Glandularia

Description

Glandularia is a genus of herbaceous flowering plants that belongs to the Verbenaceae family. Formerly known as verbena, Glandularia is native to the Americas and is widely cultivated as ornamental plants. They are loved for their abundance of colorful and fragrant flowers that bloom in clusters from summer to fall.

Taxonomic Information

Appearance

Glandularia plants have a mounding growth habit and can grow up to 1-2 feet in height and 2-3 feet in width. They have dark green, toothed leaves that are arranged in opposite pairs along the stem. The flowers of Glandularia come in a variety of colors, including pink, purple, red, white, and bi-colors. The flowers are small and tubular in shape, and are arranged in clusters on top of the stems.

Care Guide

Glandularia plants are easy to care for and require minimal maintenance. Here are some tips for caring for your Glandularia:

• Water: Water your Glandularia regularly, but avoid overwatering as they prefer well-drained soil.
• Fertilization: Fertilize your Glandularia once a month during the growing season with a balanced fertilizer.
• Soil: Glandularia plants prefer well-drained soil that is rich in organic matter.
• Sunlight: Glandularia plants prefer full sun to partial shade.
• Hardiness Zones: Glandularia plants are hardy in zones 9-11, but can also be grown as annuals in cooler climates.

Common Pests & Diseases

Glandularia plants are relatively pest and disease resistant, but they can still be susceptible to a few common issues. Some of the most common pests and diseases that can affect Glandularia plants include:

• Aphids: These small, soft-bodied insects can cluster on the leaves and stems of Glandularia and suck the sap from the plant. They can be controlled with insecticidal soap or neem oil.
• Spider Mites: These tiny pests can cause yellowing and stippling on the leaves of Glandularia. They can be controlled with insecticidal soap or neem oil.
• Fungal Diseases: Glandularia plants can be susceptible to fungal diseases such as powdery mildew and botrytis. These can be controlled with fungicides and by practicing good plant hygiene.

Habitat

Glandularia plants are native to the Americas and can be found in a variety of habitats, including prairies, savannas, and open woodlands. They prefer well-drained soil and full sun to partial shade.

Question and Answer

Q: Can I grow Glandularia in a container?

A: Yes, Glandularia plants can be grown in containers as long as they have well-drained soil and receive enough sunlight.

Q: How often should I fertilize my Glandularia?

A: Fertilize your Glandularia once a month during the growing season with a balanced fertilizer.

Q: How do I propagate Glandularia?

A: Glandularia can be propagated through stem cuttings taken in the spring or fall. Dip the cuttings in rooting hormone and plant them in well-drained soil.

Q: Are Glandularia plants toxic to pets?

A: Glandularia plants are not toxic to pets, but it is always a good idea to keep pets from eating any plant material.

Related Plants

• Verbena
• Phlox
• Lantana
• Salvia

References

• https://www.gardeningknowhow.com/ornamental/flowers/glandularia/growing-glandularia-plants.htm
• https://www.bhg.com/gardening/plant-dictionary/annual/glandularia/
• https://www.gardenia.net/plant-variety/glandularia-verbena