Draba norvegica Gunn. - A Description
Draba norvegica Gunn. is a member of the Brassicaceae family, also known as the mustard or cabbage family. This plant species is commonly known as the Norwegian draba or the tundra draba. It is native to Norway, where it can be found at high elevations in the Arctic and sub-Arctic regions.
The Norwegian draba serves as an important food source for reindeer and other wildlife in the region.
The plant typically grows to be around 3-6 cm in height. It has small, narrow, and linear leaves that grow in a basal rosette. The leaves are covered with small, whitish or yellowish hairs. The flowers are small and white, and they bloom in early summer. The plant forms a small, compact cushion as it grows and can tolerate harsh environmental conditions found in the Arctic tundra.
Draba norvegica Gunn. is known for its medicinal properties and is used to treat various ailments. The plant has anti-inflammatory properties that help reduce swelling and inflammation in the body. It is also used to treat gastrointestinal problems like stomach cramps and diarrhea.
In addition to its medicinal uses, the Norwegian draba is an interesting and unique plant known for its ability to thrive in extreme environments. Its striking appearance and resilience make it an important plant species in alpine and Arctic ecosystems.
Light Requirements
Draba norvegica Gunn. thrives in full sun to partial shade. It requires about six hours of direct sunlight daily to grow healthy.
Temperature Requirements
This plant species is well-suited to grow in areas with a cold climate. It thrives in cold temperatures ranging between 25 °F to 68 °F (-4°C to 20°C). Draba norvegica Gunn. can tolerate extreme temperatures during the winter and summer seasons.
Soil Requirements
The plant species can grow in soils that are well-draining, moist, and rich in humus. It can grow in sandy, loamy, or clay soils with a pH level that ranges from slightly acidic to slightly alkaline. The pH level should be between 5.5 to 7.5 for optimum growth. It can also grow in soils with low fertility and high elevation.
Draba norvegica Gunn. requires proper aeration for the development of its delicate root system. It cannot grow well in waterlogged soils. The planting site should be free from debris, stones, and other materials that can impede its growth.
Cultivation Methods for Draba norvegica Gunn.
Draba norvegica Gunn. is a hardy plant species that can be cultivated both indoors and outdoors. The plant can be propagated by sowing seeds or through vegetative means such as cuttings.
Indoor cultivation requires well-draining soil, preferably a mixture of peat moss and coarse sand. The plant can be placed in a pot with a drainage hole at the bottom to prevent waterlogging. Outdoor cultivation requires similar soil requirements with a pH range of 5.5 to 7.5.
The plant thrives in full sunlight or partial shade, but it is essential to protect the plant from excessive heat or cold during extreme temperatures.
Watering Needs for Draba norvegica Gunn.
Draba norvegica Gunn. prefers a moist but well-drained soil. The plant should be watered regularly, especially during the growing season. Overwatering should be avoided as it can lead to root rot and other diseases.
It is essential to allow the soil to dry slightly before watering to prevent waterlogging. Outdoor plants may require less frequent watering than indoor plants, especially when the weather is humid or rainy.
Fertilization for Draba norvegica Gunn.
Draba norvegica Gunn. does not require heavy fertilization as it is a low maintenance plant. However, it can benefit from occasional feeding during the growing season. A balanced fertilizer with equal parts of nitrogen, phosphorus, and potassium can be used.
Fertilizers should be applied at half strength to avoid burning the plant roots. It is recommended to fertilize the plant once every four to six weeks during the growing season.
Pruning for Draba norvegica Gunn.
Draba norvegica Gunn. does not require pruning as it has a compact growth habit. However, occasional pruning can be done to promote a more bushy growth and to remove wilted or dead leaves and stems.
Pruning should be done in early spring before the growing season, or after the plant has finished flowering. It is essential to use clean and sharp pruning shears to prevent damaging the plant.
Propagation of Draba norvegica Gunn.
Draba norvegica Gunn. or Norwegian Whitlowgrass is a hardy alpine plant that grows in rocky and mountainous regions in North America, Europe, and Asia. The plant produces beautiful white and yellow flowers in the spring and summer. If you want to propagate the plant, there are three methods you can use.
Seed Propagation
Seed propagation is the most common method used to propagate Draba norvegica. You can collect seeds from the plant in the late summer when the seed pods have dried up. You can also purchase seeds from a reputable supplier. Once you have the seeds, sow them in a seed tray filled with a sandy substrate mix. Keep the tray moist and place it in a cool place with a temperature of around 10°C. The seeds will germinate in 2-3 weeks. Once they have grown to the right size, you can transplant them to individual pots.
Division
Division is another method that you can use to propagate Draba norvegica. You should consider dividing the plant in early spring or late summer. Carefully dig up the plant, making sure you do not damage the roots. Divide the plant into several sections, each with enough roots and shoots. Plant each section in a pot filled with potting soil. Keep the pots moist and in a cool place until the plants have grown big enough to transplant into the garden.
Stem Cuttings
Stem cuttings are another method that you can use to propagate Draba norvegica. Choose healthy stems from the parent plant, making sure each cutting has at least two nodes. Cut the stem cleanly using a sharp knife or scissors. Dip the cut end of the stem in rooting hormone and plant it in a pot filled with a sandy substrate mix. Keep the pot moist and in a cool place. Once the cutting has developed roots, transplant it to a larger pot or directly to the garden.
Disease and Pest Management of Draba norvegica Gunn.
Draba norvegica Gunn. is a hardy plant that is resistant to many pests and diseases. However, it may be susceptible to some common issues, which can be managed effectively using integrated pest management (IPM) strategies. Here are some common diseases and pests that might affect the plant:
Common Diseases
1. Root Rot: Root rot is a fungal disease that affects the roots of the plant, causing them to rot and decay. It is usually caused by overwatering, poor soil drainage or soil-borne pathogenic fungi. To manage this, ensure that the plant is grown in well-drained soil and avoid overwatering. In severe cases, use fungicides to control the disease.
2. Powdery Mildew: Powdery mildew is a fungal disease that affects the leaves of the plant, causing them to develop a white, powdery coating. This disease is usually caused by humid conditions, poor air circulation or over-fertilization. To manage this, prune infected leaves and ensure that the plant is grown in a well-ventilated area. Fungicides may also be used to control the disease.
Common Pests
1. Aphids: Aphids are small, sap-sucking insects that are common on many plants, including Draba norvegica Gunn. They can cause stunted growth and curling of the leaves. To manage this, use insecticidal soaps or neem oil to control these pests. You can also introduce natural predators like ladybugs and lacewings to control them.
2. Spider Mites: Spider mites are tiny pests that feed on the sap of plants. They cause yellowing and shriveling of leaves. To manage this, keep the plant well-hydrated and introduce natural predators like predatory mites to control them. In severe cases, use miticides to control the infestation.
By using proper IPM strategies, you can effectively manage diseases and pests that affect Draba norvegica Gunn. and ensure a healthy plant. Regular monitoring of the plant and prompt action is key to managing these issues effectively.
