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Description
Delphinium Scopulorum, also known as Rocky Mountain Larkspur, is a perennial plant native to western North America. It belongs to the buttercup family and is known for its tall spikes of blue-violet flowers that bloom in early summer. The plant can grow up to 3 feet tall and 1 to 2 feet wide. Its leaves are palmately lobed and deeply divided with a dark green color. This plant is popular among gardeners because of its attractive flowers and easy care.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Ranunculales |
| Family | Ranunculaceae |
| Genus | Delphinium |
Appearance
The Delphinium Scopulorum plant has tall spikes of blue-violet flowers that can grow up to 3 feet tall. The flowers are arranged in a raceme on top of the stem and have five petals. The leaves are palmately lobed and deeply divided with a dark green color. The plant can grow up to 1 to 2 feet wide and blooms in early summer.
Care Guide
Delphinium Scopulorum requires regular watering to keep the soil moist but not waterlogged. It prefers well-draining soil and full sunlight for at least 6 hours a day. This plant can tolerate cold temperatures and is hardy in zones 3 to 8. Fertilize the plant with a balanced fertilizer in early spring and after the first bloom. Deadhead the spent flowers to encourage new growth and prevent disease.
Common Pests & Diseases
The Delphinium Scopulorum plant is susceptible to pests such as aphids, mites, and slugs. To prevent these pests, apply insecticidal soap or neem oil to the plant. The plant is also prone to diseases such as powdery mildew, crown rot, and leaf spot. To prevent these diseases, ensure the plant has good air circulation and avoid overwatering.
Habitat
Delphinium Scopulorum is native to western North America and can be found in mountain meadows, open woods, and rocky slopes. This plant prefers well-draining soil and full sunlight but can also grow in partial shade. It is a hardy plant that can tolerate cold temperatures and is commonly grown in gardens and landscapes.
Question and Answer
Q: How often should I water my Delphinium Scopulorum plant?
A: Delphinium Scopulorum requires regular watering to keep the soil moist but not waterlogged. Water the plant once a week or when the top inch of soil is dry.
Q: What is the best fertilizer for Delphinium Scopulorum?
A: Use a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium. Fertilize the plant in early spring and after the first bloom.
Q: Can Delphinium Scopulorum grow in pots?
A: Yes, Delphinium Scopulorum can grow in pots as long as the pot has good drainage and the soil is well-draining.
Q: How do I prevent powdery mildew on my Delphinium Scopulorum plant?
A: To prevent powdery mildew, ensure the plant has good air circulation and avoid overwatering. Apply fungicide if necessary.
Related Plants
- Delphinium Andersonii
- Delphinium Barbeyi
- Delphinium Nuttallianum
- Delphinium Occidentale
References
- “Delphinium Scopulorum.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=e590.
- “Rocky Mountain Larkspur.” Colorado State University Extension, extension.colostate.edu/topic-areas/yard-garden/rocky-mountain-larkspur-7-238/.
- “Delphinium Scopulorum (Rocky Mountain Larkspur).” Plant Database, HGIC Clemson University, www.clemson.edu/extension/hgic/plants/landscape/flowers/hgic1179.html.
