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Description
Trichostema Oblongum, also known as the Vinegar Weed or Purple Sage, is a plant species native to California. It is a member of the mint family, Lamiaceae, and is known for its striking purple-blue flowers and pungent aroma. The plant grows up to 3 feet tall and 2 feet wide, with leaves that are narrow and lance-shaped. The flowers bloom in summer and fall, attracting bees and butterflies to the garden.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Trichostema |
| Species | Oblongum |
Appearance
Trichostema Oblongum has a unique appearance, with narrow, lance-shaped leaves that are gray-green in color. The plant grows up to 3 feet tall and 2 feet wide, with multiple branches and stems. The flowers are the most striking feature of this plant, with purple-blue petals that resemble small tubes. The flowers grow in clusters and are about 1 inch long. The aroma of the plant is another distinguishing feature, with a pungent smell that is reminiscent of vinegar.
Care Guide
To care for Trichostema Oblongum, it is important to provide well-draining soil and full sun exposure. The plant thrives in dry conditions and does not require frequent watering. Fertilization is not necessary, as the plant is adapted to grow in nutrient-poor soils. Trichostema Oblongum is hardy in zones 8-10 and can be grown as an annual in colder zones.
Common Pests & Diseases
Trichostema Oblongum is relatively pest and disease-free, but it can be susceptible to spider mites and aphids. These pests can be controlled with insecticidal soap or neem oil. Root rot can also occur if the plant is grown in poorly-draining soil or overwatered.
Habitat
Trichostema Oblongum is native to California and can be found growing in dry, sunny habitats such as chaparral, coastal sage scrub, and oak woodlands. The plant is adapted to grow in nutrient-poor soils and can tolerate drought conditions.
Question and Answer
Q: Is Trichostema Oblongum deer-resistant?
A: Yes, Trichostema Oblongum is deer-resistant and can be grown in areas with high deer populations.
Q: Can Trichostema Oblongum be grown in containers?
A: Yes, Trichostema Oblongum can be grown in containers as long as they have good drainage and are placed in a sunny location.
Q: How often should I water Trichostema Oblongum?
A: Trichostema Oblongum does not require frequent watering and can be watered sparingly, once a week or less, depending on the soil moisture level.
Q: Can Trichostema Oblongum be grown from seed?
A: Yes, Trichostema Oblongum can be grown from seed, but it requires a cold stratification period of at least 4-6 weeks to break dormancy.
Related Plants
- Trichostema Lanatum
- Trichostema Dichotomum
- Trichostema Simplicifolium
- Trichostema Arizonicum
References
- “Trichostema Oblongum.” Calflora.
- “Trichostema Oblongum.” Las Pilitas Nursery.
- “Trichostema Oblongum.” University of California Agriculture & Natural Resources.
