Contents
Description
Solanum Douglasii, commonly known as Douglas’ nightshade, is a species of flowering shrub that belongs to the Solanaceae family. It is native to western North America and can be found growing in coastal sage scrub, chaparral, and oak woodland habitats. The plant has a woody stem that can grow up to 3 meters in height, with branches that are covered in small prickles. The leaves are green, ovate, and can grow up to 10 centimeters in length. The flowers of Solanum Douglasii are small and white, with yellow stamens, and bloom from June to October. The fruit is a round, green berry that turns yellow when ripe and contains numerous small seeds.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Solanales |
| Family | Solanaceae |
| Genus | Solanum |
Appearance
Solanum Douglasii is a shrub that can grow up to 3 meters in height. The branches are covered in small prickles and the leaves are green, ovate, and can grow up to 10 centimeters in length. The flowers are small and white, with yellow stamens, and bloom from June to October. The fruit is a round, green berry that turns yellow when ripe and contains numerous small seeds. The plant has a woody stem that is covered in a bark that is brown in color.
Care Guide
Solanum Douglasii is a relatively low maintenance plant. It prefers well-draining soil and should be watered regularly, especially during the summer months. The plant should be fertilized once a month during the growing season with a balanced fertilizer. Solanum Douglasii prefers full sun but can tolerate some shade. It is hardy in USDA Zones 8-11.
Common Pests & Diseases
Solanum Douglasii is susceptible to a few common pests and diseases. Spider mites, aphids, and whiteflies can be a problem for the plant, especially during the summer months. If left untreated, these pests can cause the plant to become weakened and susceptible to disease. Powdery mildew and leaf spot are two common diseases that can affect Solanum Douglasii. To prevent these issues, the plant should be kept in well-draining soil and watered regularly.
Habitat
Solanum Douglasii is native to western North America and can be found growing in coastal sage scrub, chaparral, and oak woodland habitats. It prefers well-draining soil and full sun but can tolerate some shade. The plant is hardy in USDA Zones 8-11.
Question and Answer
Q: Is Solanum Douglasii toxic?
A: Yes, all parts of the plant are toxic if ingested.
Q: Can Solanum Douglasii be grown in a container?
A: Yes, the plant can be grown in a container as long as it has enough room to grow.
Q: Does Solanum Douglasii require pruning?
A: Yes, the plant benefits from occasional pruning to maintain its shape and promote new growth.
Q: Can Solanum Douglasii tolerate drought?
A: No, the plant prefers regular watering and is not drought tolerant.
Related Plants
- Solanum Xanti
- Solanum Crispum
- Solanum Acaule
- Solanum Tuberosum
- Solanum Lycopersicum
References
- “Solanum Douglasii.” Calflora.
- “Douglas Nightshade.” Las Pilitas Nursery.
- “Solanum douglasii.” Missouri Botanical Garden.
