Skip to content
🥬 Vegetable medium

Growing Winter Squash in Lyon

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

USDA Zone 6 230 frost-free days 80-110 days to harvest

Quick Answer: Growing Winter Squash in Lyon

Yes, you can grow Winter Squash in Lyon, FR! Plant during Apr, May, Jun, Jul 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 medium, and Winter Squash takes 80-110 days to harvest. Winter Squash needs full sun and regular watering.

Climate Match Analysis

Moderate Match Lyon + Winter Squash

Lyon's climate requires careful timing. Winter lows (-1°C) drop below Winter Squash's minimum (12°C), so avoid cold months. Follow the recommended planting months for success.

Winter Squash tolerates 12°C to 35°C
Optimal: 18°C - 28°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

Winter Squash Planting Calendar for Lyon

Green months show the best time to plant Winter Squash in Lyon

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

Winter Squash Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

80-110

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Winter Squash

Cure in sun for 10 days after harvest. Store in cool dry place for months. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Winter Squash is NOT frost tolerant — wait until after the last frost in Lyon.

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

Winter Squash thrives in temperatures between 18°C and 28°C, requiring full sun and regular watering. In Lyon, the best months to plant Winter Squash are April, May, June, July. Winter Squash is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 80-110 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 Winter Squash in Lyon

Keep Exploring

Frequently Asked Questions

Can I grow winter squash in Lyon?

Yes! Winter Squash 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 Winter Squash here is rated "medium". The best months to plant are April, May, June, July.

When should I plant winter squash in Lyon?

In Lyon, the recommended planting months for Winter Squash are April, May, June, July. Lyon has 230 frost-free days per year, with winter lows of -1°C and summer highs of 28°C. Since Winter Squash is not frost tolerant, make sure to plant after the last frost date.

How long does winter squash take to grow in Lyon?

Winter Squash typically takes 80-110 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 Winter Squash to maturity. Cure in sun for 10 days after harvest. Store in cool dry place for months. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. 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 winter squash indoors in Lyon?

Winter Squash can potentially be grown indoors in Lyon 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 Apr, May, Jun, Jul outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant winter squash in Lyon?

Plant Winter Squash in Lyon during April, May, June, July. 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 winter squash hard to grow in Lyon?

Winter Squash is rated "medium" to grow in Lyon. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Winter Squash in Lyon is Moderate.

What grows well with winter squash in Lyon?

In Lyon, you can grow many companion plants alongside Winter Squash. 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 winter squash need full sun in Lyon?

Winter Squash requires full sun. In Lyon, 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