Overview of Evolvulus Lavae Schweinf. ex Deflers
Evolvulus Lavae, also known as Evolvulus alsinoides var. glabrescens and Evolvulus convolvuloides, is a low-growing herb that belongs to the family Convolvulaceae. It is native to Madagascar, Africa but has also been found in neighboring countries like Comoros, Mauritius, and Réunion Island.
Common Names
The plant has several common names, including Blue Eyed Grass, Dwarf Morning Glory, Evolvulus alsinoides, and Littletuft Blue Eyed Grass.
Appearance
Evolvulus Lavae Schweinf. ex Deflers is an annual or perennial herb that usually grows up to 40 cm in height. The plant has a succulent stem, which is green or slightly purplish in color. Its leaves are simple, alternate, and linear in shape, measuring 0.5-2.5 cm long and 0.2-0.8 cm wide. The leaves are green and smooth on the upper surface and hairy on the lower surface.
The plant's flowers are blue, funnel-shaped, and measure around 1-2 cm in diameter. They grow in clusters in the axils of the leaves and bloom in the summer and fall. The plant's fruit is a capsule containing four seeds and covered in silky hairs.
Uses
Evolvulus Lavae plant has traditionally been used in several African countries for its medicinal properties, including treatment of fever, headaches, and liver disorders. It has also been used in Ayurveda and Chinese medicine to treat various ailments, including memory loss, anxiety, and depression.
The plant is sometimes used for ornamental purposes, thanks to its beautiful blue flowers and compact size. It is also grown as a ground cover in gardens or used to add color to border planting or rock gardens.
Evolvulus Lavae Schweinf. ex Deflers is a low-maintenance plant that thrives in full sun or partial shade and well-drained soil. It is an excellent choice for gardeners looking for a beautiful and versatile plant that requires minimal care.
Growth Conditions for Evolvulus lavae Schweinf. ex Deflers
Evolvulus lavae Schweinf. ex Deflers is a perennial plant that is native to Madagascar. It is commonly known as Djahe, and it is a member of the Convolvulaceae family. This plant is well-known for its beautiful blue flowers that bloom continuously throughout the growing season. In order for Evolvulus lavae to grow successfully, it requires specific growth conditions.
Light Requirements
Evolvulus lavae requires full sun to grow properly. The plant needs a minimum of 6 hours of direct sunlight per day to thrive. When grown in shaded areas, this plant becomes leggy and produces fewer flowers. Therefore, it is recommended to plant Evolvulus lavae in a location that receives ample sunlight.
Temperature Requirements
This plant can tolerate high temperatures and does well in warm climates. The optimum temperature for Evolvulus lavae is between 60 and 90 degrees Fahrenheit. When the temperature drops below 50 degrees Fahrenheit, it indicates stress and can cause the plant's growth to slow down. Therefore, it is essential to maintain a suitable temperature range for this plant to flourish.
Soil Requirements
Evolvulus lavae requires well-drained, sandy soil to grow optimally. The pH range should be between 6.0 and 7.5, and the soil must be rich in nutrients. However, it is crucial not to over-fertilize the plant as it may lead to excessive foliage growth and fewer flowers. It is recommended to add organic matter to the soil several weeks before planting to improve the soil's quality and drainage.
In conclusion, when the growth conditions of Evolvulus lavae are met, this plant can thrive and offer a beautiful display of blue flowers. Providing a sunny location, suitable temperature, and well-drained soil would contribute to the best growth possible for this plant.
Cultivation
Evolvulus lavae Schweinf. ex Deflers is a drought-resistant plant that prefers being grown in tropical or subtropical climates. It thrives in full sunlight and needs well-drained soil for optimal growth.
The plant should be grown in an area protected from strong winds. It can be propagated by cuttings or by seeds.
Watering Needs
While Evolvulus lavae Schweinf. ex Deflers is drought-resistant, it still needs regular watering. It is best to water the plant deeply once a week rather than giving it frequent, shallow waterings.
Do not allow the soil to dry out completely, as this can cause damage to the plant's roots. Water the plant more frequently during hot, dry weather.
Fertilization
Evolvulus lavae Schweinf. ex Deflers benefits from regular fertilization. Feed the plant with a balanced fertilizer once every two months during the growing season.
It is important not to overfertilize the plant, as this can cause damage to the roots and reduce its overall health.
Pruning
Pruning is not necessary for Evolvulus lavae Schweinf. ex Deflers, but it can help to keep the plant looking tidy and promote healthy growth.
Remove any dead or diseased branches as soon as they appear. Trim back the tips of the plant's branches to encourage new growth and help it maintain its shape.
Propagation of Evolvulus lavae Schweinf. ex Deflers
Evolvulus lavae Schweinf. ex Deflers can be propagated using various techniques such as seeds, stem cuttings, and division. Each method has its advantages and disadvantages.
Propagation through Seeds
The easiest and most common way to propagate Evolvulus lavae is through seeds. Collect the seeds from the parent plant in early autumn, and sow them in spring. The seeds germinate easily in well-drained soil. Seeds should be sown 1-2 inches deep and spaced at least 2-3 inches apart.
Propagation through Stem Cuttings
Stem cuttings are also a reliable method of propagation for Evolvulus lavae. Cut a stem from the parent plant 4-6 inches long with a sharp, sterilized cutting tool and ensure there are at least two leaves on the cutting. Remove the lower leaves, and dip the cutting into rooting hormone. Place the cutting into a container of well-draining soil and lightly water. Keep the cutting out of direct sunlight and in a warm spot, at 18-23°C with high humidity. With proper care, the stem cutting will develop roots in three to four weeks and can be transplanted.
Propagation through Division
Propagation of Evolvulus lavae can also be done through division. Divide the parent plant during the spring season, before the new growth appears. Carefully lift the plant out of its soil, and separate the root ball into two or three sections, with each rooted section having healthy stems and leaves. Transplant each section into individual pots or directly into the garden bed. Be sure to water the plant well after transplanting.
Disease Management
Evolvulus lavae Schweinf. ex Deflers is generally a disease-resistant plant, but it is not completely immune to certain types of diseases. Here are some common plant diseases and ways to manage them:
Leaf Spot Disease
Leaf spot disease is caused by a fungus that can cause red or brown spots on leaves. Leaf spots can cause the leaves of the plant to turn yellow and fall off. The best way to manage leaf spot disease is to remove affected leaves immediately to stop the spread of the fungus. It is also important to avoid watering the leaves of the plant to prevent its spread.
Root Rot
Root rot is caused by a fungus that can cause the plant's roots to decay, making it difficult for the plant to absorb nutrients and water. The symptoms of root rot include wilting, yellowing leaves, and stunted growth. To manage root rot, you can improve soil drainage, avoid overwatering, and remove any infected roots.
Pest Management
Evolvulus lavae Schweinf. ex Deflers is also vulnerable to certain types of pests. Here are some common pests and ways to manage them:
Spider Mites
Spider mites are tiny pests that can cause yellow or bronze spots on leaves and cause them to eventually fall off. One way to manage spider mites is by spraying the plant with water to remove them. You can also use insecticidal soap to kill spider mites and prevent them from coming back.
Whiteflies
Whiteflies are small white insects that can cause yellowing of the leaves, stunted growth, and leaf drop. To manage whiteflies, you can use sticky traps to catch them, spray the plant with insecticidal soap, or introduce natural predators like ladybugs.
