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Description
Erysimum Teretifolium, commonly known as Canary Island Wallflower, is a perennial flowering plant that belongs to the Brassicaceae family. It is native to the Canary Islands, Spain, and Portugal. The plant grows up to 60 cm tall and has a spread of 30-45 cm. Erysimum Teretifolium produces bright yellow flowers that bloom from spring until early summer. The plant has narrow, lance-shaped leaves that are gray-green in color. It is a popular garden plant due to its attractive flowers and foliage.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Angiospermae |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Erysimum |
Appearance
Erysimum Teretifolium has narrow, lance-shaped leaves that are gray-green in color. The plant grows up to 60 cm tall and has a spread of 30-45 cm. It produces bright yellow flowers that bloom from spring until early summer. The flowers have a sweet fragrance and are arranged in clusters at the top of the stem. The petals are four in number and are around 1-2 cm long. The plant has a woody stem and can be grown as a shrub or herbaceous perennial.
Care Guide
Erysimum Teretifolium is easy to grow and requires minimal care. Here are some tips to take care of the plant:
- Water: Water the plant regularly during the growing season to keep the soil moist but not waterlogged. During the winter, reduce watering and allow the soil to dry out slightly between watering.
- Fertilization: Fertilize the plant with a balanced fertilizer during the growing season. Avoid over-fertilization as it can lead to excessive growth and reduced flowering.
- Soil: Erysimum Teretifolium prefers well-drained soil that is rich in organic matter. It can tolerate a wide range of soil pH but prefers slightly acidic soil.
- Sunlight: The plant prefers full sun but can tolerate partial shade. It requires at least 6 hours of sunlight per day to bloom profusely.
- Hardiness Zones: Erysimum Teretifolium is hardy in USDA zones 8-10.
Common Pests & Diseases
Erysimum Teretifolium is relatively pest and disease-free. However, it can be susceptible to the following:
- Aphids: Aphids can infest the plant and cause distortion of the leaves and stunted growth.
- Cabbage Moth: Cabbage moth larvae can feed on the leaves and cause extensive damage to the plant.
- Powdery Mildew: Powdery mildew can infect the leaves and cause a white powdery coating on the plant.
- Root Rot: Overwatering or poorly drained soil can lead to root rot, which can cause the plant to wilt and eventually die.
Habitat
Erysimum Teretifolium is native to the Canary Islands, Spain, and Portugal. It grows in rocky, well-drained soil in coastal regions. The plant prefers full sun but can tolerate partial shade. It is a popular garden plant due to its bright yellow flowers and attractive foliage.
Question and Answer
Q. Is Erysimum Teretifolium a perennial or annual plant?
A. Erysimum Teretifolium is a perennial plant.
Q. How tall does Erysimum Teretifolium grow?
A. Erysimum Teretifolium grows up to 60 cm tall.
Q. Can Erysimum Teretifolium tolerate shade?
A. Erysimum Teretifolium prefers full sun but can tolerate partial shade.
Q. When do the flowers of Erysimum Teretifolium bloom?
A. The flowers of Erysimum Teretifolium bloom from spring until early summer.
Related Plants
- Erysimum cheiranthoides
- Erysimum hieraciifolium
- Erysimum pulchellum
- Erysimum ruscinonense
References
- “Erysimum teretifolium.” Plant Finder. Missouri Botanical Garden.
- “Erysimum teretifolium.” The Royal Horticultural Society.
- “Canary Island Wallflower.” PlantFiles. Dave’s Garden.
