Updated: July 9, 2023

Lemongrass, also known as Cymbopogon, is a fragrant herb that adds a unique flavor to various dishes and beverages. It is commonly used in Asian cuisine and is prized for its citrusy aroma and taste. If you are a fan of lemongrass and want to have a fresh supply at your fingertips, consider growing your own lemongrass plant outdoors. In this article, we will guide you through the process of growing lemongrass in your garden.

Choosing the Right Variety

The first step in growing lemongrass outdoors is selecting the right variety. There are several types of lemongrass available, but the two most common ones are East Indian lemongrass (Cymbopogon flexuosus) and West Indian lemongrass (Cymbopogon citratus).

East Indian lemongrass is more suitable for tropical and subtropical regions, while West Indian lemongrass can tolerate cooler temperatures. Consider your climate before choosing the variety that best suits your location.

Preparing the Soil

Lemongrass thrives in well-draining soil with a pH level between 6.0 and 7.5. Before planting, prepare the soil by removing any weeds or grass from the area. Loosen the soil with a garden fork or tiller to ensure good drainage.

To improve soil fertility, you can add organic matter such as compost or well-rotted manure. This will provide essential nutrients to the lemongrass plant as it grows.

Planting Lemongrass

Lemongrass can be propagated from cuttings or purchased as established plants from nurseries or garden centers. If you choose to grow from cuttings, make sure they are at least 4-6 inches long and have a few nodes present.

To plant lemongrass, dig a hole that is slightly larger than the root ball or cutting. Place the lemongrass in the hole and backfill with soil, gently firming it around the plant. Water thoroughly after planting to help settle the soil.

Watering and Maintenance

Lemongrass requires regular watering to keep the soil consistently moist but not waterlogged. Water deeply once or twice a week, depending on the weather conditions and the moisture levels of your soil.

Mulching around the base of the plant can help retain moisture and suppress weed growth. Apply a layer of organic mulch such as straw or wood chips, keeping it a few inches away from the stem to prevent rotting.

Providing Adequate Sunlight

Lemongrass thrives in full sun, so make sure to choose a location in your garden that receives at least six hours of direct sunlight per day. Insufficient sunlight may result in weak growth and reduced flavor.

If you live in an area with hot summers, providing some afternoon shade can help protect the lemongrass from scorching. Consider planting it near taller plants or using shade cloth to create partial shade during the hottest part of the day.

Fertilizing Lemongrass

To ensure healthy growth and abundant foliage, it is important to fertilize lemongrass regularly. Use a balanced organic fertilizer or slow-release granules specifically formulated for herbs.

Apply fertilizer every four to six weeks during the growing season, following the manufacturer’s instructions for dosage and application methods. Avoid over-fertilizing, as this can lead to excessive leaf growth with little flavor.

Harvesting Lemongrass

Lemongrass can be harvested once it reaches a height of about 12-18 inches. To harvest, simply cut off the stalks at ground level using a sharp knife or pair of garden shears.

When harvesting, only take what you need and leave at least half of the plant intact. This will allow the plant to continue growing and producing more stalks for future harvests.

Overwintering Lemongrass

If you live in a region with cold winters, you will need to take steps to protect your lemongrass from frost damage. In late fall, before the first frost, cut back the foliage to about 6 inches above ground level.

Mulch heavily around the base of the plant with straw or wood chips to insulate the roots. Alternatively, you can dig up the lemongrass plants and store them in a cool, dry place like a basement or garage until spring.

Common Pests and Diseases

Lemongrass is generally resistant to most pests and diseases. However, some common issues that may arise include aphids, spider mites, and fungal diseases such as rust or leaf spot.

Regularly inspect your lemongrass plants for any signs of pests or diseases. If necessary, treat with organic insecticides or fungicides to prevent further damage.

Conclusion

Growing lemongrass outdoors can be a rewarding experience for any herb enthusiast. By following these simple steps, you can have a fresh supply of lemongrass to use in your cooking and enjoy its delightful fragrance in your garden. Remember to choose the right variety, provide adequate sunlight and water, and protect your plants during winter. With proper care and maintenance, your lemongrass plant will thrive and bring a touch of citrusy goodness to your outdoor space.