you can grow many companion plants alongside Celeriac. 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 celeriac need full sun in London?

Celeriac 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

See an error? Report it