Origin of Delosperma angustifolium L.Bolus
Delosperma angustifolium L.Bolus, also known as narrow-leaved delosperma, is native to the dry grasslands and rocky slopes of the Western Cape province of South Africa.
Common Names of Delosperma angustifolium L.Bolus
Delosperma angustifolium L.Bolus is commonly known as narrow-leaved delosperma or narrow-leaved ice plant due to its characteristic succulent leaves and dazzling appearance.
Uses of Delosperma angustifolium L.Bolus
Delosperma angustifolium L.Bolus is typically used for ornamental purposes due to its vibrant and distinctive appearance. It is frequently cultivated as a groundcover plant because it spreads rapidly and forms attractive mats of flowers and foliage.
General Appearance of Delosperma angustifolium L.Bolus
Delosperma angustifolium L.Bolus is a low-growing succulent plant with long, narrow leaves that range from green to purple. It produces bright pink flowers with yellow centers that bloom from early summer through fall. The plant grows up to 4 inches in height and spreads up to 12 inches, forming dense, low-growing mats.
Light Requirements
Delosperma angustifolium L.Bolus requires full sun exposure to partial shade. It thrives in hot and dry conditions, making it a suitable plant for desert gardens or rock gardens.
Temperature Requirements
Delosperma angustifolium L.Bolus is a hardy plant that grows well in USDA zones 5 to 9. It can tolerate temperatures ranging from -20°F to 120°F. However, it needs protection from snowy and icy conditions during the winter.
Soil Requirements
Delosperma angustifolium L.Bolus prefers well-draining soil with a neutral to slightly acidic pH level. It can grow in poor soil and rocky areas but needs proper drainage. Adding sand, gravel, or perlite to the soil can improve drainage.
Cultivation methods:
Delosperma angustifolium L.Bolus is a drought-tolerant plant that prefers well-draining soil. You can cultivate this plant in containers or in the garden bed. If you choose to plant it in the garden, ensure to space the plants at least 12 inches apart to provide enough room for growth. The plant also prefers full sunlight and can tolerate high temperatures.
Watering needs:
When cultivating Delosperma angustifolium L.Bolus, it's crucial to keep the soil dry. Water only when the soil is completely dry, usually every two weeks. If you observe that the leaves start to shrivel, increase the frequency of watering. Water deeply, but ensure that the soil dries out between watering to prevent root rot.
Fertilization:
Delosperma angustifolium L.Bolus doesn't require frequent fertilization. You can fertilize the plant lightly during the growing season using a low-nitrogen fertilizer. However, excessive fertilization can lead to a reduction in flower production.
Pruning:
To encourage bushier growth, you can prune the Delosperma angustifolium L.Bolus lightly. Use sterilized pruning shears to cut away the spent blooms above the leaves. Pruning will also improve air circulation around the plant and prevent diseases. However, you can avoid pruning if you prefer a more natural look.
Propagation of Delosperma angustifolium L.Bolus Plant
Delosperma angustifolium L.Bolus, commonly known as the Narrow-leaved Ice Plant, is a popular ornamental drought-tolerant succulent. The plant is native to South Africa and is usually propagated by seeds, stem cuttings or division.
Propagation by Seeds
Propagation by seeds is the easiest method for Delosperma angustifolium L.Bolus. Collect ripe seeds and sow them in well-drained potting soil mix during spring or summer. Cover the seeds with a thin layer of soil and keep it moist until germination. Seedlings will usually emerge within 14 to 21 days. Once the seedlings develop their second set of leaves, they can be transplanted to larger pots or containers.
Propagation by Stem Cuttings
Propagation by stem cuttings is another effective method for Delosperma angustifolium L.Bolus. Cut a stem from the plant that is at least 2-3 inches long and has a few leaves attached to it. Allow the cutting to dry for a day before dipping it into rooting hormone powder. Plant the cutting in well-draining soil and keep it in a warm and bright spot. Water the plant sparingly to prevent rotting. The cutting will usually develop roots within 2 to 4 weeks.
Propagation by Division
Propagation by division is a method for mature Delosperma angustifolium L.Bolus plants that have outgrown their pot or container. Carefully remove the plant from the container and separate the offsets from the main plant. Plant the offsets in a new well-drained container or garden bed. Be careful not to damage the roots when separating the offsets. Water the plant only when the soil becomes dry to the touch.
Disease and Pest Management for Delosperma angustifolium L.Bolus
Delosperma angustifolium L.Bolus, commonly known as narrow-leaved ice plant, is susceptible to a few common diseases and pests. Here are some ways to manage them.
Common Diseases
One of the most common diseases that can affect Delosperma angustifolium is stem rot, caused by the fungus Rhizoctonia solani. It can cause wilting, yellowing of leaves, and eventual death of the plant. To manage it, avoid overhead watering, remove infected plant parts immediately, and apply a fungicide. Powdery mildew caused by Erysiphe cichoracearum can also affect the plant. It can be managed by ensuring good air circulation, avoiding overhead watering, and applying fungicides. Crown rot caused by Phytophthora can be treated by improving soil drainage.
Common Pests
Delosperma angustifolium is also vulnerable to some common pests. One such pest is the mealybug, which feeds on sap and can cause yellowing of leaves and stunted growth. It can be managed by removing the affected part, spraying insecticidal soap or horticultural oil, or using natural predators like ladybugs.
Another pest that can affect the plant is the spider mite which sucks the sap from the plant resulting in yellowing and mottled leaves. You can remove them by washing the plant with water or spraying insecticidal soap. Thrips can also affect the plant, causing silvery speckling and distorted leaves. They can be managed by spraying insecticidal soap or pyrethrin insecticide on the plant.
It is always best to keep a regular check on the plant for signs of diseases and pests to catch and treat them early. Good cultural practices like maintaining good soil drainage, air circulation, and avoiding overhead watering can also help prevent the incidence of diseases and pests.
