Lupinus Densiflorus

Description

Lupinus Densiflorus, also known as the dense-flowered lupin or chaparral lupin, is a flowering plant species that belongs to the family Fabaceae. It is native to California and can be found in the coastal ranges and foothills. This perennial plant can grow up to 3 feet tall and 2 feet wide, with a bushy growth habit. It produces dense spikes of blue, purple, or pink flowers that bloom from spring to early summer.

Taxonomic Information

Appearance

Lupinus Densiflorus has a bushy growth habit with a height and width of up to 3 feet and 2 feet respectively. The leaves are palmate with 5-10 leaflets, and they are a grayish-green color. The flowers are produced in dense spikes that can reach up to 10 inches in length. The flowers can be blue, purple, or pink, and they bloom from spring to early summer. The plant produces a legume fruit that contains seeds.

Care Guide

Water

Lupinus Densiflorus requires regular watering during the growing season, especially during hot and dry periods. However, the plant does not like to sit in wet soil, so make sure the soil is well-draining.

Fertilization

Fertilize Lupinus Densiflorus with a balanced fertilizer in the spring before new growth appears. Repeat fertilization every 4-6 weeks during the growing season.

Soil

Lupinus Densiflorus prefers well-draining soil that is slightly acidic. The soil should be rich in organic matter.

Sunlight

Lupinus Densiflorus prefers full sun to partial shade. It can tolerate some shade but will produce fewer flowers.

Hardiness Zones

Lupinus Densiflorus is hardy in USDA zones 7-10.

Common Pests & Diseases

Lupinus Densiflorus is susceptible to aphids, spider mites, and leafhoppers. It can also be affected by powdery mildew and rust. To prevent pests and diseases, make sure the plant is not stressed and is growing in well-draining soil. Regularly inspect the plant for signs of pests and diseases and treat promptly with an appropriate insecticide or fungicide.

Habitat

Lupinus Densiflorus is native to California and can be found in the coastal ranges and foothills. It grows in chaparral, oak woodlands, and mixed evergreen forests.

Question and Answer

Q: Is Lupinus Densiflorus toxic to pets?

A: Yes, Lupinus Densiflorus is toxic to pets, especially dogs and cats. The plant contains alkaloids that can cause vomiting, diarrhea, and other symptoms if ingested.

Q: Can Lupinus Densiflorus be grown in containers?

A: Yes, Lupinus Densiflorus can be grown in containers. Make sure the container is large enough to accommodate the plant’s root system, and use a well-draining soil mix.

Q: How often should I prune Lupinus Densiflorus?

A: Prune Lupinus Densiflorus after it has finished blooming to promote bushier growth and prevent self-seeding. Cut back the spent flower spikes to the nearest leaf node.

Q: How do I propagate Lupinus Densiflorus?

A: Lupinus Densiflorus can be propagated by seed or by division. To propagate by seed, collect the seed pods when they turn brown and dry. Sow the seeds in a well-draining soil mix and keep them moist until they germinate. To propagate by division, dig up the plant in the fall and separate the root ball into smaller sections. Replant the sections into well-draining soil.

Related Plants

• Lupinus Arboreus
• Lupinus Laxiflorus
• Lupinus Nanus
• Lupinus Perennis
• Lupinus Texensis

References

• https://www.gardenia.net/plant/lupinus-densiflorus
• https://www.fs.fed.us/wildflowers/plant-of-the-week/lupinus_densiflorus.shtml
• https://www.sandiegocounty.gov/content/sdc/pds/ceo/BI/PlantInventory/Lupinus_densiflorus.html