Hydrolea Zeylanica

Description

Hydrolea Zeylanica, also known as the Sri Lanka swamp plant or the velvetleaf, is a species of aquatic plant that belongs to the family of Hydroleaceae. It is a perennial herb that is native to the Indian subcontinent and Southeast Asia. The plant can grow up to 70 cm in height and has a spread of up to 90 cm. It has long, narrow leaves that are green in color and can grow up to 15 cm in length. The flowers are blue in color, and they bloom from July to September. The fruit is a capsule that contains many small seeds.

Taxonomic Information

Appearance

The Hydrolea Zeylanica plant has a unique appearance that sets it apart from other aquatic plants. It has long, narrow leaves that are green in color and can grow up to 15 cm in length. The leaves have a velvet-like texture, which is where the plant gets its common name, the velvetleaf. The flowers are blue in color and have five petals. They bloom from July to September and are about 2 cm in diameter. The fruit is a capsule that contains many small seeds.

Care Guide

Hydrolea Zeylanica is a relatively easy plant to care for, as long as you provide it with the right conditions. Here are some tips to help you care for your Hydrolea Zeylanica plant:

• Water: The plant requires consistent moisture, so it is best to keep the soil consistently moist. Avoid letting the soil dry out completely.
• Fertilization: Fertilize the plant once every two weeks during the growing season with a balanced, water-soluble fertilizer.
• Soil: The plant prefers a well-draining soil that is rich in organic matter. Use a soil mix that is specifically formulated for aquatic plants.
• Sunlight: Hydrolea Zeylanica thrives in full sun to partial shade. Provide at least 6 hours of sunlight each day.
• Hardiness Zones: The plant is hardy in USDA zones 8 to 11.

Common Pests & Diseases

Hydrolea Zeylanica is relatively pest and disease-free, but it can still be affected by some common problems. Here are some of the most common pests and diseases that can affect Hydrolea Zeylanica:

• Aphids: These small insects can cause stunted growth and yellowing of the leaves. Use insecticidal soap to control the infestation.
• Slugs and snails: These pests can eat holes in the leaves of the plant. Use a slug and snail bait to control the infestation.
• Root rot: Overwatering or poorly draining soil can lead to root rot. Remove affected plants and replace with new ones.

Habitat

Hydrolea Zeylanica is native to the Indian subcontinent and Southeast Asia, where it can be found growing in marshes, ponds, and other wetland areas. It prefers moist soil and can grow in both full sun and partial shade. The plant is hardy in USDA zones 8 to 11.

Question and Answer

Q: Can Hydrolea Zeylanica grow in a container?

A: Yes, Hydrolea Zeylanica can grow in a container as long as the container is large enough and filled with a well-draining soil mix that is specifically formulated for aquatic plants.

Q: How often should I fertilize my Hydrolea Zeylanica plant?

A: Fertilize the plant once every two weeks during the growing season with a balanced, water-soluble fertilizer.

Q: Can I grow Hydrolea Zeylanica indoors?

A: Hydrolea Zeylanica prefers to grow outdoors in full sun to partial shade. However, it can be grown indoors in a bright location with at least 6 hours of sunlight each day.

Q: Can Hydrolea Zeylanica survive in cold temperatures?

A: No, Hydrolea Zeylanica is not cold hardy and cannot survive in temperatures below freezing.

Related Plants

• Hydrolea corymbosa
• Hydrolea quadrivalvis
• Hydrolea ovata
• Hydrolea uniflora

References

• CABI. (2021). Hydrolea zeylanica (Sri Lanka swamp plant). In CABI Invasive Species Compendium. Wallingford, UK: CAB International. https://www.cabi.org/isc/datasheet/28855
• Gilman, E. F. (1999). Hydrolea zeylanica. University of Florida IFAS Extension. https://hort.ifas.ufl.edu/database/documents/pdf/shrub_fact_sheets/hydzeya.pdf
• USDA. (n.d.). Hydrolea zeylanica. Plants Database. https://plants.usda.gov/home/plantProfile?symbol=HYZE