Contents
Description
Arabis Pycnocarpa is a species of flowering plant in the mustard family. It is native to the western United States, specifically in California, Oregon, and Washington. This plant is commonly known as the Spreading Rockcress or Spreading White Rockcress. It is a perennial herb that can grow up to 30 cm tall, with a spreading habit.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Arabis |
Appearance
Arabis Pycnocarpa has small, white flowers that bloom from March to June. The flowers are arranged in clusters at the ends of the stems. The leaves are green and oval-shaped, with a slightly toothed edge. The stems of this plant are thin and wiry, and they spread along the ground.
Care Guide
To care for Arabis Pycnocarpa, it is important to provide it with well-draining soil that is slightly alkaline. This plant prefers full sun to partial shade and requires moderate watering. Fertilization is not necessary, but it can be beneficial to add a slow-release fertilizer in the spring. This plant is hardy in USDA zones 5 to 9.
Common Pests & Diseases
Arabis Pycnocarpa is not typically affected by pests or diseases. However, it may be susceptible to aphids, which can be treated with insecticidal soap or neem oil.
Habitat
Arabis Pycnocarpa is commonly found in rocky or gravelly areas, such as cliffs, talus slopes, and dry streambeds. It is also found in open forests and meadows.
Question and Answer
Q: How often should I water Arabis Pycnocarpa?
A: This plant prefers moderate watering, so water it when the soil starts to feel dry to the touch.
Q: Can I grow Arabis Pycnocarpa in a container?
A: Yes, this plant can be grown in a container as long as it has well-draining soil and receives adequate sunlight.
Q: When is the best time to plant Arabis Pycnocarpa?
A: The best time to plant this plant is in the fall or early spring, as it prefers cooler temperatures and moist soil.
Q: How long does Arabis Pycnocarpa live?
A: This plant is a perennial, which means it can live for several years with proper care.
Related Plants
- Arabis blepharophylla
- Arabis caucasica
- Arabis ferdinandi-coburgii
- Arabis glabra
References
- USDA Plants Database: Arabis Pycnocarpa
- Washington Native Plant Society: Arabis Pycnocarpa
- OregonFlora: Arabis Pycnocarpa
