Rohdea japonica is a stellar evergreen perennial herb of the genus Rohdea and is also known as the Japanese Sacred Lily or Sacred Lily.
This rare oriental plant with a tropical appearance is one of the most popular perennials in Japan. It is found naturally in 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 for as long in China. It is considered a “happiness” plant and that is why people use it as a gift for housewarming parties, birthdays and baby showers.
This perennial plant grows in groups of dark green leaves and does especially well in the shade garden when grown in fertilized soil. It is a slow grower, but can be divided if the lumps can get bigger.
This plant can serve as an awesome addition to your ornamental landscapes and as a ground cover.
Holy Lily looks good all year round. The rosettes are elongated with wide, thick, curved green foliage. Small whitish-green flowers turn into attractive bright red berries in autumn and winter. These berries remain at the base of the plant all 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 sacred Lily with rough, wavy plastic-like green leaves with narrow creamy-white edges. This plant grows to about 12 inches tall with a spread of nearly 20 inches.
Rohdea Japonica Herbie
Rohdea japonica ‘Herbie’ has wide rosettes composed of dark green leaves that extend outward and are bordered by a narrow white stripe running from the apex of the leaves 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 creamy green bleached pattern that is usually seen from the middle of the leaf upwards.
Rohdea Japonica ‘Shiro Botan’
This variety consists of long, thick, arched and pointed green leaves that are strongly provided with large white vesicles. They look great in small forest gardens and even in containers.
Care of Japonica Flowers
The Japanese Sacred 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 above all a shade-loving plant and loves partial to full shade. It should not have the midday sun otherwise the leaves will burn and die. It grows well in USDA hardness zones 7-10.
Water And Humidity
This plant is drought tolerant, so it has average water requirements. You should water it regularly during the summers to keep the soil moist to moist. During winters, you can reduce the frequency of watering.
Rohdea japonica prefers rich, well-drained loamy soil. The ideal pH range is between 5 and 7.8.
You are allowed to fertilize your young plant with a balanced formula at the beginning of the growing season. Once established, it can do well without fertilizers.
This plant can be grown both in the ground and in a container. When you get it from a nursery, you will most likely 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 is overfilled, you should repot 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 the spring or early summer.
Pruning will be mainly for ornamental purposes as 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 nibble on the leaves in winter. So, although such strikes are rare, you need to protect them from such an strike.
In some matters, this plant can contract a fungal infection called Colletotrichum liriopen (glomerella species). In the event that your plant is affected by this ailment, you should remove the affected parts and give it an antifungal treatment using a fungicidal spray. However, if it is significantly damaged, it may be necessary to remove the plant.