One of the most beautiful trees belonging to the robinia genus is the acacia. However, the flowers can be more than just white. Depending on the type and variety of the plant, acacia flowers are red and lilac.
- Robinia pseudoacacia: description
- The main varieties and types of robinia
- How to grow robinia false acacia
- Features of robinia care
Robinia pseudoacacia: description
Robinia pseudoacacia is a beautiful decorative tree. During the flowering period, fragrant white flowers appear on it. Acacia can reach a height of 25 meters. The barrel is 1 meter thick. The crown of the tree is openwork and spreading. On the trunk of the acacia, the bark is thick with longitudinal cracks. The leaves of the decorative tree are arranged alternately and consist of ovoid leaves. They are green with a slight silvery shade, in length they can reach up to 25 cm. The flowers are small, fragrant, usually white, collected in large inflorescences. Robinia pseudoacacia blooms in May-June. The nectar in the flower is released in large quantities over several days. Therefore, we can talk about the high honey productivity of acacia.
In the fall, acacia fruits begin to ripen - flat beans. In winter, when there is no foliage on the tree, thorns can be found on the shoots. A young plant is quite sensitive to low temperatures. Frost resistance increases with age. Robinia has a branched root system. The roots of acacia contain tubers that contain bacteria. Thus, the soil is enriched with nitrogen. Acacia is successfully used in the food industry, medicine, perfumery.
The main varieties and types of robinia
There are about 20 types of robinia. The most common are the following:
Robinia pseudoacacia. Deciduous tree with various decorative forms. There is a pyramidal or umbellate crown, the leaf shape is univalent or dissected. Flowers can be white or pink. Robinia New Mexico. The tree is no more than 12 meters high. The leaves of this species of robinia are large, about 20 cm in length.
The flowers are pinkish, odorless. The robinia is sticky. The tree has a rounded crown and can grow up to 11 meters in height. There are sticky hairs on the petioles of leaves, shoots and inflorescences, hence the name - sticky. On the shoots, thorns are absent or not visible at all. The flowers of the sticky robinia are pink with a purple tint, odorless. Robinia is bristly haired. Low shrub about 3 meters high. The entire shrub is covered with reddish bristles. Robinia's flowers are pink. Flowering begins in mid-June to late September.
How to grow robinia false acacia
Robinia is mainly propagated by suckers or seeds. Seed harvesting should be done in early November. They should be stored in the refrigerator.Before planting, the seed is processed: dipped in boiling water, and then in cold water. After carrying out this procedure, the seeds should be sown immediately. You can use boxes for this. Seeds should be planted in mid-April or May. Pre-add compost, ash and nitrogen fertilizers to the soil.
For the seedlings to grow well, the temperature must be high. If the spring is cold, then it is recommended to plant in a greenhouse. Propagation by root suckers is easier than by seed. To do this, a young plant is dug out with a rhizome and transplanted to a permanent place. Seedlings take root well and grow in full sun. The soil mixture should consist of turf, peat and sand in a ratio of 3: 2: 2.
The most effective way is propagation by cuttings. In the spring, when the weather is warm, take cuttings from several lateral roots of a healthy adult plant.
The length of the cutting should be at least 20 cm and the diameter should be about 5 mm. Next, plant in a prepared nutrient substrate. The root cut should be treated with crushed charcoal. Remember to keep the cut on the surface of the soil. In warm and humid weather, the emergence of shoots can be observed after several weeks. All robinia species should be planted in spring. If planted in the fall, the roots of the plant can rot from cold or too wet soil.
Features of white acacia care
After planting, young seedlings require special care. They need to be watered and fed regularly, and weeds must be removed. After planting, in order for the plant to take root well, it should be watered abundantly. Pseudoacacia is unpretentious in care, it grows quite quickly on any soil. Around the plant, the soil must be mulched. For this, you can use peat, sawdust or small pebbles.
Roots can die from stagnant water, so this should be avoided. It is better to use organic fertilizers in the form of manure or bird droppings, which are diluted with water. In summer, it is recommended to feed robinia shrubs during and after flowering. If necessary, prune old shoots. Do not plant fruit plants near acacia - apples, pears. Since acacia has a highly developed root system, it will overwhelm other trees. Decorative robinia false acacia, when properly grown and cared for, will decorate a summer cottage or a country house and will delight with their beautiful flowering and fragrant aroma.
Robinia fake acacia on video: