What are the propagation methods for Sargent viburnum?
Sargent viburnum (Viburnum sargentii var. calvescens) is a deciduous shrub in the Caprifoliaceae family, genus Viburnum. Because of its elegant flower shape and white flowers with red berries, it has very high ornamental value and is an excellent material for landscaping. Sargent viburnum is very tolerant of shade, so cultivation is not difficult. Here, we introduce the propagation methods for Sargent viburnum.
Sargent viburnum
Sargent viburnum is a plant with double dormancy of both the hypocotyl and the embryo, and its seeds require sand stratification treatment lasting two winters and one summer before they can be sown. This is not only time-consuming but also troublesome to carry out, so propagation generally uses the cutting method. Cutting propagation includes softwood cuttings and hardwood cuttings; the survival rate of softwood cuttings is not as high as that of hardwood cuttings, so one-year-old hardwood branches are commonly used for cuttings.
The cutting medium uses plain river sand or plain sandy soil, sterilized with chlorothalonil and thiophanate-methyl before cutting. After temperatures rise in late March, select robust branches from the previous year as cuttings. Cuttings are generally 10 cm to 12 cm long, each with 3 to 4 nodes, with a smooth upper cut and a horseshoe-shaped lower cut. Before cutting, dip quickly in ABT rooting hormone. After cutting, set up an arched shelter with plastic film. After cutting, mist the cuttings 3 times a day, and humidity can be maintained at 75% to 85%. When light is strong, set up a shade net, providing shade from 9 a.m. to 5 p.m. to protect from sun and reduce temperature; roots can form in about 35 days. After that, strengthen water and fertilizer management, pay attention to pest and disease control, and remove weeds promptly. Apply urea once each in mid-to-late May and early July, apply a phosphorus-potassium fertilizer once in early August, and at the end of autumn, in conjunction with watering for winter protection, apply once with decomposed and fermented cow and horse manure. Transplanting can be carried out in the spring of the following year.
How to grow Sargent viburnum and the flower meaning of Sargent viburnum
Besides being used as a landscaping plant and an ornamental plant, Sargent viburnum can also be used as a Chinese herbal medicine. Below we will share with you how to grow Sargent viburnum and the flower meaning of Sargent viburnum.
How to grow Sargent viburnum:
Sargent viburnum blooms from May to June. It is a plant that relatively prefers shade and tolerates shade, and it also has strong cold tolerance. If it encounters high temperatures and muggy heat in summer, getting through the summer becomes especially difficult, so the most important thing in the cultivation and management of Sargent viburnum is to pay attention to these aspects. The suitable growing temperature for Sargent viburnum is between 15 and 30°C. When planting, it can be kept indoors for a period (about two months), then moved outdoors to a shaded place for a period (about one month); alternating in this way allows it to grow and develop well.
Sargent viburnum is not demanding about soil and can grow in both slightly acidic and neutral soil. Its root system is well developed, and it is easy to transplant and establish. When planting, apply 2 to 3 shovelfuls of decomposed compost into the hole, and water thoroughly after planting. Thereafter, every year after leaf fall in autumn, dig a trench around the roots and apply 2 shovelfuls of compost, then cover with soil and water; it will bloom more the following year. Carry out 1 appropriate thinning pruning each autumn, removing excessive water sprouts and weak branches, and cutting back long branches; in early spring, remove remaining fruit clusters and dead branches.
It can be propagated by sowing, division and cuttings. Because its seeds and radicles both have a dormant habit, the seeds must be given variable-temperature treatment before sowing. First soak clean seeds with the fruit pulp removed in 45°C warm water for 24 hours, then mix with 3 times their volume of moist sand and place in a sealed plastic bag, keep at 25°C for 30 days, then transfer to a low temperature of 0°C to 5°C for 60 days; sow indoors in pots in late March of the following spring, and seedlings will emerge smoothly. Division can be carried out in spring; if the separated clumps are first cultivated in a nursery for two years before planting out, the survival rate is higher. Cuttings are mostly taken from late May to early June using hardwood cuttings, with a rooting rate of 70% to 80%.
The flower meaning of Sargent viburnum:
The flower meaning of Sargent viburnum: pure white and brilliant red
Sargent viburnum is a plant commonly used for greening and planting. Sargent viburnum is widely distributed in our country, and together with today's relatively systematic and scientific cultivation and propagation methods, Sargent viburnum has already been widely used in our landscaping, lawn planting, roadside planting and so on. The tree form of Sargent viburnum is relatively elegant and graceful, so it looks quite pleasing, and when Sargent viburnum blooms it has a uniquely charming appeal, so it is very much noticed and loved by people.
How to grow Sargent viburnum
Sargent viburnum, scientific name Viburnum sargentii var. calvescens, family Caprifoliaceae, genus Viburnum, alias Buddha-head flower, spring flower seed, Guelder-rose viburnum. Place of origin: native to our country, first discovered in the Tianmu Mountain area of Zhejiang, and widely distributed, having been found in both the Northeast and the Northwest.
Morphological characteristics: deciduous shrub, up to 3 m tall. Old branches and stems dark gray, with shallow fissures; branchlets have obvious lenticels. Leaves dark green, opposite; leaf texture thick, broadly ovate to ovate, 6 to 20 cm long, usually 3-lobed and with palmate 3-veined venation, lobe margins with irregular serrations; leaves at the branch tips elliptical to lanceolate, not lobed, petiole base with two stipules. Cyme compound umbel-like, terminal, 8 to 12 cm in diameter, white, with large sterile marginal flowers and fertile flowers in the center; corolla milky white, radially 5-lobed. Berry-like drupe nearly spherical, 8 mm in diameter, bright red and glossy, long-lasting and not falling.
It likes light but also tolerates shade, tolerates cold, tolerates drought, and is not demanding about soil; it can grow in both slightly acidic and neutral soil. Its root system is well developed, and it is easy to transplant and establish. When planting, apply 2 to 3 shovelfuls of decomposed compost into the hole, and water thoroughly after planting. Thereafter, every year after leaf fall in autumn, dig a trench around the roots and apply 2 shovelfuls of compost, then cover with soil and water; it will bloom more the following year. Carry out 1 appropriate thinning pruning each autumn, removing excessive water sprouts and weak branches, and cutting back long branches; in early spring, remove remaining fruit clusters and dead branches.
How to grow: it can be propagated by sowing, division and cuttings. Collect seeds in August-September; first pile the fruits up, and after they soften, rub and wash them with water to remove impurities and obtain clean seeds. Because its seeds and radicles both have a dormant habit, the seeds must be given variable-temperature treatment before sowing. First soak clean seeds with the fruit pulp removed in 45°C warm water for 24 hours, then mix with 3 times their volume of moist sand and place in a sealed plastic bag, keep at 25°C for 30 days, then transfer to a low temperature of 0°C to 5°C for 60 days; sow indoors in pots in late March of the following spring, and seedlings will emerge smoothly. Division can be carried out in spring; if the separated clumps are first cultivated in a nursery for two years before planting out, the survival rate is higher. Cuttings are mostly taken from late May to early June using hardwood cuttings, with a rooting rate of 70% to 80%.
Landscape use: a shade-tolerant tree species suitable for planting under forest. With green leaves, white flowers and bright red fruit when ripe, it is an ornamental tree that can be enjoyed both for its flowers and its fruit. In autumn, the red leaves can also be enjoyed. It can be used in scenic forests, parks, courtyards, roadsides, on lawns, by water and on the north side of buildings. It can be planted as a specimen, in clumps, or in groups.