Lemon Basil

Lemon Basil: A Refreshing Herb with Citrus Appeal

Lemon basil (Ocimum basilicum var. citriodorum) is a fragrant and flavorful herb prized for its bright, citrusy aroma and distinctive tangy taste. A hybrid of sweet basil and African basil, this variety is celebrated for its versatility in culinary applications and its ability to thrive in diverse growing conditions. Lemon basil stands apart from other types of basil due to its refreshing lemon scent, which comes from its high concentration of citral and limonene compounds. Its unique flavor profile makes it an exceptional choice for dishes that benefit from a zesty twist.

The plant is characterized by slender, light green leaves and a slightly smaller, more delicate structure compared to traditional sweet basil. Lemon basil also produces white or pale purple flowers, making it a visually appealing addition to herb gardens. Its compact growth habit makes it suitable for container gardening, raised beds, or even hydroponic systems, where it thrives with proper light and nutrient care.

In the kitchen, lemon basil shines as a versatile ingredient that complements both savory and sweet dishes. Its citrus notes make it a natural pairing for seafood recipes, where it enhances the freshness of fish, shrimp, and scallops. It is often used in marinades, vinaigrettes, and herb-infused oils to add a bright, tangy flavor. Beyond savory dishes, lemon basil also elevates desserts, such as sorbets, fruit salads, and baked goods, offering a unique twist to traditional recipes. In beverages, lemon basil is a popular choice for infusing teas, cocktails, and lemonades, providing a refreshing and aromatic touch.

Beyond its culinary appeal, lemon basil holds traditional uses in herbal medicine. Its citrus-rich essential oils are believed to possess antimicrobial and anti-inflammatory properties. It is sometimes used in natural remedies to promote relaxation, improve digestion, and uplift mood. These properties have also made lemon basil a common ingredient in homemade skincare products, such as soaps and lotions.

Growing lemon basil is relatively easy and rewarding for gardeners. The plant thrives in warm, sunny climates and requires well-draining soil or a hydroponic setup with consistent nutrient delivery. Regular pruning encourages bushier growth and prevents flowering, which can alter the flavor of the leaves. Lemon basil is also a great companion plant in gardens, as its strong citrus aroma deters pests like aphids and whiteflies.

Lemon basil is an exceptional herb for those seeking a fresh, citrus-infused flavor in their cooking or beverages. Whether it’s used to elevate a seafood dish, create a refreshing herbal tea, or add a burst of fragrance to the garden, lemon basil is a versatile and delightful addition to any kitchen or home. Its unique combination of zesty aroma, culinary versatility, and ease of cultivation makes it a favorite among chefs, gardeners, and herb enthusiasts.

Growing Lemon Basil in a Kratky Jar

Lemon basil grows well in a Kratky jar, the simple hydroponic method that needs no pump or electricity. The plant sits in a net cup, and its roots reach down into nutrient solution in a jar. As the plant uses water, the level drops and an air gap opens above the water. The upper roots breathe in that gap while the lower roots keep drinking, so the plant gets both water and air from one passive setup.

Start lemon basil from seed in rockwool or from a cutting rooted in plain water. Lemon basil roots from cuttings easily, like other basil. When roots are a couple of inches long, move the plant into a net cup in a jar. Fill the jar so the water just touches the bottom of the cup at first, then let it fall as the plant grows.

Caring for Lemon Basil

  • Light: Lemon basil needs bright light. A sunny window works, and a grow light helps through winter. The citrus scent is strongest in a healthy, well-lit plant.
  • Warmth: It is frost-tender. Keep it warm, around 70 to 85°F, away from cold glass and drafts.
  • Jar: Wrap the jar in foil or use an opaque container so light does not reach the water and grow algae.
  • Nutrients: Use a balanced hydroponic nutrient at the strength on the label and keep the pH between 5.5 and 6.5. See our basil growing tips for more on feeding.

Picking Lemon Basil for the Best Flavor

Lemon basil leaves are more delicate than sweet basil leaves, so pick them as you need them and use them fresh. Heat dulls the citrus note, so stir the leaves in at the end of cooking, or use them raw in salads, fruit bowls, drinks and dressings. Pinch off flower buds early to keep the plant making leaves. Cut just above a pair of leaves, as shown in our guide to pruning basil, and the plant will branch and stay compact.

Lemon Basil Next to Other Varieties

Lemon basil has a light, bright scent that is very different from purple basil, which is mild and slightly peppery, and from Thai basil, with its anise flavor. Growing two or three kinds in separate jars lets you compare their flavor, growth speed and appearance side by side. Our page on all basil varieties will help you pick which to try first, and the basil uses and recipes page has ideas for using them in the kitchen.