Overview of Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams
Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams is a species of flowering plant that belongs to the family Convolvulaceae. This species is commonly known by several names, including Rock morning-glory, Calistoga bindweed, and Poor man's bindweed. This plant species is native to North America and can primarily be found in California, Arizona, Utah, and Nevada.
Appearance of Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams
Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams has a sprawling growth habit with a height that ranges from 10 – 80 cm. Its leaves are oval to triangular-shaped, 1–5 cm long and covered with hair. The plant produces slightly curved or coiled trumpet-shaped flowers in varying colors like pink, white, or purple, which are approximately 2.5 cm in diameter. The blooms are usually seen from April to September, after which the plant produces fruits that contain seeds.
Uses of Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams
Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams is not widely known for commercial or medicinal uses, but some tribes in California have used this plant species for medicinal purposes. The Pomo Indians used the plant's leaves and blossoms to treat headaches, while the Miwok Indians used a decoction of the plant's roots to treat coughs and colds.
This plant species is also an excellent ornamental plant that can be used to decorate gardens and landscapes. Its colorful flowers and attractive foliage make it an impressive addition to the garden. Also, as a robust plant that can withstand different weather conditions, it is ideal for landscaping gardens, slopes, or hillsides.
However, it is essential to note that Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams can become quite invasive in some areas. As such, gardeners should check the plant's invasive tendencies in their location before planting it.
Light Requirements
The Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams plant prefers to grow in full sunlight. It requires at least six hours of direct sunlight every day to flourish. Partial shade may also work for the plant but it is not recommended. Inadequate sunlight can lead to stunted growth and reduced production of flowers and seeds.
Temperature Requirements
The Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams plant thrives in warm temperatures. It prefers temperatures between 65°F to 85°F (18°C to 30°C). The plant cannot grow in areas where the temperature falls below 55°F (13°C). As a result, it's better suited for USDA hardiness zones 9 through 11. When the temperature is too low, the plant will not flower nor produce seeds. Conversely, high temperatures above 95°F (35°C) can cause the plant to die back.
Soil Requirements
The Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams plant thrives in well-drained soil with a pH between 6.5 and 7.5. The plant prefers a soil mixture consisting of sand, loam, and clay in equal parts. Additionally, the soil should be rich in organic matter and should be able to retain moisture but not become waterlogged. The plant cannot survive in waterlogged soil since it leads to root rot.
Cultivation and Care of Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams
Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams is a delicate and beautiful plant that brightens up any garden with its vibrant blooms. If you want to grow this plant, here's what you should know about its cultivation and care:
Planting
The Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams is mainly grown from seed in loose, well-draining soil. It can be planted in the early spring or fall, and the spacing between each plant should be at least 6 to 8 inches.
Watering
This plant is drought-tolerant, but it still needs regular watering to thrive. The soil should be moist, but not waterlogged, so it's best to water it deeply once a week or more, depending on the climate and rainfall.
Fertilization
Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams is not a heavy feeder, so it doesn't require a lot of fertilization. You can use a slow-release fertilizer, applied once in the spring, or use a liquid fertilizer, applied every two to three weeks.
Pruning
To keep the plant neat and bushy, you can pinch off the tips when the plant is young, but otherwise, Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams requires very little pruning. If you notice any dead or yellowing leaves, remove them to prevent the spread of disease.
Propagation of Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams
Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams can be propagated by seeds, stem cuttings, and division.
Propagation by Seeds
The seeds of Convolvulus malacophyllus should be sown in well-draining soil in spring. The seeds should be sown at a depth of 1/4 inch and spaced a few inches apart. The soil should be kept moist until the seedlings emerge, which usually takes about 10 to 14 days. Once the seedlings have developed their first true leaves, they can be transplanted into their permanent location.
Propagation by Stem Cuttings
Convolvulus malacophyllus can also be propagated by stem cuttings. The best time to take stem cuttings is during spring or early summer when the plant is actively growing. Take 3-4 inch stem cuttings with a few sets of leaves and dip the cut end into rooting hormone. Plant the cuttings in well-draining soil and keep the soil moist. In about 4-6 weeks, the cuttings should have rooted and can be transplanted into their permanent location.
Propagation by Division
Convolvulus malacophyllus can also be propagated by division. This method involves separating the plant into individual sections and replanting them. The best time to divide the plant is during early spring before new growth has started. Dig up the entire plant, separating the roots into individual sections. Replant each section in a well-draining soil and water thoroughly.
Disease Management
Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams is generally a hardy plant that can withstand a variety of environmental stresses. However, like all plants, it is susceptible to certain diseases and infections that can compromise its health and vigor. Some of the most common diseases that affect these plants include:
- Leaf spot: This is a fungal disease that affects the leaves of the plant, causing them to develop dark, sunken spots. To manage this disease, it is recommended to remove any infected leaves and destroy them immediately. The use of fungicides may also be necessary in severe cases.
- Powdery mildew: This is another fungal disease that affects the leaves, causing a powdery white coating to develop on the surface. To manage this disease, it is recommended to prune any affected branches and leaves and improve air circulation around the plant.
- Root rot: This is a bacterial disease that affects the roots of the plant, causing them to decay and ultimately leading to the death of the plant. To manage this disease, it is important to ensure that the soil is well-drained and not too wet, as excess moisture can promote the growth of the bacteria that cause root rot.
Pest Management
In addition to diseases, Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams may also be subject to attack by various pests, including:
- Aphids: These tiny insects suck sap from the leaves of the plant, causing them to wilt and sometimes die. To manage aphids, it is recommended to spray the plant with a mixture of water and insecticidal soap or neem oil.
- Spider mites: These pests are common in dry, arid regions and can cause significant damage to the leaves of the plant. To manage spider mites, it is recommended to spray the plant with a mixture of water and insecticidal soap or neem oil.
- Cutworms: These larvae feed on the leaves and stems of the plant, often severing them completely. To manage cutworms, it is recommended to place a barrier of diatomaceous earth around the plant or use a commercial insecticide.
Overall, the key to managing both diseases and pests in Convolvulus malacophyllus Greene ssp. collinus (Greene) Abrams is to maintain proper cultural practices, such as adequate watering, proper pruning, and regular fertilization. Additionally, early detection and intervention are critical in preventing the spread of disease and the establishment of pest infestations.