Nemesia

Description

Nemesia is a genus of flowering plants in the family Plantaginaceae, commonly known as nemesias. Native to South Africa, these herbaceous annuals and perennials have attractive and fragrant flowers that bloom in a wide range of colors, including white, yellow, orange, pink, red, and purple. Nemesias are popular garden plants, prized for their long-lasting blooms and low maintenance requirements.

Taxonomic Information

Appearance

Nemesias have small, oval-shaped leaves that are typically green or gray-green in color. The flowers are borne on long, slender stems and have a tubular shape with two lips. They can range in size from 1/2 inch to 1 inch in diameter, depending on the species. The flowers come in a variety of colors, including white, yellow, orange, pink, red, and purple, often with contrasting markings or blotches.

Care Guide

Nemesias are easy to grow and care for, making them a popular choice for gardeners of all skill levels. Here are some tips to help you keep your nemesias healthy and thriving:

Water

Nemesias prefer moist, but well-drained soil. Water them regularly, but be careful not to overwater, as this can lead to root rot. Allow the soil to dry out slightly between waterings.

Fertilization

Fertilize your nemesias every two to three weeks during the growing season with a balanced fertilizer. Avoid over-fertilizing, as this can lead to excessive foliage growth and fewer flowers.

Soil

Nemesias prefer well-drained soil that is rich in organic matter. A sandy loam soil is ideal. If your soil is heavy or clay-like, amend it with compost or peat moss to improve drainage.

Sunlight

Nemesias prefer full sun to partial shade. They will tolerate some shade, but too much shade can lead to leggy growth and fewer flowers.

Hardiness Zones

Nemesias are hardy in USDA zones 9-11. In colder climates, they can be grown as annuals or in containers that can be brought indoors during the winter months.

Common Pests & Diseases

Nemesias are generally pest and disease resistant, but they can be susceptible to spider mites, aphids, and powdery mildew. Keep an eye out for any signs of infestation or disease, and treat promptly with an appropriate insecticide or fungicide.

Habitat

Nemesias are native to South Africa, where they grow in a variety of habitats, including grasslands, scrublands, and rocky outcrops. They prefer well-drained soil and full sun to partial shade.

Question and Answer

Q: Are nemesias deer resistant?

A: Yes, nemesias are generally deer resistant.

Q: Can nemesias be grown in containers?

A: Yes, nemesias can be grown in containers. Just be sure to choose a pot with good drainage and use a well-draining potting mix.

Q: How often should nemesias be fertilized?

A: Nemesias should be fertilized every two to three weeks during the growing season with a balanced fertilizer.

Q: How tall do nemesias grow?

A: Nemesias can range in height from 6 inches to 2 feet, depending on the species.

Related Plants

• Veronica
• Penstemon
• Linaria
• Antirrhinum
• Erysimum

References

• “Nemesia.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=279621.
• “Nemesia.” PlantZAfrica, www.plantzafrica.com/plantnop/nemesia.htm.
• “Nemesia.” Royal Horticultural Society, www.rhs.org.uk/plants/19126/nemesia/details.