Origin
Pelargonium alchemilloides (L.) L'Hér. subsp. multibracteatum (Hochst. ex A.Rich.) Kokwaro is a species of flowering plant that belongs to the family Geraniaceae. It is endemic to Kenya, East Africa, and is found in the hills of the Equatorial forest.
Common Names
The plant is commonly known as Purple-flowered Storksbill and has been given several names in Swahili including "Kangutu" and "Muthakwa".
Uses
The Pelargonium alchemilloides (L.) L'Hér. subsp. multibracteatum (Hochst. ex A.Rich.) Kokwaro plant has several medicinal uses. The root of the plant is used by the indigenous people of Kenya to treat a wide range of ailments such as chest problems, coughs, and stomach conditions. The plant is an important traditional medicinal plant in Kenya. It is also used to make tea that helps in the treatment of diarrhea.
General Appearance
The Purple-flowered Storksbill has a slender stem that grows up to 50 cm in height. The leaves of the plant are deeply divided, with the segments narrow and rounded. The flowers of the plant are purple or blue-purple in color, with five petals that are held high on long, delicate stems. The plant blooms between March and April.
Light Requirements
Pelargonium alchemilloides subsp. multibracteatum requires bright, direct sunlight for at least six hours per day. Lack of adequate sunlight can significantly impact the growth of the plant, leading to leggy and weak growth. In indoor settings, it is best to place the plant near a south-facing window that receives plenty of sunlight.
Temperature Requirements
This plant is native to South Africa and thrives in warm temperatures, between 60°F and 85°F (15°C to 29°C). However, it can tolerate temperatures as low as 45°F (7°C) and as high as 100°F (38°C) for a short amount of time. If grown outdoors, the plant should be protected from frost and extremely low temperatures.
Soil Requirements
Pelargonium alchemilloides subsp. multibracteatum prefers well-draining sandy loam soil that is rich in organic matter. The soil pH should be slightly acidic, between 6.0 and 6.5. The plant can tolerate a wide range of soil conditions, but it will not survive in waterlogged or compacted soil. In container gardens, it is recommended to use a light potting mix that provides good drainage.
Cultivation Methods
Pelargonium alchemilloides (L.) L'Hér. subsp. multibracteatum (Hochst. ex A.Rich.) Kokwaro, commonly known as Geranium, is a flowering plant that requires some specific conditions for its optimal growth. It usually thrives in well-draining soil with an ideal pH range of 6.0-7.0, which is moderately acidic. The plant prefers to grow in a warm and moderately humid environment with an average temperature of 65-70°F and a relative humidity of 50-60%. It is usually propagated through stem cuttings.
Watering Needs
Pelargonium alchemilloides (L.) L'Hér. subsp. multibracteatum (Hochst. ex A.Rich.) Kokwaro, needs adequate watering and a consistent supply of moisture to promote healthy growth. The frequency of watering mostly depends on the dryness of the soil, and the amount of water required increases during the hot summer months. Overwatering the plant can result in root rot, while insufficient watering can lead to a lack of nutrients and poor growth. The best approach is to water the plant thoroughly, allow the soil to drain completely, and water again when the top inch of soil feels dry to the touch.
Fertilization
Fertilization is essential for Pelargonium alchemilloides (L.) L'Hér. subsp. multibracteatum (Hochst. ex A.Rich.) Kokwaro, as it provides necessary nutrients to the plant, promoting optimum growth and blooming. It is advised to fertilize the plant with a well-balanced, granular fertilizer every two weeks during the growing season. Ensure to follow the application instructions carefully and avoid the application of excess fertilizer to prevent burning the roots.
Pruning
Pruning is recommended to promote growth and maintain the proper form of Pelargonium alchemilloides (L.) L'Hér. subsp. multibracteatum (Hochst. ex A.Rich.) Kokwaro. The best time to prune the plant is in early spring before the growing season begins. Remove any damaged, diseased, or dead foliage, and cut back any overgrown branches or stems to promote new growth. Regular pruning throughout the growing season helps to maintain a healthy, vibrant-looking plant.
Propagation of Pelargonium alchemilloides subsp. multibracteatum
Pelargonium alchemilloides subsp. multibracteatum is commonly propagated by stem cuttings, division, and seeds. These methods are reliable and easy to execute.
Propagation by Stem Cuttings
Stem cuttings should be obtained from a healthy and mature plant. Shoots that are not too woody are suitable for propagation. Cuttings should be taken during the growing season. A length of about 10 centimeters is ideal. Remove the leaves from the lower half of the cutting and dip the cut end into a rooting hormone powder. Plant the cutting in a well-draining potting mix and keep the soil moist. Rooting usually occurs within three to four weeks.
Propagation by Division
Pelargonium alchemilloides subsp. multibracteatum can be propagated by dividing plant clumps during the growing season. Gently remove the plant from its pot and separate the clumps. Replant the divisions in their own containers or in the garden soil.
Propagation by Seeds
Pelargonium alchemilloides subsp. multibracteatum can be propagated from seeds, but it takes a longer time and requires more effort than the other methods. Collect the seeds after the plant blooms in the summer. Sow the seeds in a well-draining soil mix and keep the soil moist. The seeds typically take two to four weeks to germinate. It may take several years for the plants to flower when propagated from seeds.
Disease Management
Pelargonium alchemilloides subsp. multibracteatum is relatively resistant to most diseases; however, some diseases can still affect the plant.
The most common diseases that can infect Pelargonium alchemilloides subsp. multibracteatum are Botrytis blight, powdery mildew, and root rot.
Botrytis blight is a fungal disease that causes grayish-white mold to form on the leaves and stems of the plant. To manage Botrytis blight, it is recommended to remove the affected parts and maintain proper ventilation and humidity levels in the growing area.
Powdery mildew is a fungal disease that causes a white powdery substance to form on the leaves and stems of the plant. The best way to prevent powdery mildew or manage it is by providing good air circulation, reducing humidity, and avoiding overhead irrigation.
Root rot is a fungal or bacterial disease that affects the roots of the plant, causing them to rot and die. To manage root rot, it is essential to avoid overwatering and ensure the soil is well-draining.
Pest Management
Several pests can affect Pelargonium alchemilloides subsp. multibracteatum, including spider mites, aphids, and mealybugs.
Spider mites are tiny arachnids that live on the undersides of leaves and suck the plant's sap, causing yellowing and defoliation. To manage spider mites, it is recommended to remove the affected parts and apply insecticidal soap or horticultural oil to the plant.
Aphids are small insects that suck the plant's sap, causing the leaves to curl and distort. The best way to prevent or manage aphids is to apply insecticidal soap or horticultural oil to the plant and remove any infested parts.
Mealybugs are small white insects that resemble cotton balls and suck sap from the plant, weakening it. To manage mealybugs, it is recommended to use insecticidal soap or horticultural oil, and for severe infestations, the use of systemic pesticides might be necessary.
Regularly inspecting plants for signs of pests and diseases and quickly addressing issues can help keep Pelargonium alchemilloides subsp. multibracteatum healthy and beautiful.
