2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Robinia neo-mexicana (lat. Robinia neo-mexicana) - ornamental shrub; a representative of the genus Robinia of the legume family. In its natural environment, the species in question is found in North America. Typical habitats are lowlands.
Characteristics of culture
Robinia New Mexico is represented by shrubs not exceeding 200 cm in height and endowed with gray pubescent shoots with subulate spines. The foliage is complex, consists of elliptical or lanceolate-elliptical, pointed at the tips, fine-bristled leaves no more than 4 cm long.
The flowers, in turn, are white or light pink, collected in racemose inflorescences, equipped with bristly-glandular axes. The fruits are represented by reticulated beans, the surface of which is covered with short hairs. The beans do not exceed 8-10 cm in length.
Blooming of the New Mexican robin is observed during the summer, starting from the first or second decade of June and ending in the first or second decade of September. This aspect largely depends on the climatic conditions of the region and the quality of care.
It should be noted that the species in question is characterized by rapid growth and frost-resistant properties. In addition, it is unpretentious to growing conditions. Most often, the culture is used to decorate alleys and roadsides. Shrubs are planted in groups or singly.
Growing features
Despite the fact that the New Mexican robinia belongs to the category of unpretentious plants, some conditions still need to be observed. It is preferable to plant the crop in sunny areas or areas with diffused light. A thick shade has an extremely negative effect on the health of plants, they are stunted, almost do not bloom and are often affected by pests and diseases.
Soils for successful cultivation of the considered representative of the genus are desirable loose, light, nutritious, moderately moist. She does not tolerate community with saline, heavy and damp soils. Plants are bad for areas with a high groundwater table, as well as lowlands with stagnant cold air and melt (or rain) water.
New Mexican robinia is propagated either by seed or vegetatively. The second method involves the use of root suckers, which plants form in large numbers. The harvesting of seeds, in turn, is carried out in the fall, they are placed in paper bags and stored in the refrigerator. Sowing is carried out in seedling containers or in a heated greenhouse in spring.
In general, it is preferable to sow seeds immediately after harvesting, but, unfortunately, they cannot boast of frost-resistant properties and often die in cold ground even under a thick layer of shelter. You should not try to solve the problem by burying the seeds, most likely they will not sprout. Therefore, it is better to postpone sowing until spring.
To speed up the germination process, seeds should be subjected to scarification, a procedure that involves softening a dense shell. The seeds are pretreated with boiling water, and then with cold water, in which they are kept for 10-12 hours. The seeds do not need subsequent drying; they are immediately recommended to be embedded in a nutritious substrate.
It is important to remember that the seeds of Robinia New Mexico hatch at an air temperature of 20C. The grown crops are regularly watered, and when 1-2 leaves appear, thinning is carried out, leaving a distance of at least 25 cm between the plants. It is advisable to treat young plants with phytostimulants. The grown robinia are transplanted to a permanent place only the next year. By that time, they should have reached a height of 40-50 cm.
Culture care is not difficult at all. It is enough to regularly and moderately water the plants, carry out weeding, fertilizing and, finally, preventive pruning. To exclude frequent watering and the growth of weeds, you should mulch the soil near shrubs with pebbles or sawdust.
Top dressing is recommended monthly until the second decade of August. For these purposes, slurry, which is well diluted with water, will do. Starting from the second decade of August, feeding cannot be carried out, otherwise the shoots will continue to actively develop and, accordingly, will not have time to lignify by the cold.
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