Updated: July 22, 2023

Basil is a popular herb known for its aromatic leaves and versatile use in various cuisines. While it is commonly grown indoors, growing basil plants outdoors can provide you with a bountiful supply of fresh basil throughout the growing season. This article will guide you through the steps to successfully grow a living basil plant outdoors.

Selecting the Right Location

The first step in growing basil plants outdoors is to find the right location. Basil requires at least six hours of direct sunlight each day, so choose a spot in your garden that receives ample sunlight. Additionally, ensure that the location has well-draining soil to prevent waterlogged roots.

Preparing the Soil

Before planting your basil, it is essential to prepare the soil properly. Start by removing any weeds or debris from the area where you plan to grow your basil. Then, loosen the soil with a garden fork or tiller to improve drainage and allow air circulation. Incorporate organic matter such as compost or aged manure into the soil to enrich it with nutrients.

Planting Basil Seeds

Basil can be grown from seeds or seedlings. If you choose to start from seeds, sow them directly into the prepared soil after the last frost date in your area. Scatter the seeds evenly on the soil surface and lightly cover them with a thin layer of soil or compost. Water gently to ensure that the seeds make good contact with the soil.

Transplanting Basil Seedlings

If you prefer to start with seedlings, you can purchase them from a local nursery or grow them indoors and transplant them later. When transplanting basil seedlings, make sure that all danger of frost has passed and the temperature consistently stays above 50°F (10°C). Dig a hole slightly larger than the root ball of each seedling and carefully place it into the hole. Fill in the gaps with soil and gently firm it around the base of the plant. Water thoroughly after transplanting to settle the soil around the roots.

Watering and Fertilizing

Basil plants require regular watering to thrive, especially during dry spells. Water deeply and consistently, ensuring that the soil remains evenly moist but not waterlogged. Avoid overhead watering, as wet foliage can increase the risk of diseases.

To promote healthy growth, fertilize your basil plants every 4-6 weeks during the growing season. Use a balanced organic fertilizer or a slow-release granular fertilizer. Follow the package instructions for application rates and methods.

Pruning and Harvesting

Pruning is an essential part of growing basil plants outdoors. Regular pruning helps promote bushier growth and prevents the plants from becoming leggy or top-heavy. Pinch off the top sets of leaves when the plant reaches about six inches in height. This encourages lateral branching and leads to a fuller plant.

When it comes to harvesting basil, you can begin picking leaves once the plant has grown several sets of true leaves. Snip off the leaves just above a pair of leaves or nodes to encourage new growth. Avoid removing more than one-third of the plant’s foliage at a time to ensure its continued vitality.

Pests and Diseases

Basil plants are relatively resistant to pests and diseases, but they can still fall victim to certain issues. Common pests that may attack basil include aphids, slugs, snails, and spider mites. Regularly inspect your plants for any signs of infestation and take appropriate measures such as using insecticidal soap or introducing beneficial insects to control the pests.

Fungal diseases like powdery mildew and downy mildew can affect basil plants, especially in humid conditions. To prevent these diseases, avoid overhead watering and provide adequate spacing between plants for air circulation. If necessary, apply a fungicide labeled for use on edible plants according to the package instructions.

Extending the Growing Season

If you live in an area with a shorter growing season, you can extend the life of your basil plants by using various techniques. One method is to cover the plants with a row cover or cloche to protect them from frost and cold temperatures. Additionally, you can bring potted basil indoors before the first frost and continue growing it on a sunny windowsill.

Conclusion

Growing basil plants outdoors can be a rewarding experience for any herb enthusiast. By selecting the right location, preparing the soil, and providing proper care, you can enjoy the flavor and aroma of fresh basil throughout the growing season. Follow the steps outlined in this article, and soon you’ll have a thriving basil plant that will elevate your culinary creations.