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Description
Lilium Humboldtii, also known as the Humboldt Lily, is a perennial herbaceous plant that is native to California and Oregon. It is a member of the Liliaceae family and is known for its striking orange-red flowers that bloom in the summer. The plant can grow up to 6 feet tall and has lance-shaped leaves that are arranged in whorls around the stem.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Liliopsida |
| Order | Liliales |
| Family | Liliaceae |
| Genus | Lilium |
Appearance
The Lilium Humboldtii plant can grow up to 6 feet tall and has lance-shaped leaves that are arranged in whorls around the stem. The plant produces large, showy flowers that are orange-red in color and have dark spots on their petals. The flowers bloom in the summer and can be up to 6 inches in diameter. The plant’s bulb is also quite large and can be up to 5 inches in diameter.
Care Guide
Water: Lilium Humboldtii plants prefer well-drained soil and should be watered regularly during the growing season to keep the soil moist but not wet. They do not tolerate standing water well.
Fertilization: Fertilize the plant with a balanced fertilizer once a month during the growing season.
Soil: The plant prefers well-drained soil that is rich in organic matter. It does not tolerate heavy, clay soils well.
Sunlight: Lilium Humboldtii plants prefer partial shade to full sun.
Hardiness Zones: The plant is hardy in USDA zones 7-10.
Common Pests & Diseases
Lilium Humboldtii plants are susceptible to a number of pests and diseases, including aphids, spider mites, and powdery mildew. Regular inspection of the plant and treatment with insecticidal soap or neem oil can help prevent pest infestations. Fungal diseases can be prevented by ensuring proper air circulation around the plant and avoiding over-watering.
Habitat
Lilium Humboldtii plants are native to California and Oregon and are commonly found in moist, shaded areas such as forests, meadows, and streambanks. They prefer well-drained soil and partial shade to full sun.
Question and Answer
Q: Can Lilium Humboldtii be grown in containers?
A: Yes, Lilium Humboldtii can be grown in containers, but they require a large container to accommodate their large bulbs.
Q: How often should Lilium Humboldtii be fertilized?
A: Lilium Humboldtii should be fertilized once a month during the growing season.
Q: What is the best time to plant Lilium Humboldtii bulbs?
A: Lilium Humboldtii bulbs should be planted in the fall, before the first frost.
Q: How long do Lilium Humboldtii flowers last?
A: Lilium Humboldtii flowers typically last for 2-3 weeks.
Related Plants
- Lilium pardalinum
- Lilium canadense
- Lilium columbianum
- Lilium kelleyanum
References
- “Lilium Humboldtii.” Pacific Bulb Society, www.pacificbulbsociety.org/pbswiki/index.php/LiliumHumboldtii.
- “Humboldt Lily.” San Francisco Botanical Garden, sfbotanicalgarden.org/plantcollections/featured-plants/humboldt-lily.html.
- “Lilium Humboldtii.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b620.
