Overview:
Chromolaena bigelovii (Gray) King & H.E. Robins. is a perennial shrub that is native to North and Central America. This plant goes by many names such as bigelow's false willow, Hierba del pajarito, and bigelows nahua sage. Chromolaena Bigelovii is a member of the Asteraceae family and is related to sunflowers and daisies.Appearance:
This shrub has a tall and slender stem with a height of up to 6ft. The leaves of the plant are a bright green color, with a lanceolate or linear shape. The textured leaves are around 4-9cm long and 0.5-2 cm wide. The plant produces beautiful light purple flowers which bloom around August through October.Uses:
The plant has several outdoor uses as well as medicinal properties. The branches of the shrub are commonly used to make baskets, which are sturdy and long-lasting. The leaves and stems of bigelow’s false willow have a number of medicinal properties that have been utilized for centuries. Indigenous communities have used Chromolaena bigelovii to treat a range of illnesses, including colds, flu, digestive problems, and skin conditions. Th stew is also used in traditional Mexican dishes as a flavoring agent. In conclusion, Chromolaena Bigelovii is a beautiful and versatile plant with a range of uses. The shrub's decorative appeal makes it a great addition to festive occasions, while its medicinal properties make it a valuable natural remedy.Light Requirements
Chromolaena bigelovii requires maximum sunlight exposure for optimal growth. This plant thrives in bright sunlight areas and should be placed in an area that receives full sun for eight hours every day. Insufficient sunlight can cause stunted growth, leaf discoloration, and premature leaf fall.
Temperature Requirements
Chromolaena bigelovii requires warm temperatures to grow correctly. This plant can survive and thrive in temperatures ranging from 20-32 degrees Celsius. However, the optimal temperature for its growth is between 25-29 degrees Celsius. These temperatures can be maintained in greenhouse environments, making it an ideal plant for commercial growers.
Soil Requirements
Chromolaena bigelovii thrives in well-drained, fertile soils. The plant prefers soils with a pH range of 6.0 to 7.0. It is essential to ensure that the soil is rich in organic matter, such as compost, to enhance its water retention capacity. Poor drainage often leads to root rot, which can destroy the plant in a short time.
Chromolaena bigelovii can grow in various soil types, including sandy, loam, or clay soils. However, it is recommended to mix the soil with river sand to improve drainage and root development. Additionally, regular application of a balanced fertilizer can support the plant's growth and development.
Cultivation Methods for Chromolaena bigelovii (Gray) King & H.E. Robins.
Chromolaena bigelovii is a drought-resistant plant that thrives in warm temperatures and well-draining soil. It can be grown from seed or stem cuttings. Seeds can be sown directly in the soil during the early spring season, and stem cuttings can be taken during the growing season. The plant prefers full sun to partial shade and can also tolerate partial or full shade.
Watering Needs for Chromolaena bigelovii (Gray) King & H.E. Robins.
Chromolaena bigelovii needs regular watering, especially during the hot and dry summer months. However, overwatering should be avoided as it can lead to root rot. It is best to water the plant deeply and infrequently, ensuring that the soil is well-draining. During the winter months, reduce watering as the plant goes into dormancy.
Fertilization for Chromolaena bigelovii (Gray) King & H.E. Robins.
Chromolaena bigelovii benefits from occasional fertilization during the growing season. A balanced, slow-release fertilizer can be applied once every two months. Alternatively, a liquid fertilizer can be used at half the recommended strength every two weeks. However, it is essential not to over-fertilize as it can lead to weaker growth and susceptibility to pests and diseases.
Pruning Chromolaena bigelovii (Gray) King & H.E. Robins.
Pruning Chromolaena bigelovii is not necessary, but it can help maintain a more compact and bushy shape. The best time to prune is during the early spring season before new growth starts. Cut back any dead, dying, or damaged stems, and trim back any overly long or leggy growth. It is also advisable to remove any spent flowers as this can encourage further flowering.
Propagation of Chromolaena bigelovii (Gray) King & H.E. Robins.
Chromolaena bigelovii is a shurb native to the southwestern United States and northern Mexico. This plant is a subshrub and can be propagated through various methods, including seed germination and cutting.
Seed Germination
The seeds of Chromolaena bigelovii can be collected when the plant is dry. The seeds have a low germination rate and must be scarified. The scarification process involves either scraping or nicking the seed coat to allow water to penetrate. The scarified seeds can then be soaked in water for several hours to improve germination. Plant the seeds in sterilized soil and keep them moist until germination occurs.
Cutting Propagation
Cuttings can be taken from Chromolaena bigelovii, and this method has a higher success rate than seed propagation. The cuttings should be taken from the current year's growth during late spring or early summer. The cuttings should be approximately 3-4 inches long and include at least two nodes. Remove the lower leaves and dip the cuttings in rooting hormone. Plant the cuttings in sterilized soil and keep them moist and in indirect light. Roots should start forming within two to four weeks.
Division
In optimal conditions, Chromolaena bigelovii can grow vigorously and proliferate through rhizomes. It is possible to divide the plant by separating the rhizomes from the mother plant. Each divided section should contain both roots and shoots. The divided sections can then be planted in fertilized soil and kept moist to promote healthy growth.
Disease Management for Chromolaena bigelovii
Chromolaena bigelovii is a hardy plant that can resist several diseases. However, some of the common diseases that might affect this plant include:
- Root rot: This is a fungal disease that causes the roots to rot, leading to stunted growth and wilting. It is caused by overwatering and poor drainage. To prevent root rot, ensure that the soil is well-draining, and water the plant only when necessary.
- Powdery mildew: This is a fungal disease that first appears as white or grayish powdery spots on the leaves. It is caused by high humidity and poor air circulation. To manage powdery mildew, prune the affected leaves, improve air circulation, and avoid overhead watering.
- Leaf spot: This is a fungal disease that causes brown or black spots on the leaves. It is caused by high humidity, poor air circulation, and overwatering. To prevent leaf spot, ensure that the plant is not overcrowded, and water the plant only when necessary. Prune affected leaves to prevent further spread of the disease.
Pest Management for Chromolaena bigelovii
Chromolaena bigelovii is also prone to pests that may damage the plant. Some of the common pests that might affect the plant include:
- Aphids: These are small, soft-bodied insects that suck the sap from the leaves. They are usually found in colonies and can cause yellowing and curling of leaves. To manage aphids, use insecticidal soap or neem oil.
- Spider mites: These are tiny pests that feed on the plant's sap, causing yellowing of leaves and the appearance of webs. To manage spider mites, use insecticidal soap or neem oil and ensure that the plant is well-hydrated.
- Caterpillars: These are the larvae of moths and butterflies that feed on the leaves, causing holes and defoliation. To manage caterpillars, pick them off the plant by hand or use biological controls such as Bacillus thuringiensis.
Regular monitoring of the plant for signs of disease or pest infestation is essential to manage these issues effectively. It is also important to keep the plant healthy by providing optimal growing conditions such as proper watering and fertilization.
