Hydrangea serrata preziosa is a beautiful plant that is native to Japan. It has large, showy flowers that are pink or white in color. The flowers bloom in late summer or early fall. The plant prefers full sun to partial shade and moist, well-drained soils.
Alternative name
- Mountain hydrangea
- Saw-toothed hydrangea
- Dwarf hydrangea
- Japanese hydrangea
- White hydrangea
Things to Know
- Hydrangea serrata preziosa is a species of flowering plant in the family Hydrangeaceae.
- It is native to Japan, where it is known as ogi.
- It is a deciduous shrub growing to 13 m (3 ft 3 in9 ft 10 in) tall.
- The leaves are 510 cm (24 in) long and 35 cm (12 in) broad, with a serrated margin.
- The flowers are white, borne in clusters of 4-9 blooms.
- Flowering occurs in late spring to early summer.
- The fruit is a small, dry capsule containing numerous seeds.
- The plant is cultivated as an ornamental plant in gardens and parks.
- It is also used in Japanese flower arranging, known as ikebana.
- The specific epithet preziosa refers to the showy flowers.
Related plant:
Hydrangea Paniculata Diamant Rouge
Planting Process
- For hydrangea serrata preziosa, first step is to find a well-drained location.
- Prepare the location by tilling the soil and adding organic matter if needed.
- Hydrangea serrata preziosa can be planted in spring or fall.
- When planting, dig a hole that is twice the width of the root ball and of similar depth.
- Amend the soil with some compost or other organic matter.
- Place the plant in the hole and backfill with amended soil.
- Water the plant well.
- Apply a layer of mulch around the plant to help with moisture retention.
- Hydrangea serrata preziosa does not require much fertilizer. A slow-release fertilizer can be applied in spring.
- These plants bloom on old wood, so pruning is not necessary except to remove any dead or damaged branches.
Related plant:
Twist N Shout Hydrangea
The Soil
About soil condition, hydrangea serrata preziosa like well-drained soils, and prefer a soil pH of around 6.0. They will tolerate a range of soils including clay. However, if the soil is too rich in nutrients, the plant will produce an abundance of leaves at the expense of flowers.
Light condition
Similar to other hydrangeas, the Preziosa Hydrangea prefers full sun to partial shade. It will flower best in full sun, but some afternoon shade is appreciated in hot summer climates. It is a good idea to protect this plant from the hottest sun and wind in the afternoon.
Good Temperature
The temperature condition that is best for hydrangea serrata preziosa is cool to cold weather. This plant does not tolerate heat very well and may experience dieback in hot weather. It is best to plant this shrub in an area that receives some afternoon shade to protect it from the hot sun.
Ideal Humidity
Ideal humidity condition for this plant is around 40%. If the humidity is too low, the leaves will start to turn brown and crisp. If the humidity is too high, the leaves will start to yellow and drop off.
Fertilizing
For the fertilizer, this plant does best with a root and a half cup of 10-10-10 fertilizer for each plant. Apply the fertilizer around the base of the plant, taking care not to get any on the leaves. Fertilize in early spring and again in mid-summer.
About light
Pruning is an important part of caring for a hydrangea serrata preziosa plant. Pruning promotes new growth and helps to keep the plant healthy. When pruning, be sure to cut back any dead or damaged branches.
The Propagation
Propagation of Hydrangea serrata 'Preziosa' is best accomplished by softwood cuttings taken in late spring or early summer. Cuttings should be taken from new growth that is 6-8 inches long and includes a heel. Cuttings should be made just below a leaf node and should have 2-3 sets of leaves. Dip the cut end of the cutting into rooting hormone and plant in a well-drained propagation mix. Be sure to keep the mix moist but not wet and in a location that receives indirect light. It can take several weeks for roots to form. Once roots have developed, the young plant can be transplanted to a pot or into the garden.
Growth Rate
Usually, the plant growth rate between 2 to 3 feet per year, however, some plants have been known to grow up to 5 feet in a single year. The plant's growth is largely determined by the amount of sunlight it receives and the quality of the soil in which it is growing.
The Problems
Common problems for this kind of plant are:
1. The leaves turn brown and wilt.
2. The flowers turn brown and wilt.
3. The plant does not flower.
4. The plant produces few flowers.
5. The flowers are small.
Growing Tips
- Make sure to plant your hydrangea serrata preziosa in an area with full sun to partial shade.
- It is important to keep the soil moist but not soggy. Use a mulch to help retain moisture in the soil.
- Fertilize your plant regularly with a balanced fertilizer.
- Prune your plant as needed to shape and encourage new growth.
- Be sure to provide adequate drainage for your plant.
- Hydrangea serrata preziosa are generally pest and disease free. However, watch for aphids and spider mites.
- If you live in an area with cold winters, it is important to protect your plant with a layer of mulch.
- In the spring, you may see some dieback on your plant. This is normal and will not affect the overall health of the plant.
- When planting hydr
Substitution
- Hydrangea serrata, shrub of the genus Hydrangea also known as Hydrangea serata, Hydrangea serrata flower ambiguously called Serrated hydrangea.
- Hydrangea arborescens, shrub of the genus Hydrangea also known as Hydrangea paniculata and Hydrangea paniculata, Hydrangea arborescens flower ambiguously called Hydrangea.
- Hydrangea paniculata, shrub of the genus Hydrangea also known as Hydrangea paniculata and Hydrangea paniculata, Hydrangea paniculata flower ambiguously called Hydrangea.
- Hydrangea quercifolia, shrub of the genus Hydrangea also known as Hydrangea quercifolia and Hydrangea quercifolia, Hydrangea quercifolia flower ambiguously called Hydrangea.
Source:
Hydrangea serrata
HYDRANGEA - HYDRANGEA SPP. | The UFOR Nursery & Lab
Hydrangea: Identify and Manage Problems - UMD
Reviewed & Published by Richelle
Submitted by our contributor