Contents
Description
Lupinus Benthamii, also known as Bentham’s lupin, is a species of flowering plant native to North America. This perennial plant produces tall spikes of blue, pink or purple flowers that bloom in late spring or early summer. Its striking appearance and easy-to-grow nature make it a popular choice for gardeners and landscapers alike.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Lupinus |
Appearance
Lupinus Benthamii typically grows to be about 2-3 feet tall and wide. Its leaves are palmately compound and consist of 5-7 leaflets that are green on the upper surface and paler underneath. The flowers grow on long spikes that can reach up to 18 inches in height. Each spike can have up to 50 flowers, which are typically blue, pink, or purple in color. The plant produces a pod-like fruit that contains several seeds.
Care Guide
Water: Lupinus Benthamii prefers evenly moist soil. Water the plant regularly, especially during the hot and dry summer months.
Fertilization: Fertilize the plant once a month during the growing season with a balanced fertilizer.
Soil: The plant prefers well-draining soil that is rich in organic matter.
Sunlight: Lupinus Benthamii prefers full sun but can tolerate partial shade.
Hardiness Zones: The plant is hardy in USDA zones 5-9.
Common Pests & Diseases
The most common pests that affect Lupinus Benthamii are aphids and spider mites. These pests can be controlled with insecticidal soap or neem oil. The plant is also susceptible to root rot and powdery mildew. To prevent these diseases, avoid overwatering and provide good air circulation around the plant.
Habitat
Lupinus Benthamii is native to the western United States, where it grows in a variety of habitats, including meadows, forests, and grasslands. The plant prefers well-draining soils and can tolerate both wet and dry conditions.
Question and Answer
Q: Is Lupinus Benthamii poisonous?
A: While Lupinus Benthamii is not toxic to humans, it can be toxic to livestock if ingested in large quantities.
Q: Can Lupinus Benthamii grow in containers?
A: Yes, Lupinus Benthamii can be grown in containers as long as the container is large enough and has good drainage.
Q: How long does Lupinus Benthamii bloom?
A: Lupinus Benthamii typically blooms for 2-3 weeks in late spring or early summer.
Q: Can Lupinus Benthamii be grown from seed?
A: Yes, Lupinus Benthamii can be grown from seed. Plant the seeds in the fall or early spring and keep the soil moist until they germinate.
Related Plants
- Lupinus Albifrons
- Lupinus Arboreus
- Lupinus Perennis
- Lupinus Texensis
References
- “Lupinus benthamii”. USDA Plants Database.
- “Lupinus benthamii – Bentham’s lupin”. Montana Field Guide.
- “Lupinus benthamii”. Missouri Botanical Garden.
