Origin and Common Names
Alchemilla commutata Rothm. forma robusta Rothm. is a plant species that belongs to the Rosaceae family. It is native to the Caucasus Mountains and is commonly known as robust lady's mantle.Appearance
This herbaceous perennial plant is small, growing only up to 30 cm in height and spreading up to 50 cm in width. It has lobed and hairy leaves, which are green on the upper side and slightly grayish underneath. The leaves are held on stems that grow from the base of the plant.Uses
The plant's leaves are used for medicinal purposes, particularly in traditional medicine. They are believed to have diuretic and antidiarrheal properties, among other uses. Additionally, the plant is grown as an ornamental flower in gardens due to its attractive appearance and ease of care. It is a hardy plant that thrives in shaded areas and moist soils. In conclusion, Alchemilla commutata Rothm. forma robusta Rothm. is a small herbaceous perennial with lobed and hairy leaves that is commonly known as robust lady's mantle. Its leaves are used for medicinal purposes, and it is also grown as an ornamental flower in gardens.Light Requirements
The Alchemilla commutata Rothm. forma robusta Rothm. tends to prefer partial to full shade. Avoid exposing it directly to intense sunlight as it may suffer from leaf scorching, curling, or drying out. It is best to put the plant in a spot with dappled light or indirect sunlight.
Temperature Requirements
The Alchemilla commutata Rothm. forma robusta Rothm. can thrive in a wide range of temperature, from cool to moderate climates. It can withstand temperatures as low as -30 degrees Celcius (-22 degrees Fahrenheit) to as high as 25 degrees Celsius (77 degrees Fahrenheit). However, during hot summer days, it may require more moisture than usual to cope with the heat.
Soil Requirements
This plant prefers moist but well-draining soil that is rich in organic matter. The ideal soil pH is between 5.5 to 6.5. A loam or sandy loam soil type will suit it well. It is also recommended to mix some peat moss, leaf mold or compost to the soil to improve its water retention capability and fertility. Make sure the soil is not compacted, as it can hinder the plant's root growth and nutrient uptake.
Cultivation methods
Alchemilla commutata Rothm. forma robusta Rothm. is a perennial herbaceous plant that is native to alpine meadows and rocky slopes. It is typically grown in garden beds or containers. The plant prefers well-drained soil, preferably sandy or loamy, with a pH range of 6.0 to 7.5. It is best grown in a sunny or partially shaded area, and in cool to moderate temperatures.
Propagation of the plant can be done by seeds, dividing mature plant clumps or by rooting stem cuttings.
Watering needs
Alchemilla commutata Rothm. forma robusta Rothm. requires regular watering, especially during dry seasons. However, overwatering should be avoided, as it can lead to root rot and other fungal diseases. The plant should be watered at its base, rather than from above, to prevent water from settling on its leaves.
Fertilization
The plant requires moderate fertilization, especially during its growing and flowering periods. A well-balanced fertilizer with an NPK ratio of 10-10-10 is ideal. The fertilizer should be applied at the base of the plant, following the manufacturer's instructions. Organic fertilizers such as compost and well-rotted manure can also be used to supply nutrients to the plant.
Pruning
Dead-heading spent flowers is important for maintaining the plant's appearance, as well as stimulating the growth of new buds. Pruning the plant in late fall or early spring will help to maintain its shape. Any damaged or diseased foliage should be removed immediately. In addition, any yellowing or brown leaves should be removed, as this indicates poor plant health, and may affect the quality of the plant's flowers.
Propagation of Alchemilla commutata Rothm. forma robusta Rothm.
Alchemilla commutata Rothm. forma robusta Rothm., also known as robust lady's mantle, can be propagated by three methods: division, seed, and stem cuttings.
Division
The most common propagation method for robust lady's mantle is division. The ideal time to divide the plant is in spring or early autumn. To divide the plant, dig it up and gently separate the clumps into smaller sections. Each section should have a healthy root system and a few shoots. Replant the sections in well-draining soil at the same depth as it was before.
Seed
Propagation by seed is also possible, but it requires more time and effort. Collect the seeds in autumn when the seed heads turn brown and dry. Sow the seeds in pots or trays filled with moist seed compost. Cover the container with a plastic cover or clear plastic bag to create a humid environment. Place it in a warm and bright location but avoid direct sunlight. Remove the plastic covering when the seeds begin to germinate. Once the seedlings are big enough to handle, transplant them into small pots until they have grown enough to be moved to their permanent location in the garden.
Stem cuttings
Robust lady's mantle can also be propagated by stem cuttings. Take 2-3 inch long cuttings from the new-growth shoots in early summer. Remove the leaves from the bottom half of the cutting and dip the cut end in rooting hormone powder. Plant the cutting in a pot filled with moist soilless compost or sand. Cover it with a plastic bag to create a humid environment and place it in a warm, bright location but avoid direct sunlight. Once the cutting has rooted, transplant it to its permanent location in the garden.
Disease and Pest Management for Alchemilla commutata Rothm. forma robusta Rothm.
While Alchemilla commutata Rothm. forma robusta Rothm. is a hardy plant that generally requires minimal care, there are several pests and diseases that may affect it. The following are some of the most common problems and suggestions for managing them.
Pests
Aphids: Aphids can infest Alchemilla commutata and cause stunted growth and yellowing of leaves. These tiny sap-sucking insects are often found on the undersides of leaves or at the tips of new shoots. To control aphids, you can use insecticidal soap, neem oil, or a strong jet of water from a hose to knock them off the plant.
Slugs and Snails: Slugs and snails can feed on the leaves and stems of Alchemilla commutata. They leave behind slime trails and often hide in dark, moist places during the day. To control slugs and snails, you can set up beer traps, copper barriers, or use commercial slug and snail bait.
Diseases
Powdery Mildew: Powdery mildew is a fungal disease that can affect the leaves of Alchemilla commutata, causing a white powdery coating and leaves that may yellow or wither. To manage powdery mildew, keep the area around Alchemilla commutata free of debris and provide good air circulation. You can also use a fungicide to treat the plant.
Leaf Spots: Leaf spots are caused by various fungi and bacteria and can cause circular or irregular blemishes on the leaves of Alchemilla commutata. To manage leaf spots, remove any infected leaves and keep the area around the plant free of debris. You can also use a fungicide to treat the plant.
By monitoring your Alchemilla commutata regularly and implementing a pest and disease management plan when necessary, you can help keep your plant healthy and thriving.
