How to Grow Lettuce Leaf Basil
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Lettuce Leaf Basil
Ocimum basilicum var. crispum
herbLettuce leaf basil is a distinctive variety of sweet basil characterized by its large, crinkled, lettuce-like leaves that are broader and more textured than standard basil. It offers a milder, slightly anise-like flavor compared to common basil and is prized for both culinary and ornamental qualities. The plant grows bushy and compact, making it ideal for containers and garden beds.
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Example Lettuce Leaf Basil timeline · Pittsburgh, PA (Zone 6b)
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Plant Lettuce Leaf Basil
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Lettuce Leaf Basil
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Lettuce Leaf Basil dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 5-10; grow as annual in colder climates
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Seedling
10-14 daysTiny true leaves emerge after germination, with delicate cotyledons visible. Plant is very tender and vulnerable.
Maintain consistent moisture and warmth (70-75°F). Provide bright indirect light indoors. Thin seedlings to prevent crowding.
Vegetative Growth
3-4 weeksCharacteristic large, crinkled lettuce-like leaves develop. Plant becomes bushier as side shoots emerge. Leaves are soft and bright green.
Pinch out the growing tip when plant reaches 6 inches to encourage bushy growth. Keep soil consistently moist. Begin harvesting outer leaves to stimulate growth.
Flowering
2-3 weeks (if allowed to occur)Small white or pale purple flower spikes develop at stem tips. Leaves may become slightly tougher and flavor may intensify or become bitter.
Pinch off flower buds to extend leaf production and maintain tender foliage quality. If allowing to flower for seed, reduce watering slightly.
Peak Harvest
4-8 weeksPlant is full, bushy, and producing abundant large leaves continuously. This is the optimal stage for leaf quality and quantity.
Harvest outer leaves regularly to encourage continuous production. Water consistently. Fertilize every 2-3 weeks with balanced fertilizer.
Senescence (End of Season)
Varies by climate; typically late summer onwardPlant growth slows, leaves may yellow, and flowering increases as plant goes to seed. Productivity declines.
In cool climates, this occurs with first frost. In warm climates, provide afternoon shade to extend season. Consider replanting for succession harvest.
Common Pests
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Hand-pick in early morning; use neem oil spray; encourage beneficial insects like parasitic wasps
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Spray with strong water stream; apply insecticidal soap or neem oil; introduce ladybugs or lacewings
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Increase humidity by misting; spray with neem oil; prune heavily infested leaves
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Use yellow sticky traps; spray neem oil on undersides of leaves; encourage parasitic wasps
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and
Hand-pick; use copper tape around containers; apply diatomaceous earth; set beer traps
Uses
Fresh Salads & Wraps
CulinaryThe large, tender lettuce-like leaves are perfect for fresh salads, sandwich wraps, and spring rolls. They provide a milder, more delicate basil flavor compared to standard varieties. [source]
Pesto & Sauces
CulinaryUse leaves to make creamy basil pesto, Thai-style basil sauces, and compound butters. The larger leaves produce more volume of sauce with less processing. [source]
Herb Tea
CulinaryFresh or dried leaves make a soothing herbal tea with mild anise notes and a subtle mint-like quality. Aids digestion and provides antioxidants. [source]
Anti-inflammatory Properties
MedicinalBasil contains eugenol and linalool, compounds with documented anti-inflammatory and antibacterial properties. Traditionally used in Ayurvedic and Chinese medicine. [source]
Natural Air Freshener
HouseholdFresh basil leaves release aromatic volatile oils that naturally freshen indoor air. Dried leaves can be used in sachets and potpourri. [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 outer leaves once plant reaches 6-8 inches tall. Pinch off the top 1-2 inches of stems to encourage branching and fuller growth. Harvest in the morning after dew dries for best flavor and shelf life. Regular harvesting (2-3 times weekly) promotes continuous leaf production and delays flowering. Continue harvesting until plant flowers or temperatures drop below 50°F. Leaves are best when young and tender; older leaves may become bitter.
Fun Facts
- 🌱 Lettuce leaf basil is sometimes called 'Napoleon basil' and is particularly popular in Italian and Mediterranean cuisines for its decorative appearance and mild flavor.
- 🌱 Basil's essential oils, including linalool and eugenol, are the same compounds found in anise, clove, and bay laurel, explaining its aromatic characteristics.
- 🌱 Unlike many herbs, basil actually performs better when regularly harvested; pinching back the plant encourages more leaf production and delays the onset of flowering and seed production.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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