Jasminum nudiflorum is a species of jasmine native to northern China. The plant is an evergreen climbing shrub with yellow flowers. It is grown as an ornamental plant in gardens and parks. The plant is also used in traditional Chinese medicine.
About soil condition, Jasminum nudiflorum prefers well-drained soils with a high organic matter content. They are also tolerant of light to moderate frost and can handle extended dry periods once established.
So, like the other jasmine species, Jasminum nudiflorum requires full sun to partial shade exposure to produce the best flowers. If you live in an area with hot summers, then its best to grow this plant in a spot that receives some afternoon shade.
The temperature condition that is ideal for Jasminum nudiflorum is warm and humid. This plant does not tolerate cold temperatures well and will often die if exposed to frost. Jasminum nudiflorum requires a minimum temperature of 10 degrees Celsius to survive.
Ideal humidity condition for this plant is 50% and above. If the level of humidity drops below this, the leaves will start to droop and the plant will become stressed. Misting the leaves on a regular basis will help to increase the level of humidity and prevent the plant from becoming too dry.
About fertilizer, usually the plant doesn't need a lot. You can use organic or inorganic fertilizer, depending on your preference. It's good to add some compost to the soil to help with drainage and keep the roots healthy. For inorganic fertilizer, you can use something like Miracle-Gro or Peters. Just follow the package directions.
Pruning is an important aspect of caring for a jasmine nudiflorum plant. This plant blooms on new growth, so pruning is necessary to encourage more blooms. Pruning also helps to keep the plant healthy and controlled. To prune, cut back any dead or diseased branches and trim back any branches that are growing out of control.
Propagation is by seed in spring or by softwood cuttings in summer. Sow seed on the surface of a free-draining, sandy seed compost in a propagator or warm place. Keep the compost moist but not wet. When seedlings are large enough to handle, transplant them into 7.5cm (3in) pots. Take cuttings from new growth in summer and pot up in the same way.
Usually, the plant growth rate during the spring and summer months, when the plant has access to more sunlight and warmth. However, the plant can continue to grow and bloom throughout the year, albeit at a slower rate, if given the proper care. Jasminum nudiflorum generally grows best in full sun, although it can tolerate partial sun. The plant prefers well-drained soil and should be watered regularly to keep the soil moist but not soggy. Fertilizer can be applied monthly during the growing season to promote healthy growth.
Common problems for this kind of plant , or winter jasmine, are stem and root rots, powdery mildew, and aphids. These problems are often caused by overwatering or excessive humidity. To prevent stem and root rot, make sure the plant has well-drained soil and does not sit in water. Powdery mildew can be controlled with a fungicide. Aphids can be controlled with pesticides or by blasting them off with a hose.
Source:
A Dandy for Winter: Jasminum nudiflorum - Harvard University
Winter Jasmine (Jasminum nudiflorum) - uaex.uada.edu
Bug Squad - Agriculture and Natural Resources Blogs