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Description
Erysimum Pallasii, commonly known as Pallas’s Wallflower, is a perennial plant belonging to the Brassicaceae family. It is native to the Caucasus and Alborz Mountains of Iran and can grow up to 50cm in height. The plant features narrow, lanceolate leaves and small, four-petaled flowers that can range in color from yellow to orange-red. Erysimum Pallasii is a popular ornamental plant due to its beautiful flowers and long blooming period from late spring to early summer.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Erysimum |
Appearance
Erysimum Pallasii has narrow, lanceolate leaves that are gray-green in color and can grow up to 10cm long. The plant produces small, four-petaled flowers that can range in color from yellow to orange-red and are arranged in a dense raceme. The flowers bloom from late spring to early summer and can grow up to 1.5cm in diameter. The stems of the plant are woody and can range in color from green to purple-brown.
Care Guide
Erysimum Pallasii is a low-maintenance plant that requires well-draining soil and full sun to thrive. The plant can tolerate some shade but may not bloom as profusely. It is important to water the plant regularly, especially during hot and dry weather, and to fertilize it with a balanced fertilizer once a month during the growing season. Erysimum Pallasii is hardy in USDA zones 5-8 and can tolerate temperatures down to -18°C.
Common Pests & Diseases
Erysimum Pallasii is relatively resistant to pests and diseases. However, it can be susceptible to fungal diseases such as powdery mildew and root rot if the soil is too moist. Aphids and caterpillars can also be a problem, but they can be controlled with insecticidal soap or neem oil. To prevent fungal diseases, it is important to water the plant at the base and not on the leaves.
Habitat
Erysimum Pallasii is native to the Caucasus and Alborz Mountains of Iran, where it grows in rocky and dry habitats. The plant prefers well-draining soil and can tolerate some drought. It is commonly grown as an ornamental plant in gardens and can be found in rock gardens, borders, and containers.
Question and Answer
Q: Is Erysimum Pallasii a perennial or annual plant?
A: Erysimum Pallasii is a perennial plant.
Q: What is the blooming period of Erysimum Pallasii?
A: The plant blooms from late spring to early summer.
Q: Can Erysimum Pallasii tolerate drought?
A: Yes, the plant can tolerate some drought.
Q: What is the hardiness zone for Erysimum Pallasii?
A: Erysimum Pallasii is hardy in USDA zones 5-8.
Related Plants
- Erysimum cheiri
- Erysimum hieraciifolium
- Erysimum linifolium
- Erysimum pulchellum
References
- “Erysimum Pallasii.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=286571.
- “Erysimum Pallasii.” PlantFiles, www.plantfiles.com/profile/erysimum_pallasii.
- “Pallas’s Wallflower.” Royal Horticultural Society, www.rhs.org.uk/Plants/54451/Erysimum-Pallasii/Details.
