Rohdea japonica is a stellar evergreen perennial of the genus Rohdea and is also known as the Japanese Holy Lily or holy Lily.
This rare Oriental plant with a tropical look is one of the most popular perennials in Japan. It is native to Japan and China, where it occurs naturally in moist forests and on grassy slopes.
Rohdea japonica it has been cultivated in Japan for at least 500 years and probably as long in China. It is considered a plant of “happiness” and that is why people use it as a gift for housewarming parties, birthdays and baby showers.
This perennial grows in clumps of dark green foliage and does particularly well in the shade garden when grown in fertilized soil. It is a slow grower but can be divided because the lumps can get bigger.
This plant can serve as a great addition to your ornamental landscapes and as a ground cover.
The Holy Lily looks great all year round. The rosettes are elongated with wide, thick, arched green leaves. Small white-green flowers turn into attractive bright red berries in autumn and winter. These berries remain at the base of the plant throughout the winter.
Varieties Of Rohdea Japonica
This plant is available in a number of varieties. Here are some of the most common.
Rohdea Japonica Chirimen Boshi
This is an unusual variety of Japanese Holy Lily with rough, wavy plastic-like green leaves with narrow creamy-white edges. This plant grows about 12 inches tall with a spread of almost 20 inches.
Rohdea Japonica Herbie
Rohdea japonica ‘Herbie’ has wide rosettes consisting of dark green leaves that reach out and are bordered by a narrow white stripe from the Leaf apex to the base.
Rohdea Japonica ‘Miyako-no-Hana’
This variety grows relatively faster and can quickly form lumps about 20 inches high and 2 inches wide. The leaves have an irregular green and creamy spotted pattern that is especially visible from the center of the leaf to the top.
Rohdea Japonica ‘Shiro Botan’
This variety includes long, thick curved and pointed green leaves that are strongly connected with large white spots. They look great in small wooded rockeries and even in containers.
Flower Japonica Care
The Japanese Holy Lily is a hardy plant, so it is not difficult to grow it. Here are some specific care requirements for this plant.
Light and temperature
It is mainly a shade-loving plant and loves partial to full shade. It should not have the midday sun otherwise the leaves will burn and pass away. It grows well in USDA hardness zones 7-10.
Water and humidity
This plant is drought tolerant, so it has an average water requirement. You need to water it regularly during the summers to keep the soil moist too wet. During the winters, you can reduce the frequency of watering.
Rohde japonica prefers rich, well-drained loamy soil. The ideal pH range is between 5 and 7.8.
You can fertilize your young plant with a balanced formula at the beginning of the growing season. Once established, it does well without fertilizers.
This plant can be grown in open ground or in pots. When you get it from a nursery, you will probably find it in a small plant and it will need to be transplanted into well-drained soil.
If you grow it in a pot, you don’t need to repot it too often because it grows slowly. However, if the pot becomes cluttered, you need to repot it in a container one size larger than the previous one.
You can propagate the plant by division or by seeds. It is best to sow the seeds in a greenhouse as soon as they are ripe. When they are large enough, you need to prick the seedlings into individual pots and grow them in the greenhouse for the first winter. You can then plant them in their permanent positions after in spring or early summer.
Pruning will be especially for ornamental purposes if the plant grows slowly. If you notice brownish-yellow dying leaves, you can remove them from the base.
There are no serious growth problems with Rohdea japonica. You just need to make sure that they are grown in rich, moist soil and in partially shaded conditions.
There are no known pest problems with this plant. Sometimes wild rabbits can nibble on the leaves in winter. So, even if these strikes are rare, you need to protect them from such a strike.
In some matters, this plant can contract a fungal infection called Colletotrichum liriope (glomeruli species). In the event that your plant is affected by this ailment, you need to remove the affected parts and give it a fungicidal treatment using a fungicidal spray. However, if it is severely damaged, it may be necessary to remove the plant.