Contents
Description
Hirschfeldia is a genus of plants in the mustard family. It includes one species, Hirschfeldia incana, which is commonly known as shortpod mustard or buchanweed. It is an annual or biennial plant that grows up to 1 meter tall. The plant produces yellow flowers in clusters, followed by elongated seedpods. Hirschfeldia is native to Europe and Asia, but now widely distributed in other parts of the world as an invasive species.
Taxonomic Information
| Domain: | Eukaryota |
| Kingdom: | Plantae |
| Phylum: | Spermatophyta |
| Class: | Magnoliopsida |
| Order: | Brassicales |
| Family: | Brassicaceae |
| Genus: | Hirschfeldia |
Appearance
Hirschfeldia has a coarse and hairy stem with lobed leaves. The leaves are up to 20 cm long and 10 cm wide. They are deeply lobed and toothed. The flowers are bright yellow and produced in clusters on the stem. The seedpods are up to 10 cm long and 2 mm wide, with a pointed tip. Hirschfeldia typically blooms from June to September.
Care Guide
Hirschfeldia is an easy-to-grow plant that requires minimal care. Here are some tips:
- Water: Hirschfeldia prefers moist soil but can tolerate some drought. Water regularly to keep the soil moist but not waterlogged.
- Fertilization: Hirschfeldia does not require fertilization, but you can apply a balanced fertilizer once a month during the growing season to promote growth and flowering.
- Soil: Hirschfeldia grows well in well-drained soil, but it can tolerate poor soil conditions. It prefers a neutral to slightly alkaline soil pH.
- Sunlight: Hirschfeldia prefers full sun but can tolerate some shade.
- Hardiness Zones: Hirschfeldia can grow in USDA hardiness zones 6 to 9.
Common Pests & Diseases
Hirschfeldia is generally resistant to pests and diseases. However, it can occasionally be affected by aphids, flea beetles, and cabbage worms. These pests can be controlled with insecticidal soap or organic insecticides. Hirschfeldia can also be susceptible to fungal diseases such as powdery mildew and downy mildew. These diseases can be prevented by providing good air circulation and avoiding overhead watering.
Habitat
Hirschfeldia is commonly found in disturbed areas such as roadsides, fields, and waste places. It can also grow in agricultural land and natural habitats. Hirschfeldia can tolerate a wide range of soil and environmental conditions, making it a successful invader in many parts of the world.
Question and Answer
Q: Is Hirschfeldia a good plant for landscaping?
A: Hirschfeldia is not commonly used in landscaping due to its invasive nature and weedy appearance.
Q: Can Hirschfeldia be grown in containers?
A: Yes, Hirschfeldia can be grown in containers as long as they are large enough to accommodate the plant’s size.
Q: Does Hirschfeldia have any medicinal properties?
A: No, there are no known medicinal uses for Hirschfeldia.
Q: How can I control the spread of Hirschfeldia?
A: To prevent the spread of Hirschfeldia, remove the plant before it produces seeds and dispose of it properly.
Related Plants
- Brassica nigra (black mustard)
- Brassica rapa (field mustard)
- Brassica juncea (brown mustard)
- Sinapis alba (white mustard)
References
- “Hirschfeldia incana (L.) Lagr.-Foss.” USDA Plants Database.
- “Hirschfeldia incana.” Missouri Botanical Garden.
- “Hirschfeldia incana.” Flora of North America.
