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Description
Erysimum Asperum, commonly known as Western Wallflower, is a flowering plant belonging to the Brassicaceae family. It is a biennial or perennial plant that can grow up to 30 inches tall and 12 inches wide. The plant is native to western North America and is found in various habitats, including meadows, rocky slopes, and open forests. The flowers of Erysimum Asperum are fragrant and come in shades of yellow, orange, and red. The plant blooms from late spring to early summer.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Erysimum |
Appearance
Erysimum Asperum has narrow, lance-shaped leaves that are green and slightly hairy. The plant produces tall, slender stems that are covered in small, fragrant flowers. The flowers are four-petaled and can come in shades of yellow, orange, and red. They are arranged in clusters at the end of the stems and bloom from late spring to early summer. The plant can grow up to 30 inches tall and 12 inches wide.
Care Guide
For optimal growth, Erysimum Asperum requires well-draining soil and full sun exposure. The plant is drought-tolerant and only requires occasional watering. However, it is important to ensure that the soil does not completely dry out. Fertilization can be done in the early spring using a balanced fertilizer. The plant is hardy in USDA zones 5 to 9.
Common Pests & Diseases
Erysimum Asperum is generally not susceptible to many pests or diseases. However, it may be attacked by aphids, slugs, or snails. These pests can be controlled using insecticidal soap or by handpicking. The plant may also develop root rot if it is grown in poorly-draining soil or overwatered.
Habitat
Erysimum Asperum is native to western North America and is found in various habitats, including meadows, rocky slopes, and open forests. It prefers well-draining soil and full sun exposure. The plant is also commonly grown in gardens as an ornamental plant.
Question and Answer
Q: Is Erysimum Asperum an annual or perennial plant?
A: Erysimum Asperum can be either a biennial or perennial plant, depending on the growing conditions.
Q: What is the ideal growing zone for Erysimum Asperum?
A: Erysimum Asperum is hardy in USDA zones 5 to 9.
Q: What pests are known to attack Erysimum Asperum?
A: Aphids, slugs, and snails are common pests that may attack Erysimum Asperum.
Q: What is the blooming season of Erysimum Asperum?
A: Erysimum Asperum blooms from late spring to early summer.
Related Plants
- Erysimum cheiri
- Erysimum linifolium
- Erysimum mediohispanicum
- Erysimum pulchellum
References
- “Erysimum asperum.” Plant Finder. Missouri Botanical Garden, n.d. Web. 22 Aug. 2021.
- “Western Wallflower.” USDA Forest Service. U.S. Department of Agriculture, n.d. Web. 22 Aug. 2021.
- “Erysimum asperum.” Las Pilitas Nursery. Las Pilitas Nursery, n.d. Web. 22 Aug. 2021.
