Overview of Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders
Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders, also known as Hairy-fruited beggarticks, is a herbaceous annual plant species that is part of the family Asteraceae. The plant is native to North America and can be found in the Western United States, Canada, and Mexico.
Appearance of Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders
Hairy-fruited beggarticks is a small plant that typically grows up to 30 cm high and 40 cm wide. It has a thin stem covered with small hairs and elongated, narrow, and pointed leaves that are also covered with small hairs. Its flowers are yellow, and each head is about 1.5 cm wide, occurring singly at the end of branches.
Common Names of Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders
Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders is commonly known as Hairy-fruited beggarticks, Hairy-fruited Bur Marigold and Smallfruited Beggarticks.
Uses of Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders
The plant has been reported to have several medicinal uses by various indigenous tribes and cultures. The Navajo tribe used the plant to treat colds and coughs, while the Hopi tribe used the plant to treat skin ailments, such as rashes and boils. The plant is edible, and some people have used its leaves as a supplement to their diet. Additionally, the plant plays a vital role in its ecosystem as it provides a habitat for several pollinators, including bees and butterflies.
Typical Growth Conditions for Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders
Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders, also known as needleleaf Spanish needle or Arizona beggarticks, is a hardy annual herbaceous plant native to the southwestern United States, including Arizona, New Mexico, and Texas, as well as Mexico.
Light Requirements
Bidens micrantha ssp. ctenophylla requires full sun to partial shade for optimal growth. It thrives in bright light and warm climates and can tolerate direct sunlight for most of the day.
Temperature Requirements
These plants are very adaptable and can grow in a variety of temperature conditions. However, they thrive in warm temperatures ranging from 68-86°F (20-30°C). In regions with harsher winters, they may not survive the colder temperatures, so it's best to grow them as annuals or in a warm climate.
Soil Requirements
These plants can grow in a range of soil types, but they prefer well-draining, moist soils. They can also tolerate slightly alkaline soils. However, it's important to avoid soil that is heavy on clay content, as it can hold too much moisture and cause root rot.
In conclusion, Bidens micrantha Gaud. ssp. ctenophylla is a versatile plant that can adapt to various growth conditions. It requires full sun to partial shade, warm temperatures, and well-draining, moist soils. By providing the necessary conditions, you can grow healthy and vibrant needleleaf Spanish needle plants in your garden.
Cultivation Methods
Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders is a perennial plant that grows well in warm temperatures and can tolerate a variety of soils. The plant prefers full sun to partial shade and requires well-draining soil. It can be propagated by seed or by division of the roots. Plant the seeds or root divisions in the spring to early summer when the soil starts to warm.
Watering Needs
The plant requires regular watering, especially during the growing season. Keep the soil moist, but not waterlogged, to prevent water from accumulating around the roots. Water should be applied directly to the soil, avoiding getting leaves and stems too wet, which can lead to fungal diseases.
Fertilization
Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders benefits from regular fertilization. Apply a balanced, slow-release fertilizer every few months during the growing season to provide the plant with the necessary nutrients to grow healthily. Avoid over-fertilizing as this can lead to excessive growth and reduce the plant's overall health.
Pruning
Pruning Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders is not usually necessary, but it can be beneficial to maintain the plant's size, shape, and overall health. Remove any dead or damaged branches or stems as they appear, and pinch back any long stems to encourage bushier growth. You can also remove spent flowers to promote the continued growth of new flowers.
Propagation of Bidens Micrantha Gaud. Ssp. Ctenophylla (Sherff) Nagata & Ganders
Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders, commonly known as the Hilo marsh marigold, is a drought-tolerant plant native to Hawaii. This plant is a member of the Asteraceae family and typically grows up to 6 feet tall with a spread of up to 5 feet. You can propagate this plant through various methods including seed germination, stem cuttings, and division.
Seed Germination
Seed propagation is the most common method for producing Bidens micrantha ssp. ctenophylla. Collect seeds from mature plants, remove the seed heads, and allow them to dry completely. Sow your seeds in a well-draining soil mix and place them in a warm, well-lit area. Keep the soil moist during germination and thin out the seedlings as they grow. Seed germination usually takes around two to three weeks, and your seedlings should be ready to transplant in about six to eight weeks.
Stem Cuttings
Bidens micrantha ssp. ctenophylla can also be propagated using stem cuttings. Cut a small section of stem from a mature plant, ensuring there are several leaves on the cutting. Dip the cut end into rooting hormone, and plant it in a well-draining soil mix. Keep the soil moist but not waterlogged and place the cutting in a warm, well-lit area. Your cutting should develop roots in about three to four weeks and be ready to transplant in six to eight weeks.
Division
Bidens micrantha ssp. ctenophylla can also be propagated by dividing mature plants. Dig up a clump of the plant, taking care not to damage the roots. Divide the plant into smaller sections, ensuring each section has a sufficient root system. Replant the sections in well-draining soil and water well. Your divided plants should establish themselves in a few weeks and begin to grow again.
Disease and Pest Management for Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders
Bidens micrantha Gaud. ssp. ctenophylla (Sherff) Nagata & Ganders is a relatively hardy plant, but it can be affected by several diseases and pests. Here are some of the common ones and ways to manage them:
Diseases
Leaf Spot: Leaf Spot is a common disease that affects many plants, including Bidens micrantha. It is characterized by small brown or black spots on the leaves. To manage the disease, remove the infected leaves and dispose of them carefully. Avoid overhead watering and keep the foliage as dry as possible.
Rust: Rust is another common disease that can affect Bidens micrantha. It is characterized by orange or reddish spots on the leaves. To manage the disease, remove infected leaves and dispose of them carefully. Avoid watering the foliage and increase airflow around the plant by reducing crowding.
Powdery Mildew: Powdery Mildew is a fungal disease that affects many plants, including Bidens micrantha. It is characterized by a white powdery coating on the leaves. To manage the disease, remove infected leaves and dispose of them carefully. Keep the foliage dry and increase airflow around the plant.
Pests
Aphids: Aphids are small, soft-bodied insects that feed on the plant's sap. They can cause leaves to curl and become distorted. To manage the pest, spray the plant with a strong jet of water to dislodge them, or use insecticidal soap or neem oil.
Spider Mites: Spider Mites are tiny pests that feed on the underside of leaves and cause webbing to appear. They suck the plant's sap, which can cause leaves to yellow and drop off. To manage the pest, spray the plant with a strong jet of water to dislodge them, or use insecticidal soap or neem oil.
Thrips: Thrips are small, slender insects that feed on the plant's leaves and flowers. They can cause leaves to become distorted and flowers to deform. To manage the pest, spray the plant with insecticidal soap or neem oil.
To keep Bidens micrantha healthy, it's important to maintain good growing conditions and monitor the plant regularly for signs of disease and pests. Early detection and intervention are key to managing problems before they get out of control.
