Contents
Description
Ocimum African Blue, also known as African basil or dark opal basil, is a perennial herb that belongs to the family Lamiaceae. It is native to tropical Africa and is widely cultivated in other parts of the world for its aromatic leaves and beautiful purple flowers. The plant can grow up to 3 feet tall and has a bushy and upright growth habit. The leaves are large, ovate, and slightly serrated, with a deep green or purple color. The flowers are small and purple, and grow in spikes at the top of the stems.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Angiospermae |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Ocimum |
Appearance
Ocimum African Blue is a beautiful plant that can add color and fragrance to any garden. Its leaves are large, ovate, and slightly serrated, with a deep green or purple color. The plant can grow up to 3 feet tall and has a bushy and upright growth habit. The flowers are small and purple, and grow in spikes at the top of the stems. The plant has a strong fragrance that is similar to that of basil, with a hint of camphor.
Care Guide
Ocimum African Blue is an easy-to-grow plant that requires minimal care. Here are some tips on how to care for it:
- Water: Water the plant regularly, but do not overwater it. Allow the soil to dry out slightly between waterings.
- Fertilization: Fertilize the plant with a balanced fertilizer every two weeks during the growing season.
- Soil: Plant Ocimum African Blue in well-draining soil that is rich in organic matter.
- Sunlight: The plant prefers full sun, but can also grow in partial shade.
- Hardiness Zones: Ocimum African Blue can be grown in USDA hardiness zones 10-12.
Common Pests & Diseases
Ocimum African Blue is generally free from pests and diseases. However, here are some common issues to watch out for:
- Aphids: These small insects can suck the sap from the leaves and cause them to turn yellow. Use insecticidal soap to control aphids.
- Whiteflies: These tiny insects can cause the leaves to turn yellow and fall off. Use insecticidal soap to control whiteflies.
- Root rot: Overwatering can cause root rot, which can be fatal to the plant. Make sure the soil is well-draining and allow it to dry out between waterings.
Habitat
Ocimum African Blue is native to tropical Africa, where it grows in sunny areas with well-draining soil. It is widely cultivated in other parts of the world and can be grown in gardens, pots, and containers. The plant prefers warm temperatures and can be damaged by frost or cold weather.
Question and Answer
Q: Is Ocimum African Blue edible?
A: Yes, the leaves of Ocimum African Blue are edible and can be used to flavor food, much like other varieties of basil.
Q: Can Ocimum African Blue be grown indoors?
A: Yes, Ocimum African Blue can be grown indoors in a sunny location. Make sure to provide adequate light and water.
Q: How often should I fertilize Ocimum African Blue?
A: Fertilize Ocimum African Blue every two weeks during the growing season with a balanced fertilizer.
Q: How do I propagate Ocimum African Blue?
A: Ocimum African Blue can be propagated from stem cuttings. Take a cutting from the tip of the stem and root it in water or soil.
Related Plants
- Ocimum basilicum
- Ocimum tenuiflorum
- Ocimum gratissimum
- Ocimum kilimandscharicum
References
- “Ocimum africanum Lour.” Plants of the World Online, Kew Science. Accessed 14 June 2021. www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:453951-1.
- “Ocimum africanum.” Missouri Botanical Garden. Accessed 14 June 2021. www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=278786&isprofile=0&.
- “African Blue Basil.” University of Florida IFAS Extension. Accessed 14 June 2021. edis.ifas.ufl.edu/pdffiles/HS/HS30500.pdf.
