Deutzia crenata is a deciduous shrub that typically grows to 6-8 tall and to 8-10 wide. It is native to central and southern Japan where it is often found growing in mountains and forests. This shrub features elliptic to ovate, sharply-toothed, dark green leaves (to 3 long) that turn an attractive yellow in fall. Tiny, five-petaled, white flowers in large, showy panicles (to 8 long) bloom in late spring to early summer. Flowers are followed by spherical, glossy-black fruit.
Related plant:
Deutzia Crenata Nikko
Related plant:
Deutzia Strawberry Fields
About soil condition, Deutzia crenata prefers well-drained soil, and humus-rich soils are the best. They also like full sun to partial sun, but avoid hot, humid conditions. They have a good drought tolerance once established.
Similar to other plants, the Deutzia crenata needs sun to grow properly. However, this plant is a little more shade tolerant than others and can still do well in partial sun. If you live in an area with very hot summers, some afternoon shade may be necessary to prevent the leaves from scorching.
The temperature condition that is most ideal for Deutzia crenata is one that is cool and slightly moist. When the plant is kept in these conditions, it will thrive and produce an abundance of beautiful flowers. If the temperature is too hot or too cold, the plant will not do as well.
Ideal humidity condition for this plant is around 50%. If the humidity gets too low, the leaves can start to drop and the flowers will stop blooming. If the humidity gets too high, the leaves can start to turn yellow and drop off.
Mentioning fertilizer, this plant does best with a balanced fertilizer applied in early spring before new growth begins. Follow the directions on the fertilizer package for best results. Deutzia crenata also benefits from a light winter pruning. Plants can be rejuvenated by removing up to one-third of the oldest stems to the ground.
Pruning is an important part of keeping your Deutzia crenata healthy and looking its best. Pruning not only helps to control the size and shape of the plant, but also helps to remove any dead or diseased branches. When pruning, be sure to use clean, sharp pruning shears to avoid damaging the plant.
Propagation of Deutzia crenata is typically done by softwood cuttings taken from new growth in late spring or early summer. The cuttings should be 4-6 inches long and taken from the tips of the branches. Cuttings should be placed in a rooting hormone and then planted in a well-drained potting mix. Cuttings should be kept moist and in a humid environment until roots have formed.
Usually, the plant growth rate is impressive, with many species capable of growing up to 3 feet per year. However, this plant typically reaches its full potential growth in the first 2 to 3 years after planting, after which the growth rate slows considerably. If you are looking for a plant that will provide a quick burst of growth, deutzia crenata is a good choice. However, keep in mind that this plant will eventually reach a more moderate growth rate.
Common problems for this kind of plant are aphids, caterpillars, slugs, and snails. These pests are known to attack the leaves, stems, flowers, and fruits of the plant. In addition, diseases such as powdery mildew, root rot, and leaf spot can also affect the plant.
Source:
Deutzia crenata - 14 images at PhytoImages.siu.edu image,
Identification, Genome Sizes, and Ploidy of Deutzia - academia.edu
Fuzzy Deutzia