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Description
Centranthus Ruber Albus, also known as White Valerian, is a perennial herbaceous plant that belongs to the family Caprifoliaceae. This plant is native to the Mediterranean region and can grow up to a height of 60 to 90 cm. It is known for its long flowering period, which lasts from June to September, and its sweet fragrance that attracts butterflies and bees.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Dipsacales |
| Family | Caprifoliaceae |
| Genus | Centranthus |
Appearance
Centranthus Ruber Albus has a bushy habit with erect stems that are covered with soft, grey-green leaves. The leaves are deeply lobed and can grow up to 10 cm long. The flowers of this plant are small and star-shaped, and they are arranged in clusters that form at the end of the stems. The flowers are white and have a sweet fragrance that can fill the air. The plant blooms from June to September.
Care Guide
Centranthus Ruber Albus is an easy-to-grow plant that thrives in most soil types. Here are some care tips:
- Water: This plant requires moderate watering. Water the plant when the top inch of soil is dry.
- Fertilization: You can fertilize the plant once a month during the growing season with a balanced fertilizer.
- Soil: This plant can grow in most soil types, but it prefers well-draining soil that is rich in organic matter.
- Sunlight: Centranthus Ruber Albus prefers full sun but can also grow in partial shade.
- Hardiness Zones: This plant is hardy in USDA zones 5 to 9.
Common Pests & Diseases
Centranthus Ruber Albus is generally pest and disease-resistant. However, it can be affected by powdery mildew, spider mites, and aphids. Regular inspection and treatment with insecticidal soap can help prevent infestations.
Habitat
Centranthus Ruber Albus is native to the Mediterranean region, where it grows in rocky and dry habitats such as cliffs, walls, and rocky slopes. It can also grow in gardens, rock gardens, and containers.
Question and Answer
Q: Can Centranthus Ruber Albus grow in containers?
A: Yes, this plant can grow in containers as long as the container has good drainage and the plant is watered regularly.
Q: How often should I fertilize Centranthus Ruber Albus?
A: You can fertilize the plant once a month during the growing season with a balanced fertilizer.
Q: How tall does Centranthus Ruber Albus grow?
A: This plant can grow up to a height of 60 to 90 cm.
Q: What is the blooming period of Centranthus Ruber Albus?
A: The plant blooms from June to September.
Related Plants
- Centranthus Ruber
- Centranthus Coccineus
- Centranthus Calcitrapae
References
- “Centranthus Ruber Albus.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=288541&isprofile=0.
- “Centranthus Ruber Albus.” Royal Horticultural Society, www.rhs.org.uk/plants/120542/Centranthus-ruber-Albus/Details.
- “White Valerian.” Gardenia, www.gardenia.net/plant/centranthus-ruber-albus-white-valerian.
