Overview
Eriogonum lemmonii S. Wats. is a woody perennial plant species that is native to the western regions of North America. Commonly known as Lemmon's buckwheat, this plant species is a member of the Polygonaceae family and is known to have several medicinal properties.
Appearance
Eriogonum lemmonii S. Wats. is a small, shrubby plant that typically grows to a height of around 1 to 2 feet and has a spread of about the same. The plant has narrow, oblong-shaped leaves that are about 1 inch in length and are a pale green color. The flowers of the plant are small and white and grow in clusters at the end of the branches.
Common Names
Eriogonum lemmonii S. Wats. is commonly known by several names, including Lemmon's buckwheat, Lemmon's wild buckwheat, and sulfur buckwheat.
Origin
Eriogonum lemmonii S. Wats. is found in western regions of North America, including California, Arizona, Nevada, New Mexico, and Utah. The plant prefers to grow in dry and rocky habitats, such as sagebrush and chaparral communities, and can tolerate many soil types, including disturbed soils.
Uses
Eriogonum lemmonii S. Wats. has been traditionally used by Native American tribes for its medicinal properties. The plant contains several compounds that have been found to have anti-inflammatory and antibacterial properties and can be used to treat a variety of ailments, including stomach issues, sore throats, and infections. In addition, the plant is also used as a food source by some Native American tribes, who grind the seeds into flour to make bread.
Light Requirements
Eriogonum lemmonii S. Wats., commonly known as Lemmon's buckwheat, requires ample sunlight to thrive. This plant prefers full sun to partial shade, and it is not recommended to grow in shady areas.
Temperature Requirements
As native to southwestern United States, Lemmon's buckwheat tolerates extremely high temperatures. It can withstand hot and dry climates with temperatures ranging from 85-110°F. This plant can also grow in moderately cold winters where temperatures drop below freezing.
Soil Requirements
Eriogonum lemmonii S. Wats. grows best in well-draining soil with adequate organic matter content. The plant prefers sandy or gravelly soils rich in minerals and organic matter. The pH level of the soil should range from neutral to slightly acidic. The potassium and phosphorus content in the soil should be moderate, and nitrogen content should be low to moderate.
Cultivation of Eriogonum lemmonii S. Wats.
Eriogonum lemmonii S. Wats. is a drought-tolerant plant that prefers full sun exposure and well-draining soil. When planting, ensure there is enough space for the plant to spread. Choose a spot with good air circulation to prevent fungal diseases.
Although the plant is drought-tolerant, it needs regular watering until established. Water the plant deeply once a week during the growing season. In the winter season, reduce watering to once every two weeks.
Watering Needs for Eriogonum lemmonii S. Wats.
Give the plant an ample amount of water during the first year of establishment. Once established, reduce the watering frequency to once a week during the growing season. Avoid watering the plant from above, as it may promote fungal diseases. Instead, use a drip irrigation system to deliver water directly to the roots.
Fertilizing Eriogonum lemmonii S. Wats.
Eriogonum lemmonii S. Wats. is a low-maintenance plant that does not require regular fertilization. In some cases, it can benefit from a light application of a balanced fertilizer during the growing season. Apply the fertilizer at a rate of one tablespoon per square foot of the plant's canopy. Be sure to mix the fertilizer thoroughly with the soil before watering.
Pruning Eriogonum lemmonii S. Wats.
Prune the plant in the late winter or early spring before the new growth appears. Use sharp and clean pruning shears to make the cuts. Remove any dead or damaged branches. Pruning may promote bushier growth and more prolific flowering in the following season.
Propagation of Eriogonum lemmonii S. Wats.
Eriogonum lemmonii S. Wats. or Lemmon's buckwheat is a high-elevation flowering plant native to some regions of California and Arizona. It is an herbaceous perennial that grows up to 30 cm tall and has showy bright yellow flowers that bloom from mid-summer to early autumn. Propagation of E. lemmonii can be achieved through different methods such as seeds, cuttings, and division.
Seed Propagation
The most common way to propagate E. lemmonii is by seed. Seeds can be collected in late summer or early fall when they are mature and dark brown. Before sowing, the seeds should be stratified by placing them in the refrigerator at 4°C for six to eight weeks to break dormancy. After stratification, the seeds can be sown directly into pots or trays in a well-draining soil mix and covered with a thin layer of sand. Water the soil regularly to keep it moist and place the pots or trays in a bright, but not direct sunlight location. Germination can take up to several weeks, and the seedlings should be protected from frost during their first winter.
Cutting Propagation
E. lemmonii can also be propagated by taking cuttings. Cuttings should be taken from new growth in late spring or early summer when the plant is actively growing. The cuttings should be about 10-15 cm long, and the lower leaves should be removed. Dip the cuttings in rooting hormone powder and insert them in a well-draining soil mix that has been moistened. Cover the pot with a plastic bag to increase humidity and place it in a bright location, but not in direct sunlight. Keep the soil moist and remove the plastic bag once the cuttings have rooted, which can take several weeks.
Division
Lastly, E. lemmonii can be propagated by division in the early spring. Established plants can be carefully dug up, and the root ball should be divided into several sections using a sharp, clean knife. Each section should have some roots and several stems. Plant each division in a well-draining soil mix, and water it well. Keep the newly transplanted plants shaded for the first few days to help reduce transplant shock.
Disease and Pest Management for Eriogonum lemmonii S. Wats.
Eriogonum lemmonii S. Wats., commonly known as Lemmon's buckwheat, is a perennial plant species native to the southwestern United States. While it is generally a hardy plant, it can be susceptible to certain diseases and pests that can affect its growth and overall health. Here are some common problems that may be encountered when growing Eriogonum lemmonii S. Wats. and ways to manage them:
Diseases:
Powdery Mildew: This fungal disease can cause a white powdery coating on the leaves and stems of Eriogonum lemmonii S. Wats. To manage powdery mildew, ensure adequate air circulation around the plant by spacing them out at the proper distance. Watering from below can also help reduce humidity around the leaves. There are various copper-based fungicides that can also be applied to manage powdery mildew.
Rust: This fungal disease can cause yellow to orange rust spots on the leaves of Eriogonum lemmonii S. Wats. To manage rust, prune off any infected plant parts, and dispose of them properly. A copper fungicide can also be applied to manage the disease.
Pests:
Aphids: These small insects can be seen on the undersides of the leaves of Eriogonum lemmonii S. Wats. Aphids excrete a sticky substance onto the leaves, which can attract other pests and cause black sooty mold. To manage aphids, use a strong spray of water to dislodge them from the plant. Neem oil and insecticidal soap can also be sprayed onto the plant to manage the pests.
Spider Mites: These pests are too small to be seen with the naked eye, but their presence can be detected by the tiny webs they produce on the plant. Spider mites can cause leaves to yellow and eventually fall off the plant. To manage spider mites, spray the plant with a strong jet of water to knock them off, and apply a miticide to kill any remaining pests.
By being vigilant for signs of disease and pests, and managing them promptly, you can help ensure healthy growth and beautiful flowers on your Eriogonum lemmonii S. Wats. plant.
