Introduction

Mother-in-law tongue plants, also known as snake plants, are popular houseplants that are usually well-behaved. However, one variety, called Sansevieria hyacinthoides, can become invasive in certain areas. This article will explain how to identify and control invasive mother-in-law tongue plants.

Identifying Invasive Mother-in-Law Tongue Plants

The invasive variety of mother-in-law tongue plant, Sansevieria hyacinthoides, has escaped cultivation in Florida and become a nuisance in coastal areas. It is native to tropical Africa and was introduced to the United States as an ornamental plant.

Controlling Invasive Mother-in-Law Tongue Plants

Unfortunately, controlling invasive mother-in-law tongue plants is difficult. No products are currently approved for use against them in the United States, and experiments with toxic chemicals have been largely ineffective.

The most effective way to remove small stands of invasive mother-in-law tongue plants is by hand pulling or digging. Remove the plants when they are young and the rhizomes (underground stems) are not deep. Always remove the plants before they have time to bloom and produce seeds.

Weeding is easier if the ground is slightly moist. Be sure to remove the entire plant, including the rhizomes, as even small pieces of the plant left in the ground can take root and grow new plants. Dress appropriately and watch for snakes and spiders, which are commonly found in snake plant thickets.

Persistence is key when controlling invasive mother-in-law tongue plants. Keep a careful watch on the area and pull new plants as soon as they emerge. Total control may take two or three years, even with diligent effort. Large stands may require mechanical removal.

Preventing the Spread of Invasive Mother-in-Law Tongue Plants

To prevent the spread of invasive mother-in-law tongue plants, avoid planting them in areas where they could escape cultivation. Properly dispose of plant cuttings and seeds to prevent them from spreading to new areas.

Environmental Impacts of Invasive Mother-in-Law Tongue Plants

Invasive mother-in-law tongue plants can have negative environmental impacts. They can choke out native vegetation, reducing biodiversity and disrupting ecosystems. They can also form dense thickets that block sunlight and make it difficult for other plants to grow.

Conclusion

Invasive mother-in-law tongue plants can be a nuisance in certain areas. By following the tips in this article, you can help to control and prevent the spread of these invasive plants.