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Description
Delphinium Californicum, also known as California Larkspur, is a perennial flowering plant that is native to California and Oregon. It belongs to the Ranunculaceae family and is known for its tall, spiky blooms that come in a range of colors, including blue, purple, pink, and white. The plant can grow up to 6 feet tall and is often used in gardens and borders as a decorative accent.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Ranunculales |
| Family | Ranunculaceae |
| Genus | Delphinium |
Appearance
The Delphinium Californicum plant has tall spikes of clustered flowers that bloom in the summer. The flowers are usually blue or purple, but can also come in pink or white. The leaves are deeply lobed and can grow up to 12 inches long. The plant can grow up to 6 feet tall and 2 feet wide, making it a striking addition to any garden or landscape.
Care Guide
Delphinium Californicum is a low-maintenance plant that is easy to care for. Here are some tips to keep your plant healthy:
- Water: Water your plant regularly, making sure the soil is moist but not waterlogged.
- Fertilization: Fertilize your plant with a balanced fertilizer in the spring and summer.
- Soil: Plant your Delphinium Californicum in well-draining soil that is rich in organic matter.
- Sunlight: Plant your Delphinium Californicum in full sun or partial shade.
- Hardiness Zones: Delphinium Californicum can grow in USDA Hardiness Zones 5-9.
Common Pests & Diseases
Delphinium Californicum is generally resistant to pests and diseases, but there are a few things you should watch out for:
- Aphids: These small insects can suck the sap from the leaves and flowers of your plant, causing them to wilt and die.
- Mildew: Powdery mildew can appear on the leaves of your plant, causing them to turn yellow and fall off.
- Slugs and snails: These pests can eat the leaves and flowers of your plant, leaving behind unsightly holes.
Habitat
Delphinium Californicum is native to California and Oregon, where it can be found growing in meadows, woodlands, and along streams and rivers. The plant prefers well-draining soil and can grow in both full sun and partial shade.
Question and Answer
Q: Is Delphinium Californicum poisonous?
A: Yes, all parts of the plant are poisonous if ingested, so be sure to keep it away from children and pets.
Q: Can Delphinium Californicum be grown in containers?
A: Yes, the plant can be grown in containers as long as the container is large enough to accommodate its roots.
Q: When should I prune my Delphinium Californicum?
A: Prune your plant after it has finished blooming to encourage new growth and prevent it from becoming too leggy.
Q: How often should I fertilize my Delphinium Californicum?
A: Fertilize your plant once a month during the growing season with a balanced fertilizer.
Related Plants
- Delphinium elatum (Bee larkspur)
- Delphinium grandiflorum (Chinese delphinium)
- Delphinium nudicaule (Canyon delphinium)
References
- “Delphinium Californicum.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=279477.
- “Delphinium Californicum.” Plant Database, www.plants.usda.gov/core/profile?symbol=DECA15.
- “Delphinium Californicum.” Gardening Know How, www.gardeningknowhow.com/ornamental/flowers/larkspur/growing-california-larkspur.htm.
