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Summer Calycanthus Planting Methods and Key Technical Points

Growing Techniques By Emily Carter 0 views
Flowering Plants

Summer Calycanthus (scientific name: Sinocalycanthus chinensis), also known as Peony Wood, Yellow Loquat, and other names, belongs to the "true" Calycanthaceae family. Summer Calycanthus mostly grows on mountain slopes or in stream valleys at an altitude of 600-1100 m. Its flowers are large and beautiful, with considerable ornamental value. It generally blooms in early summer. It is a rare wild flower endemic to China, listed as a national second-class protected plant, and is a Tertiary relict species.


I. Propagation Methods

There are not many propagation methods for Summer Calycanthus; let us talk about the sowing method. The seeds of Summer Calycanthus mature in late October, and they can be harvested when the outer surface of the fruit turns from green to brown. First collect the seeds and set them aside for later use; the storage environment for the seeds must not be too dry. In early spring they can be taken out for sowing. First soak the seeds in clean water for about one day and one night; during soaking they will absorb water and swell, and may even germinate early. After sowing into the soil, keep the soil moist, and they will germinate after two weeks. By sixty days all the seeds can germinate, then provide them with a leisure shed for shade to prevent the sunlight from being too strong. After the seedlings grow in the seedbed for one year, they can be transplanted and planted out, but it will take four to five years before they bloom.

II. Transplanting Methods

Transplanting is suitable for planting in courtyards. When transplanting in the open air, choose an environment that is moist and not exposed to strong sunlight. When transplanting, move the soil around the roots together with the plant; do not damage the roots, and do not remove the soil from the roots. First pour decomposed organic fertilizer into the planting hole, then cover it with fine soil. The planting depth should be basically consistent with the temperature at which the roots of the seedling were located before transplanting. If planting in soil at a lower elevation, pile the soil around the roots higher to prevent water from collecting. When the soil is too acidic or too alkaline, use other soil to neutralize it and improve the soil to neutral. Water promptly after planting.

III. Timing of Topdressing

Summer Calycanthus likes fertile soil; sufficient nutrients can promote flower bud differentiation, and then there will be more flowers. Summer Calycanthus planted in the ground can be given a thin fertilizer once a month, but it should be applied in furrows. Usually do not apply concentrated fertilizer, as this will cause excessive growth of branches in autumn and affect flowering. If grown in a pot, use loose and soft potting soil. Apply fertilizer twice during spring to help the branches and leaves spread out. From late June to hot weather, apply a compound fertilizer once a week or once every two weeks; balanced nutrients can make it grow more flower buds. In hot weather the roots also develop, and phosphorus and potassium fertilizer can be applied once or twice, but it should be applied thinly, otherwise it may cause root burn. In autumn, a cake fertilizer can be added once, and before winter, adding diluted horse-hoof water once can provide nutrients for the opening of the flowers. Usually fertilization should focus mainly on phosphorus and potassium, with other nutrients in appropriate amounts.

IV. Water Supplementation

Summer Calycanthus fears waterlogging but is very cold-hardy. People often say that Summer Calycanthus cannot be killed by drought, but summer weather is hot, and water on the leaf surface is quickly evaporated by the sun, which may cause white spots. Therefore, in summer it still needs to be watered appropriately, keeping the soil moist at all times. If too much water is supplied, the plant cannot grow normally, affecting the growth of flower buds. When planting in the ground, choose a sunny and dry place, and drain promptly when it rains. During the flowering period, also control the amount of watering according to the situation; too much watering will cause flower buds to fall off, while too little watering will make the flowers open unevenly.


V. Cultivation Management

For open-field cultivation, choose a moist environment with not strong light. When transplanting, large seedlings should be moved with a soil ball, and the planting depth should be the same as the original location. When planting in low-lying land, add soil to raise the level to prevent water accumulation. When the soil alkalinity is too high, use foreign soil or improve it to neutral soil. Before planting, apply decomposed organic fertilizer as a base fertilizer, and after planting, water thoroughly. After flowering, apply topdressing; once a year is enough. In the rainy season, pay attention to timely drainage. In winter, the soil under the trees can be turned to improve the soil and benefit the plant's growth the following year. After flowering, if seeds are not to be kept, the spent flowers can be cut off promptly, and at the same time dead branches, weak branches, and overly dense branches can be thinned out. Potted plants can be potted before sprouting in spring, and the potting soil should be loose and fertile. After potting, water thoroughly, and after growth resumes, water appropriately, keeping the potting soil in a semi-moist state. Before flowering and during full bloom, watering must be moderate; too much water easily causes flowers and buds to fall, while too little water makes flowering uneven. In spring, apply leaf-unfolding fertilizer twice, and in May apply compound chemical fertilizer once or twice. Fertilization should focus mainly on phosphorus and potassium fertilizer, with an appropriate amount of nitrogen fertilizer. From after flowering to before leaf fall, apply topdressing two to three times as appropriate. After the flowers fade, prune mainly by thinning.



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