Kerria japonica golden guinea is a plant that is native to Japan. It is a deciduous shrub that grows to be about 6 feet tall. The leaves of the plant are a bright green color and they are oval shaped. The flowers of the plant are a golden yellow color and they bloom in the springtime.
Related plant:
Japanese Kerria
About soil condition, the Kerria Japonica prefers well-drained soils, including clay, loam, and sand. It is adaptable to both dry and moist conditions, but it will not tolerate waterlogged soil. It is also tolerant of Alkaline soils.
So, like the other japonicas, the golden guinea requires full sun to partial shade. It grows best in well-drained soils with a slightly acidic to neutral pH level. The golden guinea can tolerate brief periods of drought, but it will not perform well if the soil is constantly wet.
The temperature conditions that are ideal for Kerria japonica 'Golden Guinea' are cool to warm temperatures. This plant does not tolerate extreme heat or cold and will not survive if exposed to either condition for extended periods of time. The temperature range that is considered ideal for this plant is between 60 and 80 degrees Fahrenheit.
Ideal humidity condition for this plant is around 40-50%. If the environment is too dry, the leaves will start to wilt and the plant will become unhealthy. Too much moisture in the air will cause the leaves to turn yellow and fall off.
Discussing fertilizer, this kind of plant need high phosphorous and nitrogen during blooming, but low nitrogen during the leaf growth period. You should also pay attention to the root when you take care of this plant as it is rather finicky. Be sure not to overwater or let the roots sit in water, as this will lead to root rot.
Pruning is an important step in keeping your kerria japonica golden guinea healthy and looking its best. Pruning also helps encourage new growth, which can keep your plant looking fuller and more vibrant. To prune your plant, simply trim back any dead or dying branches. You can also trim back any branches that are growing too long or out of control. Be sure to use sharp, clean pruning shears to avoid damaging your plant.
Propagation of kerria japonica 'Golden Guinea' is usually done by cuttings taken from young, vigorously growing shoots in late spring or early summer. The cuttings should be about 6 inches (15 cm) long and should include 2-3 sets of leaves. They can be planted directly into the ground or into containers filled with a well-drained potting mix.
Usually, the plant growth rate during the spring and summer. However, if the plant gets too big for its pot, it can slow down. To encourage growth, fertilize monthly with a balanced fertilizer and make sure the plant gets six hours of direct sunlight each day. If you live in a cold climate, keep the plant indoors during the winter months.
Common problems for this kind of plant are mainly due to its weak root system. The plant is also susceptible to fungal diseases, such as powdery mildew and root rot. In addition, aphids and scale insects can infest the plant and cause damage.
Source:
UNF - UNF Landscape - Kerria japonica - Kerria
Kerria japonica - hvp.osu.edu
Japanese Kerria (Kerria japonica)
