When does Yingshanhong, a plant of the rhododendron family, be fertilized? What kind of fertilizer should I apply? How to transplant?

Yingshanhong, also known as rhododendron and pomegranate, is an evergreen or ordinary green shrub. Because of the bright red Corolla, it is a famous flower plant with high ornamental value and is cultivated in parks all over the world. So, when does Yingshanhong, a rhododendron plant, usually apply fertilizer? What kind of fertilizer should I apply? How to transplant?

When does Yingshanhong, a plant of the rhododendron family, be fertilized? What kind of fertilizer should I apply?

In the late winter and early spring every year, it is best to apply some organic fertilizer to the rhododendron garden as base fertilizer. After the rhododendron blossoms from April to May, because the plant consumes a lot of nutrients during the flowering period, the new shoots grow with the germination of leaf buds, which can be fertilized every 15 days or so. After the ambush, most of the shoots have stopped growing, at this time is the high temperature season, the physiological activity is weakened, can no longer topdressing. After autumn, the climate is getting cooler, and there is continuous autumn rain, temperature and humidity is suitable for cuckoo growth, at this time can do the last fertilizer, generally not suitable for fertilization after winter.

Rational fertilization is the key to raising rhododendron well. In spring and autumn, thin cake fertilizer liquid water is applied every 10 days, which can be fermented by retting rice water, pericarp, vegetable leaves and so on. In autumn, you can also add some phosphorus and potassium fertilizer, which can be made from fish, chicken viscera and meat washing water, rice washing water and some peel retting. In addition to the above-mentioned home-made fertilizers, you can also buy some household fertilizers for combined use, but be sure to apply "thin" fertilizers. Apply dry fertilizer (a small amount) once before winter, and do not apply basin bottom fertilizer when changing pots. In addition, no matter when watering or fertilizing, tap water should not be used directly, but should be acidified (adding ferrous sulfate or vinegar) and used again when the pH value is about 6.

Second, how to transplant Yingshanhong?

Yingshanhong is usually excavated and transplanted in late autumn and early winter or early spring. General production Yingshanhong bonsai, can choose to grow for many years, the root is strange and quaint, suitable for the production of bonsai basic conditions of Yingshanhong old pile. You can dig and transplant in late autumn, early winter or early spring, and bring as much lodging soil as possible when transplanting. According to the modeling needs of Yingshanhong bonsai, its branches and roots should be pruned properly, the branches and roots that affect the modeling should be cut off, more lateral whisker roots should be left, and the root-stem ratio should be balanced. It is best to plant it in the loose sandy acid loam with good drainage and carry on the billet raising stage for 1-3 years. During this period, plastic film can be used for heat preservation and moisturizing in winter: shade and sun protection should be carried out in summer, and water is often sprayed to the tree trunk leaves and around to increase plant and air humidity and keep the soil moist. But the soil must not be too wet or stagnant water, to avoid soil water rotten roots, to ensure plant survival.

In the billet raising stage, Yingshanhong bonsai should depend on its growth. in addition to strengthening the management of fertilizer and water, weak trees should also make them grow laissez-faire as far as possible, strengthen the tree potential, remove flower buds as early as possible, prevent flowering, reduce nutrient consumption, promote vegetative growth, make its growth exuberant, restore the tree potential as soon as possible, and speed up its formation. For Yingshanhong with strong growth potential, according to the actual needs of Yingshanhong bonsai, heart picking, pruning, flat binding, shaping, potting and other work can be carried out in time, which can shorten the time of billet cultivation and promote its early formation.

Like other bonsai plants, Yingshanhong bonsai can be made into many forms of bonsai, such as multi-dry type, jungle type, oblique dry type, cliff type and so on. The branches of Yingshanhong are relatively hard and brittle, especially in the dormant period, which is easy to break, which is not conducive to adjusting the angle of the branches and taking the shape of the branches, let alone twisting the shape at will like other miscellaneous trees. The modeling time is mostly chosen in the spring, summer and autumn growing season, when the branches are soft due to the flow of sap, which is not so easy to break. The modeling method is mainly pruning and heart-picking, supplemented by flat binding, so as to cut, pick and tie at the same time.