Origin
Dichondra repens auct. non J.R. & G. Forst. is a low-growing perennial plant native to Australia and New Zealand. It is commonly referred to as Kidney weed.
Common Names
Dichondra repens auct. non J.R. & G. Forst. is commonly known as Kidney weed, Dichondra, or Mercury weed.
Uses
Dichondra repens auct. non J.R. & G. Forst. is commonly used as a ground cover due to its ability to spread horizontally along the soil surface. It can tolerate light foot traffic and is a popular alternative to turf grass. The plant is also used in hanging baskets and as an indoor plant. In some cultures, the leaves of Dichondra repens auct. non J.R. & G. Forst. are used for medicinal purposes for the treatment of skin rashes and insect bites.
General Appearance
Dichondra repens auct. non J.R. & G. Forst. is a creeping plant that forms a low, mat-like ground cover. It has kidney-shaped leaves that are bright green in color and grow to around 1-2 cm in diameter. The stems of the plant can reach up to 1m in length, and it produces small, inconspicuous flowers that are green or yellow in color. The plant prefers growing in wet or moist soil and can tolerate partial shade to full sun.
Light Requirements
Dichondra repens requires partial shade to full sun exposure for optimal growth. However, it prefers partial shade during the hottest part of the day. In areas with high temperatures, it may require protection to prevent leaf scorching.
Temperature Requirements
This plant grows well in a temperature range of 12-27 degrees Celsius. It cannot tolerate frost and may die if exposed to temperatures below 0°C. It adapts well to a wide range of temperatures and can survive in both cool and warm climates.
Soil Requirements
Dichondra repens grows best in well-draining soil that is rich in organic matter. It thrives in neutral to slightly acidic soils with a pH range of 6.0-7.0. It does not do well in heavy clay soils that retain water and may suffer from root rot if left in excessively wet soil.
Adequate levels of soil moisture are crucial for the growth of Dichondra repens. It requires regular watering, especially during dry periods, and may require supplemental irrigation in areas with low rainfall.
Cultivation Methods
Dichondra repens is fairly easy to cultivate. The plant prefers full sun but can tolerate partial shade. It also thrives in well-drained soil with a pH of 5.5 to 6.5. It can be grown in pots or directly in the ground, but it requires space for its trailing growth habit, so ensure to plant it where it has room to spread.
Watering Needs
Dichondra repens requires regular watering. For optimum growth, it needs moist soil, but make sure it's not waterlogged. The frequency of watering will vary based on the weather conditions and the soil type. During hot or dry weather, water the plant more frequently, ensuring the soil doesn't dry out. Conversely, during cooler or wetter weather, cut back on watering.
Fertilization
Your Dichondra repens will perform at its best when it is provided with a balanced fertilizer. You can apply organic or inorganic fertilizer once or twice a month during the growing season to support its growth. Fertilizers high in nitrogen content are ideal for this plant, but avoid over-fertilization, which may result in weak growth.
Pruning
Because Dichondra repens is a ground cover, it doesn't require pruning to maintain its shape. Deadheading the plant as needed promotes vigorous growth. Regular trimming is necessary in situations where the plant has overgrown its designated area or to remove any yellowing or damaged foliage. Use clean, sharp tools to prevent ripping or tearing of the plant tissue.
Propagation of Dichondra repens
Dichondra repens is a fast-growing, creeping perennial that is widely used as a ground cover. There are several methods of propagating Dichondra repens, including:
Seeds propagation
The most commonly used method to propagate Dichondra repens is by using seeds. The seeds can be sown directly into the soil, but it is recommended to start them indoors in trays or pots first. The seeds should be lightly covered with soil, kept moist and warm (around 20°C), and should germinate within 1-2 weeks. Once the seedlings have developed their first true leaves, they can be transplanted into their permanent location.
Cutting propagation
Dichondra repens can also be propagated by taking stem cuttings. The best time to take the cuttings is during the early summer when the plant is actively growing. Cuttings should be approximately 10cm long and should be taken from healthy, disease-free plants. Remove the lower leaves and dip the cut end into a rooting hormone before planting them in well-draining soil. The cuttings should be kept moist and warm (around 20°C) until they have established roots, which usually takes 2-3 weeks.
Division propagation
An additional method of propagating Dichondra repens is by dividing an existing plant. This method is best done in the spring before new growth appears. The plant should be dug up, and the roots should be divided into smaller sections, each containing several stems. Replant the sections in well-draining soil and keep them moist until new growth appears.
Disease and Pest Management for Dichondra repens
Dichondra repens, also known as kidney weed, is a low-growing plant with a creeping habit. It is used as a ground cover in many areas due to its rapid spreading ability. As with any plant, Dichondra repens is susceptible to disease and pest problems. Here are some common diseases and pests that might affect the plant and ways to manage them:
Common Diseases
1. Gray Mold: Gray mold is a fungal disease that affects Dichondra repens. It causes the leaves to become brown and water-soaked, eventually leading to the plant's death. Managing gray mold involves reducing humidity by providing enough space between plants and avoiding overwatering. The use of copper-based fungicides can also be helpful in controlling the spread of the disease.
2. Powdery Mildew: Powdery mildew is another fungal disease that affects Dichondra repens. It leads to a powdery white coating on the leaves and stems, making the plant unsightly. Managing powdery mildew often involves removing infected parts of the plant and ensuring good air circulation. Fungicides containing sulfur or neem oil can also be used to control the disease.
Common Pests
1. Spider Mites: Spider mites are tiny pests that suck sap from the plant, leading to yellowing and browning of the leaves. They are common in hot and dry conditions. Managing spider mites involves foliar sprays of insecticidal soap or neem oil. Increasing humidity levels and providing adequate watering can also help.
2. Aphids: Aphids are small, soft-bodied insects that feed on the sap of plants. They are common in cool and moist conditions. They cause curling and yellowing of leaves and the production of honeydew. Managing aphids involves handpicking the insects or using insecticidal soap or neem oil sprays. Encouraging natural predators such as ladybugs can also be helpful.
3. Slugs and Snails: Slugs and snails are common pests that feed on the leaves of Dichondra repens. Managing these pests involves eliminating moist hiding places such as rocks and mulch and handpicking the pests. Copper tape or copper-based sprays can also be used as a barrier to prevent them from feeding on the plant.
In conclusion, proper disease and pest management are essential in maintaining a healthy and attractive Dichondra repens plant. Monitoring the plant regularly and taking action when necessary can prevent significant damage and ensure the plant's survival.