Ogon spirea is a popular ornamental plant that is commonly used in landscaping. It is a deciduous shrub that is native to Japan. The ogon spirea has small, yellow flowers that bloom in the summer. The leaves of the ogon spirea are ovate and have a toothed margin. The ogon spirea is a hardy plant that is relatively easy to care for.
About soil condition, ogon spirea prefers well-drained soils, and can tolerate a wide range of pH levels. It is not particular about soil type, as long as the soil is not waterlogged. This shrub can also thrive in full sun or partial shade.
Not too different with other Spirea shrubs, the Ogon Spirea craves for full sun to partial shade. It grows well in a wide range of soils, as long as the ground isn't waterlogged. It's a good choice for a low-maintenance shrub border.
The temperature conditions of the ogon spirea are pretty simple to maintain. They can tolerate a wide range of temperatures, as long as they are not exposed to extreme conditions. They can handle both cold and hot weather, as long as they have some protection from the elements. If you live in an area with a lot of extreme weather, you may want to consider growing them in containers so you can move them indoors when the weather gets too extreme.
Ideal humidity condition for this plant is 50%. If the relative humidity drops below 30%, the flowers will fall off the plant. If the relative humidity is too high, the leaves will develop fungal diseases.
For the fertilizer, this kind of plant needs a mix that has a higher ratio of phosphorus. This will encourage blooming. For the roots, they should be kept moist but not soggy. If the roots are too dry, the plant will become stressed and won't bloom as well.
Pruning is an important part of keeping your ogon spirea healthy and vigorous. The best time to prune is in early spring, before new growth begins. You can also prune in late fall, after the plant has gone dormant. pruning will encourage new growth, and help to keep the plant from becoming overgrown.
Propagation of ogon spirea is typically done through seed, although this plant can also be propagated by softwood cuttings taken in late spring or early summer. Cuttings should be taken from new growth and should be 4-6 inches long. Cuttings can be rooted in moist sand or peat moss and should be kept at a temperature of 65-70 degrees Fahrenheit.
Usually, the plant growth rate is about 1 to 2 feet per year. Some species can grow up to 3 feet per year. The ogon spirea is a deciduous shrub that has a moderate growth rate. It can grow in full sun to partial shade. The ogon spirea prefers well-drained soil.
Common problems for this kind of plant are powdery mildew, Japanese beetle, Verticillium wilt, and crown rot. Powdery mildew is a white powdery fungus that appears on the leaves and stems of the plant. Japanese beetle are small brown beetles that feed on the leaves of the plant. Verticillium wilt is a fungus that attacks the plant's vascular system, causing the plant to wilt and die. Crown rot is a disease that affects the roots of the plant, causing the plant to die.
Source:
June 2013 Plant of the Month: Ogon spirea | UT Gardens - The
Ogon spirea | UT Gardens - The State Botanical Garden of
JC Raulston Arboretum - Our Plants - Spiraea thunbergii 'Ogon'
