Updated: June 28, 2023

Shrimp plants (Justicia brandegeana), also known as Mexican shrimp plants, are beautiful flowering plants that can add a touch of tropical flair to any garden in Texas. Native to Mexico and Central America, shrimp plants are well-suited to the warm and humid climate found in many parts of the Lone Star State. With their vibrant flowers and attractive foliage, these plants are sure to be a standout in your outdoor space. In this article, we will discuss everything you need to know about growing shrimp plants in Texas outdoors.

Choosing the Right Location

Before planting shrimp plants outdoors, it’s important to select the right location. These plants thrive in partial shade, so choose an area that receives a few hours of direct sunlight each day, preferably in the morning or late afternoon. Avoid planting them in full sun, as this can cause the leaves to burn. Shrimp plants also prefer well-draining soil, so make sure the planting area has good drainage.

Planting Shrimp Plants

When it comes to planting shrimp plants, you have two options: starting from seeds or transplanting established plants. Starting from seeds can be a bit more challenging and time-consuming, so many gardeners opt for transplanting young shrimp plant seedlings instead.

To transplant shrimp plant seedlings, dig a hole that is slightly larger than the root ball of the plant. Place the seedling in the hole and backfill with soil, gently pressing down to remove any air pockets. Water thoroughly after planting to help settle the soil around the roots.

Watering and Fertilizing

Shrimp plants require regular watering, especially during dry periods. Aim to keep the soil consistently moist but not waterlogged. Water deeply at least once a week, allowing the top inch of soil to dry out between waterings.

Fertilizing shrimp plants is also important for promoting healthy growth and abundant flowering. Use a balanced, slow-release fertilizer in early spring, following the package instructions for application rates. Repeat the fertilization process every six to eight weeks during the growing season.

Pruning and Maintenance

Pruning shrimp plants is essential for maintaining their shape and promoting continuous blooming. Deadhead spent flowers regularly to encourage new blooms. You can also prune back the plant by one-third in early spring to promote bushier growth.

Regularly inspect your shrimp plants for pests such as aphids, spider mites, or whiteflies. If you notice any infestation, treat the affected plants with an appropriate insecticide or use natural pest control methods like neem oil or insecticidal soap.

Overwintering Shrimp Plants

In Texas, where winters can be mild, shrimp plants can often survive outdoors year-round. However, if you live in an area that experiences frost or freezing temperatures, it’s best to take some precautions to protect your shrimp plants during winter.

Before the first frost, cut back your shrimp plants to about six inches above the ground. Apply a layer of mulch around the base of the plant to provide insulation and help retain moisture in the soil. If frost is expected, cover the plants with a frost cloth or blanket overnight.

Propagating Shrimp Plants

Shrimp plants can be easily propagated through stem cuttings. To do this, select a healthy stem and make a clean cut just below a node (where a leaf is attached). Remove any leaves from the lower half of the cutting and dip the cut end into rooting hormone powder. Plant the cutting in moist potting soil and place it in a warm, bright location.

Keep the soil consistently moist and mist the cutting with water to increase humidity levels. In a few weeks, roots should start to form, indicating that the cutting has successfully rooted. Once rooted, you can transplant the cutting into a larger pot or directly into your garden.

Conclusion

Growing shrimp plants outdoors in Texas can be a rewarding experience. With their vibrant flowers and attractive foliage, these plants are sure to add a touch of tropical beauty to your garden. Just remember to choose a suitable location with partial shade, provide regular watering and fertilization, and perform routine maintenance tasks such as pruning and pest control. By following these tips, you’ll be well on your way to growing healthy and thriving shrimp plants in your Texas garden.