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Description
Sisymbrium Altissimum, commonly known as Tumble Mustard or Tall Tumbleweed, is an annual plant that belongs to the Brassicaceae family. It is native to North America and can be found in various habitats, including deserts, fields, and roadsides. The plant can grow up to three feet tall and has small yellow flowers that bloom from April to June. It is also known for its drought-resistant properties and ability to grow in poor soil conditions.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Angiospermae |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Sisymbrium |
Appearance
The leaves of Sisymbrium Altissimum are light green in color and are deeply divided into small segments. The stem of the plant is erect, branched, and can grow up to three feet tall. The flowers are small and yellow with four petals arranged in a cross shape. The plant produces long, thin seed pods that can be up to four inches long and contain numerous small seeds. Overall, the plant has a spindly appearance and can easily be identified by its tall stature and small yellow flowers.
Care Guide
Sisymbrium Altissimum is a hardy plant that can tolerate a range of growing conditions. It prefers full sun and well-draining soil but can also grow in poor soil conditions. The plant is drought-resistant and does not require frequent watering. Fertilization is not necessary for this plant, but it can benefit from a light application of fertilizer during the growing season. Sisymbrium Altissimum is hardy in zones 4-10 and can withstand temperatures as low as -30°F.
Common Pests & Diseases
Sisymbrium Altissimum is not typically affected by pests or diseases. However, it can be susceptible to flea beetles, which can cause small holes in the leaves. These pests can be controlled by using insecticidal soap or neem oil. The plant can also be affected by fungal diseases such as powdery mildew, which can be treated with a fungicide.
Habitat
Sisymbrium Altissimum is native to North America and can be found in various habitats. It is commonly found in fields, deserts, and along roadsides. The plant is drought-resistant and can grow in poor soil conditions, making it well-suited for areas with low rainfall and nutrient-poor soil.
Question and Answer
Q: Is Sisymbrium Altissimum toxic to humans?
A: No, Sisymbrium Altissimum is not toxic to humans or animals.
Q: Can Sisymbrium Altissimum be grown in containers?
A: Yes, Sisymbrium Altissimum can be grown in containers as long as they are large enough to accommodate the plant’s tall stature.
Q: How often should Sisymbrium Altissimum be watered?
A: Sisymbrium Altissimum is drought-resistant and does not require frequent watering. It should be watered when the soil is dry to the touch.
Q: How long does it take for Sisymbrium Altissimum to flower?
A: Sisymbrium Altissimum typically blooms from April to June.
Related Plants
- Sisymbrium irio (London Rocket)
- Sisymbrium orientale (Oriental Mustard)
- Sisymbrium officinale (Hedge Mustard)
- Sisymbrium altissimum var. obtusifolium
References
- “Sisymbrium Altissimum.” USDA Plants Database.
- “Tumble Mustard.” Montana Field Guide.
- “Sisymbrium Altissimum.” Lady Bird Johnson Wildflower Center.
