Arabis

Description:

Arabis is a genus of flowering plants in the family Brassicaceae, commonly known as rockcress or wallcress. The name Arabis comes from the Greek word “arabos,” which means “of Arabia.” The genus comprises around 120 species of annuals, biennials, and perennials that are native to Europe, Asia, and North America.

Taxonomic Information:

Appearance:

Arabis plants have a low-growing habit and typically reach a height of 6-18 inches (15-45 cm). The leaves are typically lance-shaped or oval, with a toothed or lobed margin. The flowers are small, four-petaled, and white, pink, or purple in color. The bloom period varies depending on the species and can occur in spring, summer, or fall.

Care Guide:

Water: Arabis plants prefer well-draining soil that is kept consistently moist.

Fertilization: Fertilize Arabis plants once a month during the growing season with a balanced fertilizer.

Soil: Arabis plants prefer well-draining soil with a slightly acidic pH between 6.0-7.0.

Sunlight: Arabis plants prefer full to partial sun exposure.

Hardiness Zones: Most Arabis species are hardy in USDA zones 4-9.

Common Pests & Diseases:

Arabis plants are relatively disease-resistant and not usually bothered by pests. However, they may be susceptible to fungal diseases like powdery mildew if they are grown in humid conditions.

Habitat:

Arabis plants are native to Europe, Asia, and North America and can be found in a variety of habitats, including rocky outcrops, meadows, and woodland edges.

Question and Answer:

Q: Are Arabis plants deer-resistant?

A: Yes, Arabis plants are generally deer-resistant.

Q: Can Arabis plants be grown in containers?

A: Yes, Arabis plants can be grown in containers as long as they have well-draining soil and receive adequate sunlight and moisture.

Q: How often should Arabis plants be watered?

A: Arabis plants prefer consistently moist soil, so they should be watered whenever the top inch of soil feels dry to the touch.

Q: When is the best time to plant Arabis?

A: The best time to plant Arabis is in the spring or fall when temperatures are cooler and there is more moisture in the soil.

Related Plants:

• Brassica
• Erysimum
• Iberis
• Sisymbrium

References:

• Dirr, M. A. (2011). Manual of woody landscape plants: their identification, ornamental characteristics, culture, propagation and uses. Stipes Publishing.
• Huxley, A., & Griffiths, M. (1992). The new Royal Horticultural Society dictionary of gardening. Macmillan.
• Stearn, W. T. (1992). Botanical Latin: history, grammar, syntax, terminology and vocabulary. Timber Press.