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Description
Lithodora Diffusa Heavenly Blue, also known as the “Heavenly Blue,” is a low-growing evergreen plant that belongs to the Boraginaceae family. It is native to the western Mediterranean region, particularly in Spain and Portugal, and is widely cultivated in gardens and landscapes. This plant is known for its stunning blue flowers that bloom from late spring to early fall, making it an excellent groundcover or border plant.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Boraginales |
| Family | Boraginaceae |
| Genus | Lithodora |
Appearance
Lithodora Diffusa Heavenly Blue has small, glossy, dark green leaves that form dense, low-growing mats. Its flowers are a vibrant shade of blue and have five petals that form a trumpet-like shape. The flowers grow in clusters at the tips of the stems and can reach up to 1 inch in diameter. The plant can grow up to 6 inches in height and spread up to 24 inches wide.
Care Guide
Water: Lithodora Diffusa Heavenly Blue prefers well-draining soil and requires moderate watering. Water the plant when the soil is dry to the touch.Fertilization: Fertilize the plant in the spring with a slow-release fertilizer. Avoid over-fertilizing, as this can damage the roots.Soil: The plant prefers slightly acidic, well-draining soil. If the soil is too acidic, mix in some lime to raise the pH level.Sunlight: Lithodora Diffusa Heavenly Blue thrives in full sun to partial shade. Provide at least 6 hours of sunlight daily for optimal growth.Hardiness Zones: The plant is hardy in USDA zones 6-9.
Common Pests & Diseases
Lithodora Diffusa Heavenly Blue is susceptible to root rot, especially in poorly drained soil. It can also be affected by spider mites, whiteflies, and aphids. To prevent these pests and diseases, ensure proper drainage and provide adequate air circulation. Use insecticidal soap or neem oil to control pests.
Habitat
Lithodora Diffusa Heavenly Blue is native to the western Mediterranean region, particularly in Spain and Portugal. It grows in rocky, well-draining soils in sunny areas. The plant is adaptable and can grow in various soil types, as long as it is well-draining.
Question and Answer
Q: Is Lithodora Diffusa Heavenly Blue deer-resistant?
A: Yes, the plant is deer-resistant.
Q: How often should I prune Lithodora Diffusa Heavenly Blue?
A: Prune the plant after blooming to promote bushier growth.
Q: Can Lithodora Diffusa Heavenly Blue tolerate drought?
A: The plant prefers moderate watering but can tolerate drought once established.
Q: Can Lithodora Diffusa Heavenly Blue grow in containers?
A: Yes, the plant can grow in containers as long as the soil is well-draining and the container is large enough to accommodate its spreading habit.
Related Plants
- Lithodora Grace Ward
- Lithodora zahnii
- Lithodora rosmarinifolia
- Lithodora diffusa Star
References
- “Lithodora diffusa.” Missouri Botanical Garden. Accessed September 16, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=k270.
- “Lithodora diffusa ‘Heavenly Blue’.” Royal Horticultural Society. Accessed September 16, 2021. https://www.rhs.org.uk/Plants/11806/Lithodora-diffusa-Heavenly-Blue/Details.
- “Lithodora diffusa Heavenly Blue.” Gardening Know How. Accessed September 16, 2021. https://www.gardeningknowhow.com/ornamental/groundcover/lithodora/lithodora-diffusa-heavenly-blue.htm.
