SproutSmart
SproutSmart Intelligent Garden Sowing

Lemon Basil

Family: Lamiaceae Herb

Planting Schedule

Add Lemon Basil to your garden to build a schedule and get reminders.

Sunlit and unmistakably fragrant, Lemon Basil unfurls with bright, citrusy perfume that rises from every leaf—cool lemon zest woven through classic basil sweetness.

The foliage is tender and velvety, with a lively, medium-green sheen and a softly serrated edge that stays lush through the season. Grow it for its aromatic leaves in fresh, bright applications and for stirring into herb-forward sauces, finishing oils, and quick pickling blends where its lemony lift shines.

Light: Full SunMaturity: 55 DaysHabit: Upright

Botanical illustration of Lemon Basil

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

MilestoneDate
Start IndoorsMar 14th
Last FrostApr 25th
Transplant / Sow OutdoorsMay 9th
Harvest BeginsJul 3rd
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity55
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)10

Culinary Notes


Chef's Note

This is basil for people who want citrus in the room—its leaves go from sweet-herb to lemon-zest the moment you tear them, so keep it as a finisher or fast blend. Use it where aroma matters (off-heat oils, quick pickles, yogurt/cheese), because prolonged heat turns that lemon lift dull.

Best Uses

  • tear-and-mix into summer salads right before serving
  • stir into soft cheeses and yogurt for a citrusy herb spread
  • flash-blend into herb pesto (for a lemony, less-garlicky green sauce)
  • finish hot dishes with chopped leaves off-heat and let the steam bloom the aroma
  • quick pickle or salt-draw with lemon basil to make a sharp, fragrant condiment

Flavor Profile

bright lemon-citrus perfume classic basil sweetness tender, velvety leaves that bruise fragrant clean, zesty aromatic finish

Kitchen Pairings

extra-virgin olive oil garlic lemon juice parmesan mozzarella chicken

Frequently Asked Questions


What pest or disease commonly affects Ocimum basilicum (lemon basil), and how can I manage it at home?
Lemon basil commonly gets downy mildew and can show basil blight spots, especially with cool, humid nights and wet leaves. Water basil at the soil line in the morning, space plants for airflow, and remove any spotted leaves promptly; if new spotting keeps appearing, switch to a label-appropriate organic fungicide and repeat as directed. Watch also for aphids and whiteflies under leaves—blast them off with water and use insecticidal soap if populations persist.
How often should I water lemon basil (Ocimum basilicum) during active growth?
During the main growing phase, keep the top 1 inch of soil evenly moist but not soggy—typically watering every 2–3 days in warm weather, then less often as temperatures drop. Ensure good drainage and avoid wetting the foliage because basil is prone to leaf diseases when leaves stay damp. A simple check: if the soil feels dry 1 inch down, water thoroughly until excess drains.
How do I know when lemon basil is ready to harvest?
Harvest when plants are about 6–8 inches tall (often around 45–60 days) and have formed multiple sets of true leaves. Take stems by snipping just above a pair of healthy leaves, which encourages bushy regrowth, and begin harvesting before flowering for the best leaf quality. If you see flower buds forming, harvest more frequently or pinch them off to keep leaves tender.