Origin
Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey, commonly known as Olmoti Groundsel, is a perennial plant species that belongs to the Asteraceae family and is native to Tanzania, specifically the Ngorongoro Crater area.
Common Names
Aside from its scientific name and common name, Olmoti Groundsel is also known as Pencil Plant and Senecio Plant, in reference to the genus it belongs to. In Swahili, it is called Fikiria as per the language commonly spoken in Tanzania.
Appearance
The Olmoti Groundsel is a succulent plant that grows to a height of up to 60cm with a spread of up to 50cm. It is known for its natural, pencil-like shape, having a cylindrical stem that grows straight up and branches out towards the top. The leaves are green-gray, narrow, elongated, and covered in fine hairs, which give them a velvety appearance. The flowers are small, star-shaped, and bloom in clusters that range from white to yellow-brown in color. The fruit is a small, dry achene, which contains one seed.
Uses
The Olmoti Groundsel is primarily grown as an ornamental plant and is often found in gardens or as indoor plants. It is sought after for its unique and beautiful shape, making it a popular addition to collections of succulent plants. Additionally, the plant is said to have medicinal properties and is used in traditional African medicine to treat various ailments like fever, respiratory tract infections, and skin infections. Its dried leaves and stems are also used to make tea, which is believed to have a calming effect.
Light Requirements
Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey grows best in bright indirect sunlight. It can tolerate some direct sunlight, but excessive exposure to the sun can cause the leaves to scorch. Therefore, it is best to place the plant in a location where it can receive bright but filtered sunlight.
Temperature Requirements
The ideal temperature range for Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey is between 15°C (59°F) to 28°C (82°F). It can tolerate cooler temperatures, but it should not be exposed to temperatures below 10°C (50°F) for an extended period. In addition, this plant does not tolerate extreme heat and may wither if exposed to temperatures above 32°C (90°F).
Soil Requirements
Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey prefers a well-draining soil mix that allows excess water to drain quickly. A mix of peat moss, perlite, and sand is an excellent choice. The pH of the soil should be slightly acidic, with a range between 5.5 to 6.5. In addition, this plant does not tolerate soil that is too rich or too heavy.
Cultivation methods
The Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey plant thrives best in well-draining soil with plenty of organic matter. It is preferable to plant it in an area with plenty of sunlight.
If potted, ensure that the pot has drainage holes to prevent waterlogging that can negatively impact the survival of the plant. The pot's size should be proportional to the plant's growth size, ensuring that the plant has sufficient space for growth.
Watering needs
Sufficient water should be given to the plant to ensure that the soil remains moist. However, this should not be overdone as saturated soil can lead to root rot.
The watering frequency is dependent on the environmental and seasonal condition. During the summer or hot season, more watering is required compared to winter or a cooler period.
Fertilization
During the growth period, fertilization is crucial for optimal plant growth. The type of fertilizer to use depends on the soil's nutrient content and type. A balanced fertilizer such as 10-10-10 can be used for optimum an growth rate.
It is suggested to provide a dose of fertilizer every two to three months.
Pruning
Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey plants usually do not require regular trimming or pruning.
However, there are specific instances which require pruning. To maintain the plant's shape, dead or diseased stems should be trimmed, ensuring a healthy and lively plant. Also, to promote bushy vegetation regular pruning can help.
Propagation of Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey
Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey is a perennial, succulent plant that belongs to the Asteraceae family. This plant can be propagated through various methods, including:
Seeds
Propagation of Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey through seeds is relatively easy, and it is the most common propagation method. The seeds are small and can be collected from mature plants during the flowering season. Sow the seeds in well-draining soil, cover them with a thin layer of sand, and keep the soil moist. The seeds will germinate in 2-3 weeks. Seed propagation is recommended for propagators who are trying to establish large numbers of plants.
Cuttings
Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey can be propagated through cuttings, stem or leaf cuttings, to be precise. Stem cuttings should be taken from healthy plants, and the cut should be made above the node. Leaf cuttings can be quickly produced by snipping off a leaf and planting it upright in moist soil.
Division
Dividing the plant is another propagation method that can be used for Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey. Remove a mature plant from the soil and carefully separate the roots with a sanitized knife or by hand. Plant the divided plants in a well-draining potting mix and keep them moist until they establish.
In conclusion, propagating Senecio meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey is relatively easy, and using any of the methods mentioned above can result in a large number of healthy plants.
Disease Management
S. meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey is relatively disease-resistant. However, the following diseases may occasionally affect the plant:
- Powdery Mildew: This disease appears as white or gray powdery patches on the leaves, stems, and flowers. It can be managed by improving air circulation and using fungicides.
- Leaf Spot: Leaf spots are brown or black lesions on the leaves of the plant. They may be caused by various fungal and bacterial pathogens. To manage this disease, remove infected leaves and avoid overhead watering.
- Root Rot: Root rot is caused by overwatering and poorly-drained soil. It can be prevented by allowing the soil to dry out between watering and improving soil drainage.
Pest Management
S. meyeri-johannis Engl. subsp. olomotiensis C.Jeffrey is susceptible to the following pests:
- Aphids: Aphids are small, soft-bodied insects that feed on the sap of the plant. They can be managed by spraying the plant with insecticidal soap or neem oil.
- Spider Mites: Spider mites are tiny pests that can cause leaves to turn yellow and fall off. They can be managed by regularly spraying the plant with water and using insecticidal soap.
- Mealybugs: Mealybugs are small, white insects that can cause yellowing and stunted growth of the plant. They can be controlled by wiping the affected areas with alcohol or using insecticidal soap.
Regular monitoring and prompt action are essential to manage any disease or pest infestations. It is also recommended to avoid using chemical pesticides, as they may harm beneficial insects and pollinators.
