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Description
Streptanthus Campestris, commonly known as the San Joaquin yellow mustard, is a perennial wildflower that belongs to the Brassicaceae family. It is native to California, specifically the San Joaquin Valley, and can be found growing in grasslands, plains, and oak woodlands. This plant grows up to 2 feet tall and has bright yellow flowers that bloom from March to June.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Dicotyledons |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Streptanthus |
Appearance
The San Joaquin yellow mustard has a stem that is usually branched and covered in stiff hairs. Its leaves are narrow and lance-shaped, with a wavy margin and a rough texture. The flowers are bright yellow and have four petals that form a cross shape. The fruit of this plant is a long, narrow pod that contains many small seeds.
Care Guide
The San Joaquin yellow mustard is a relatively easy plant to care for. It prefers well-draining soil and full sun exposure. It can tolerate a wide range of soil types, but it does best in soil that is slightly acidic to neutral. This plant does not require much water, but it should be watered deeply once a week during the growing season. Fertilization is not necessary, but a light application of a balanced fertilizer in the spring can help promote growth. This plant is hardy in USDA zones 8-10.
Common Pests & Diseases
The San Joaquin yellow mustard is generally not affected by any major pests or diseases. However, it can be susceptible to aphids, which can be controlled with insecticidal soap or neem oil. Powdery mildew can also be a problem, especially in humid conditions. This can be prevented by providing good air circulation and avoiding overhead watering.
Habitat
The San Joaquin yellow mustard is native to California and can be found growing in grasslands, plains, and oak woodlands. It is often used in restoration projects to help re-establish native plant communities. This plant is also popular among gardeners, as it adds a splash of bright color to any garden.
Question and Answer
Q: Can the San Joaquin yellow mustard be grown in containers?
A: Yes, this plant can be grown in containers as long as the container is large enough to accommodate its root system.
Q: How often should the San Joaquin yellow mustard be fertilized?
A: Fertilization is not necessary, but a light application of a balanced fertilizer in the spring can help promote growth.
Q: How tall can the San Joaquin yellow mustard grow?
A: This plant can grow up to 2 feet tall.
Q: What is the blooming season for the San Joaquin yellow mustard?
A: The bright yellow flowers of this plant bloom from March to June.
Related Plants
- Streptanthus albidus
- Streptanthus barbiger
- Streptanthus brachiatus
- Streptanthus breweri
References
- “Streptanthus campestris.” Calflora.
- “Streptanthus campestris.” USDA Plants Database.
- “Streptanthus campestris.” Las Pilitas Nursery.
