How to Grow Lettuce Leaf

Lettuce Leaf

Lactuca sativa var. crispa

vegetable

Lettuce Leaf basil is a basil variety with large, ruffled leaves that resemble lettuce more than traditional basil. It offers a mild, slightly sweet basil flavor with tender, delicate foliage ideal for fresh use. This ornamental and culinary herb grows into a bushy plant perfect for containers and garden beds.

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Example Lettuce Leaf timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Lettuce Leaf

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Lettuce Leaf

    Around Jun 6

    ≈ 50 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Lettuce Leaf dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun to partial shade, 6-8 hours of direct sunlight daily
💧
Water: Keep soil consistently moist but not waterlogged. Water deeply when top inch of soil is dry. More frequent watering needed in hot weather and containers.
📏
Spacing: 12 inches
📅
Days to maturity: 50-70 days
🌱
Planting depth: 0.25 inches (barely cover seeds)

Soil

Type: Well-draining, fertile loamy soil
pH: 6.0-7.0
Amendments:
Compost Aged manure Perlite for drainage Mulch to retain moisture

Growing Zones

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Thrives in zones 5-10; grows as annual in cooler zones, perennial in warmest zones

3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b

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Growth Stages

1

Germination & Seedling

2-3 weeks

Seeds sprout within 5-10 days. Tiny cotyledons emerge, followed by first true leaves with distinctive ruffled edges.

Keep soil warm (70-75°F) and consistently moist. Provide bright light immediately after sprouting to prevent leggy growth. Thin seedlings to proper spacing.

2

Vegetative Growth

3-4 weeks

Plant develops bushy form with increasingly large, ruffled lettuce-like leaves. Stem thickens and branching increases.

Pinch off top leaf pairs to encourage bushier growth. Water regularly and fertilize every 2-3 weeks with balanced liquid fertilizer. Ensure adequate light to prevent stretching.

3

Leaf Development & Maturation

3-4 weeks

Large, tender leaves with prominent ruffles fully develop. Plant reaches maximum bushy size with abundant foliage.

Begin regular harvesting of outer leaves to encourage continuous production. Maintain consistent moisture and continue fertilizing. Avoid crowding with other plants.

4

Peak Production

2-4 weeks (or longer with consistent harvesting)

Plant is full and productive, generating abundant harvestable leaves. Foliage maintains its tender, delicate texture.

Harvest regularly by pinching off outer leaves. This extends productive season. Remove any flower buds immediately to maintain leaf quality and delay bolting.

5

Bolting & Flowering

1-2 weeks onward

Plant sends up flower spikes with small flowers. Leaves become smaller, tougher, and more peppery in flavor.

Once bolting begins, leaf quality declines. Harvest remaining leaves quickly or allow flowers to bloom for ornamental value and seed production. Plant typically ends productive season.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Sage Fennel Rosemary Heavy cabbage family plants (which compete for nutrients)

Common Pests

  • Hand-pick beetles in early morning, use row covers, or apply neem oil as last resort

  • Spray with strong water jet, release ladybugs, use insecticidal soap or neem oil

  • Increase humidity, spray with water, use neem oil, ensure adequate air circulation

  • Use yellow sticky traps, spray with neem oil, reflective mulch, encourage beneficial insects

  • and (Gastropoda)

    Hand-pick at night, use beer traps, diatomaceous earth barriers, remove mulch near base

Uses

🍳

Fresh Salads & Wraps

Culinary

The large, tender, ruffled leaves are perfect for fresh green salads, lettuce wraps, and garnishes. Their mild basil flavor complements vinaigrettes and light dressings beautifully. [source]

🍳

Pesto & Sauces

Culinary

Ideal for making basil pesto, though the mild flavor pairs well with lighter oils, nuts, and cheeses compared to traditional basil varieties. [source]

💊

Herbal Infusions & Tea

Medicinal

Basil leaves contain linalool and eugenol with potential anti-inflammatory and antioxidant properties. Fresh or dried leaves can be steeped into soothing herbal tea. [source]

🏠

Fresh Flower Arrangements

Household

The large, decorative ruffled foliage and delicate flowers make Lettuce Leaf basil attractive for fresh flower and foliage arrangements indoors or as table decorations. [source]

🦋

Pollinator Attractant

Wildlife

When allowed to flower, the delicate blooms attract bees, butterflies, and other beneficial pollinators to the garden. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Begin harvesting when leaves are 4-6 inches long, typically 50-70 days after planting. Pinch off outer leaves regularly to encourage bushy growth and continuous production. Harvest in early morning for best flavor and texture. Remove flower buds as they form to extend the productive season. Can be harvested as a whole plant by cutting just above soil line, or by individual leaf picking for continuous harvest. Tender young leaves are best for fresh eating; older leaves become tougher.

Fun Facts

  • 🌱 Lettuce Leaf basil's large, ruffled leaves can grow up to 3 inches across, making it one of the largest-leafed basil varieties—resembling romaine lettuce more than traditional basil.
  • 🌱 Unlike many basil varieties, Lettuce Leaf basil has a noticeably milder, more delicate flavor profile, making it an excellent introduction to basil for those intimidated by stronger herbal tastes.
  • 🌱 In some regions, Lettuce Leaf basil is called 'Mammoth basil' or 'Crinkled basil' due to its oversized, heavily textured foliage that stands out dramatically in garden beds.

Gardening Terms

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

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