Skip to content
🥬 Vegetable easy

Growing Swiss Chard in Lyon

🇫🇷 Zone 6 Planting Guide · Oceanic / Marine west coast climate

USDA Zone 6 230 frost-free days 50-60 days to harvest

Quick Answer: Growing Swiss Chard in Lyon

Yes, you can grow Swiss Chard in Lyon, FR! Plant during Feb, Mar, Apr, Aug, Sep for best results. Lyon is in USDA Zone 6 with a Oceanic / Marine west coast climate, offering 230 frost-free days per year. The difficulty level is easy, and Swiss Chard takes 50-60 days to harvest. Swiss Chard needs full sun to partial shade and regular watering.

Climate Match Analysis

Good Match Lyon + Swiss Chard

Lyon's temperatures (-1°C to 28°C) are within the tolerable range for Swiss Chard (-2°C to 30°C), though not always in the optimal zone (10°C to 24°C). Plant during recommended months for best results.

Swiss Chard tolerates -2°C to 30°C
Optimal: 10°C - 24°C
Lyon range -1°C to 28°C

Lyon Climate Data

USDA Zone
6
Frost-Free
230days
Winter Low
-1°C
Summer High
28°C
Rainfall
831mm/yr
Climate
Cfb
Oceanic / Marine west coast

Swiss Chard Planting Calendar for Lyon

Green months show the best time to plant Swiss Chard in Lyon

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

Swiss Chard Growing Requirements

☀️

Sunlight

Full Sun to Partial Shade

2-4 hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

50-60

From planting to first harvest

📊

Difficulty

easy

Great for beginners

💡 Growing Tips for Swiss Chard

Cut-and-come-again harvesting extends the season. More heat tolerant than spinach. 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: Swiss Chard is frost tolerant — you can plant earlier in spring.

How to Grow Swiss Chard in Lyon

Lyon, FR is in USDA Hardiness Zone 6 with a Oceanic / Marine west coast climate (Köppen Cfb). With winter lows of -1°C and summer highs of 28°C, the growing season spans approximately 230 frost-free days. Swiss Chard is one of the easiest plants to grow in this climate.

Swiss Chard thrives in temperatures between 10°C and 24°C, requiring full sun to partial shade and regular watering. In Lyon, the best months to plant Swiss Chard are February, March, April, August, September. Since Swiss Chard can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 50-60 days after planting.

With 831mm of annual rainfall, Lyon provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.

Other Plants That Grow in Lyon

More plants you can grow alongside Swiss Chard in Lyon

Keep Exploring

Frequently Asked Questions

Can I grow swiss chard in Lyon?

Yes! Swiss Chard can be successfully grown in Lyon, FR. Lyon is in USDA Hardiness Zone 6 with a Oceanic / Marine west coast climate. The difficulty level for growing Swiss Chard here is rated "easy". The best months to plant are February, March, April, August, September.

When should I plant swiss chard in Lyon?

In Lyon, the recommended planting months for Swiss Chard are February, March, April, August, September. Lyon has 230 frost-free days per year, with winter lows of -1°C and summer highs of 28°C. Swiss Chard is frost tolerant, giving you more flexibility with planting dates.

How long does swiss chard take to grow in Lyon?

Swiss Chard typically takes 50-60 days from planting to harvest. In Lyon's Oceanic / Marine west coast climate with 230 frost-free days, you have plenty of time to grow Swiss Chard to maturity. Cut-and-come-again harvesting extends the season. More heat tolerant than spinach. 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 swiss chard indoors in Lyon?

Swiss Chard can potentially be grown indoors in Lyon 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 swiss chard in Lyon?

Plant Swiss Chard in Lyon during February, March, April, August, September. These are the optimal months based on Lyon's USDA Zone 6 climate, 230 frost-free days, and temperature range of -1°C to 28°C.

Is swiss chard hard to grow in Lyon?

Swiss Chard is rated "easy" to grow in Lyon. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Swiss Chard in Lyon is Good.

What grows well with swiss chard in Lyon?

In Lyon, you can grow many companion plants alongside Swiss Chard. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Lyon's Zone 6 climate.

Does swiss chard need full sun in Lyon?

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

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

See an error? Report it