Buxus macrophylla, Buxus macrophylla in Phnom Penh, Buxus macrophylla, etc. , is a common cultivated tree in gardens, courtyards, parks, streets and community flower beds. , often planted in semi-cloudy and semi-sunny places; Euonymus microphylla, such as Euonymus japonicus, Euonymus japonicus, Euonymus japonicus, etc. They are all excellent and precious bonsai materials for foliage and miscellaneous stumps, which are mostly used for processing and making bonsai cultivation. From semi-cloudy and semi-sunny to no strong direct sunlight, there is enough scattered light, and they are often maintained and managed in well-ventilated places.
Boxwood is moist, slightly resistant to drought, light and shade. Buxus microphylla can be kept in the open air without direct sunlight, with sufficient scattered light, good ventilation and humidity, and can grow well in patios and behind houses without direct sunlight. It is best to maintain it in a well-ventilated place with half sun and half shade, such as a balcony or windowsill facing east and south, or a shady shed or forest in half sun.
Buxus buxus, a sandy soil with loose and fertile soil, rich humus and good drainage and air permeability, should be made of loose and fertile mountain forest topsoil, pastoral soil, pond mud, humus soil and peat soil mixed with 30% river sand, cinder, decomposed sawdust, edible fungus leftovers, chaff ash, chaff charcoal and peanut shell charcoal, and 20% decomposed.
Boxwood should be planted when the seeds are mature; Or cut off annual branches before germination in spring, or cut off semi-lignified branches to new lignified branches in summer and autumn for cutting propagation, or carry out layering propagation in the growing season. 5 parts of loose red and yellow mud, pastoral soil and pond mud, 3 parts of river sand or cinder, 2 parts of burnt fertile soil, chaff ash and chaff charcoal, and 10% calcium superphosphate are mixed for use. Pay attention to the thermal insulation of arch membrane in winter and spring, pay attention to the arch shed in summer and autumn, cover the grass curtain, bamboo curtain, reed curtain and sunshade net for shading, pay attention to frequent watering and moisturizing, weed in time, loosen the soil, topdressing, climb and trim the shape in time, and transplant flowerpots in time.
Boxwood should be transplanted into pots before September in autumn or early June in 10, or before germination and early germination in spring. Choose shallow or medium-deep teapot or glazed pottery pot, pottery pot, clay pot, vegetarian pot and plastic pot for planting. Apply some soaked animal bones, hoof horns and cooked lobster sauce to the bottom of the basin as base fertilizer.
Boxwood potted plants should be watered frequently during the growing season to keep the soil moist and sprayed with foliar water frequently. Combined with watering, dilute and decomposed agricultural liquid fertilizer water or cake fertilizer water is watered 2-4 times a month, and 5%- 10% urea aqueous solution 1 time in the initial stage; Combined with surface spraying, the leaves were sprayed with 0. 1 ~ 2 weeks with 0. 1% urea solution and 0.2% potassium dihydrogen phosphate solution.
Boxwood bonsai should be kept in a sunny and well-ventilated place during the growing season, and it is best to cover about 80% ~ 90% sunshine in summer and autumn. Shade from 9: 00 am to 6: 00 pm on sunny days, and do not shade the rest of the time. In winter in the south, you can spend the winter outdoors in the leeward and sunny places, while in the north, you should move indoors or in a greenhouse. (Some pictures are from online friends)
Boxwood bonsai should be relaxed once a month, and the loose depth is about 1 ~ 5cm. Every year in late spring, early summer, early autumn, late autumn, early winter or early spring, plastic trimming is done once each. Every 2-3 years, before spring germination, turn over the pot and replace it, replace about three-quarters of the old soil, cut off dead roots, rotten roots and roots of diseases and pests, cut short excessively long roots, apply base fertilizer, replace it with new culture soil and replant it in the pot. Pay attention to the prevention and control of leaf spot, sooty blotch, tip blight, aphids, scale insects, leaf roller moths and other pests.