Kaffir Lime

Family: Rutaceae Fruit

Aromas leap first—bright, unmistakably zesty Kaffir lime fragrance with a cool, green lift that perfumes the air as the leaves brush the light.

The fruit delivers a sharp, intensely aromatic tang and a deeply fragrant peel, while the foliage remains evergreen and glossy, offering a lush, ornamental presence year-round. Grow Kaffir lime for its signature flavor-forward zest and its prized, aromatic leaves—ideal for infusing bold, fragrant preparations and for preserving that citrus perfume in every jar.

Light: Full SunMaturity: 365 DaysHabit: Shrub

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

Crop Dates

Growing note: Zone 6b has only 174 frost-free days — shorter than this crop's 365-day maturity. Outdoor planting is not viable; use protected cultivation.

Milestone	Date
Last Frost	Apr 25th
Growing Approach	Protected Environment Only

Crop Details

Trait	Value
Days to Maturity	365
Sun Requirements	Full Sun
Growth Habit	Shrub
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	75
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

Kaffir lime is all about aroma first—its peel and leaves bring a cool, green citrus perfume that cuts through coconut and fried fats without tasting harsh. Keep the zest and leaf in the hot perfume zone (simmer/infuse), then finish with a light hand so the fragrance stays sharp, not bitter.

Best Uses

Thai-style curry pastes and simmered coconut sauces
fine-grated peel as a finishing perfume (use sparingly, then build)
lime-leaf–driven infusions: soups, broths, and rice steaming water
quick pickles or salted preserves where the aroma needs to hold in a jar

Flavor Profile

sharp, intensely aromatic lime tang strong green/cool citrus perfume from peel fragrant, almost floral-herbal lift from leaves high-acid brightness that wakes up fats

Kitchen Pairings

coconut milk lemongrass ginger fish sauce chili brown sugar

Frequently Asked Questions

What’s the most common disease or pest on Citrus hystrix (Kaffir lime), and how do I treat it?

Kaffir lime commonly suffers from citrus leaf miners and sooty mold that follows scale insects. Check the undersides of young leaves weekly; if you see blistered mines or sticky honeydew with black sooty buildup, prune heavily infested tips and treat with horticultural oil or insecticidal soap (especially on the undersides), repeating every 7–10 days until new growth is clean.

How often should I water Citrus hystrix during the main growing season, and what soil moisture level should I keep?

During active growth, water to keep the root zone evenly moist but never waterlogged—aim for the top 1–2 inches of soil to dry slightly between waterings. In warm weather, this is often every 2–4 days in containers (more in heat, less in cool periods) and about once per week for in-ground plants, then adjust based on rainfall and whether leaves look dull or droop.

How can I tell when Kaffir lime (Citrus hystrix) is ready to harvest?

Harvest leaves when they are mature and fragrant—look for fully expanded, dark green leaves with a strong citrus aroma; young pale leaves are usable but less aromatic. Fruits (if you grow for fruit) are typically ready when they turn yellow-green and feel slightly softened compared with hard, green immature fruit; pick a few first to confirm fragrance and acidity for your preference.

Kaffir Lime

Planting Schedule

Crop Dates

Crop Details

Culinary Notes

Frequently Asked Questions