How to Grow Merveille des Quatre Saisons

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Merveille des Quatre Saisons

Lactuca sativa var. crispa

vegetable

A classic French heirloom loose-leaf lettuce known for its beautiful reddish-bronze coloring and tender, crispy leaves with a slightly sweet flavor. Dating back to the 1850s, it's prized for its ability to produce fresh greens across multiple seasons. The name translates to 'Marvel of the Four Seasons,' reflecting its reliable year-round productivity.

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Example Merveille des Quatre Saisons timeline · Pittsburgh, PA (Zone 6b)

Plant Merveille des Quatre Saisons
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Merveille des Quatre Saisons
Around Jun 1

≈ 45 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Merveille des Quatre Saisons dates for your own zip code.

Growing Conditions

☀️

Sun: Full sun to partial shade; 6+ hours of direct sun optimal, but tolerates afternoon shade in hot climates

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Water: Keep soil consistently moist but not waterlogged; provide 1-1.5 inches of water per week through rain or irrigation. Water at soil level to minimize disease.

📏

Spacing: 8-12 inches

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Days to maturity: 45-60

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Planting depth: 0.25-0.5 inches; sow seeds directly or start transplants indoors 4-6 weeks before planting

Soil

Type: Rich, well-draining loamy soil with high organic matter

pH: 6.0-6.8

Amendments:

Compost aged manure peat moss balanced fertilizer (10-10-10)

Growing Zones

Find your zone →

Thrives in zones 3-9; excellent cool-season lettuce that bolts less readily than some varieties in warmer zones

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a

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Growth Stages

Germination

7-10 days

Tiny cotyledons emerge within 7-10 days; seedlings are delicate and pale green

Keep soil evenly moist but never soggy. Provide bright light to prevent leggy growth. Maintain temperature around 60-70°F.

Seedling

2-3 weeks

First true leaves appear; seedlings develop characteristic leaf shape with slight frilling

Thin seedlings to proper spacing if direct-seeded. Provide consistent moisture and bright light. Avoid high nitrogen to prevent tender, disease-prone foliage.

Vegetative Growth

3-4 weeks

Loose rosette of leaves expands; reddish-bronze coloration intensifies, especially in cooler weather

Maintain consistent watering. Side-dress with compost or balanced fertilizer. Begin light harvesting of outer leaves once plant is 6-8 inches tall.

Mature Rosette

2-4 weeks

Full, productive plant with dense foliage reaching 10-14 inches in diameter; deep red-bronze color is most vibrant

Continue harvesting outer leaves regularly to encourage new growth and delay bolting. Monitor for pests. Maintain cool temperatures below 70°F if possible.

Flowering/Bolting

variable

Central stem begins to elongate and flower buds form; leaves become bitter and tougher

This signals the end of prime harvest. Harvest remaining leaves quickly or allow plant to go to seed if you want to save seeds. Remove plant to free space.

Companion Planting

Plan your garden →

Plant with:

Radish Carrot Beet Chervil Dill Parsnip Strawberry Onion Garlic

Avoid planting near:

Cabbage Broccoli Parsley (for seed saving) Fennel

Common Pests

Spray with water to dislodge; use insecticidal soap or neem oil; encourage beneficial insects like ladybugs
and
Handpick at dusk/dawn; use copper tape barriers; apply diatomaceous earth; beer traps
Use row covers on young plants; spray with neem oil or kaolin clay; maintain good sanitation
Control aphid vectors with neem oil; select resistant varieties; remove infected plants immediately
Improve air circulation; avoid overhead watering; remove infected leaves; use sulfur dust if severe

Uses

🍳

Fresh salads and greens

Culinary

The tender, crispy leaves with their attractive reddish-bronze coloring make this lettuce ideal for fresh salads, garnishes, and mixed green bowls. The slightly sweet flavor pairs well with vinaigrettes and light dressings. [source]

🍳

Sautéing and cooking

Culinary

Unlike iceberg varieties, Merveille des Quatre Saisons can be gently wilted in hot pans or used in warm salads, taking on subtle flavors from olive oil, garlic, and light seasoning. [source]

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Winter gardening and succession planting

Household

This variety's tolerance for cool weather and reduced bolting tendency makes it an excellent choice for fall and early spring harvests, and even winter gardening in mild climates with row cover protection. [source]

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Beneficial insect support

Wildlife

When allowed to bolt and flower, Merveille des Quatre Saisons produces delicate yellow flowers that attract pollinators and beneficial insects to the garden. [source]

🍳

Nutrient-dense greens

Culinary

Red lettuce varieties contain anthocyanins and higher antioxidant levels than green lettuce, providing lutein and other vision-supporting compounds along with vitamins A, C, and K. [source]

Harvest Tips

Begin harvesting outer leaves once the plant reaches 6-8 inches tall using the 'cut-and-come-again' method—snip leaves 1 inch above soil level with scissors or pruners. Harvest in cool early morning for crispest texture. Full heads can be harvested when mature (10-14 inches diameter) by cutting just above soil level. The loose-leaf structure allows continuous harvesting over 2-4 weeks without harvesting the entire plant. Quality declines and plant bolts in heat above 75°F.

Fun Facts

🌱 Merveille des Quatre Saisons dates back to at least the 1850s in France and remains largely unchanged, making it a true heirloom variety that gardeners have successfully grown for over 170 years.
🌱 The variety's name reflects the European gardening tradition of succession planting to ensure fresh salad greens in spring, summer, fall, and winter through careful timing and variety selection.
🌱 This lettuce's reddish coloration becomes more pronounced in cooler weather and with increased sunlight exposure—the same anthocyanin pigments that create the color also protect the plant from UV stress.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Bolt Compost Full Sun Heirloom Partial Shade True Leaves

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