Chloranthus japonicus — a medium houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Chloranthus japonicus

Chloranthus Japonicus

Updated · 5 observations
ON THIS PLANT

Chloranthus japonicus is a perennial herb in the Chloranthaceae family.

A note from PlantMom

Chloranthus has strong disease resistance and is usually not highly susceptible to illnesses. Nevertheless, it can be affected by pests and diseases present in its vicinity. Such infections are generally mild. Regarding maintenance, this plant requires a moderate level of care. It benefits from regular pruning to preserve a neat appearance and support healthy growth. Fertilizing can also help encourage flowering. Chloranthus is well suited for anyone with outdoor space, like a garden or patio, and does not demand extensive care experience. It may need closer attention when grown indoors.

— PlantMom
CARE GUIDE

How to keep Chloranthus Japonicus.

Light

Chloranthus occurs naturally in habitats like forest understories or rocky sites, where it grows in natural shade. It prefers partial sun but can tolerate both full sun and full shade, demonstrating its versatile, hardy nature.

Temperature

Chloranthus can tolerate a wide range of temperatures, but its distribution may still be restricted by particular combinations of water and heat. It does best in warm summers with sufficient rainfall or watering. Extended periods of cloudy, rainy weather, as well as prolonged high temperatures, can raise the chance of Chloranthus dying. In winter, adequate protection from the cold can improve the plant’s survival rate.

Fertilizer

The best time to fertilize a Chloranthus is in early spring, when it is coming out of dormancy and beginning active growth. Fertilizing supplies essential nutrients for healthy development. Although Chloranthus has fairly low fertilizer requirements, applying fertilizer annually can improve its survival and encourage better, longer-lasting flowers.

Pruning

Chloranthus benefits greatly from pruning either in early spring or late winter, which helps to promote growth and improve air circulation. It's important to trim dead branches and shape the plant to increase its density. Additionally, removing any crossing branches will help prevent potential damage. Regular pruning not only enhances blooming but also boosts the plant's overall vitality, improving both its appearance and health.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb, Shrub
Life Cycle
Perennial
Genus
Chloranthus
Family
Chloranthaceae
Hardiness Zone
6-8
Mature Height
20 cm to 49 cm
Mature Spread
30 cm to 61 cm
Leaf Color
Green, Dark Green
Leaf Type
Evergreen
Flower Color
White, Pink
Flower Size
1.02 cm to 3.05 cm
Bloom Time
Early spring, Mid spring
Planting Time
Spring, Summer
Harvest Time
Mid summer, Late summer, Early fall
Native Area
Russia, Japan, Koppen, South Korea, China
ALSO KNOWN AS

Other names.

en Chloranthus
FREQUENTLY ASKED

Reader questions.

What are the sunlight requirements for Chloranthus plants?

Chloranthus plants thrive in environments with partial sun, requiring about 3-6 hours of sunlight daily. They are native to forest understories or rocky areas where they experience natural shade, making them versatile as they can also tolerate full shade. It's essential to watch how sunlight moves through your garden to choose spots that offer a balance of light and shade, ensuring the plants' happiness.

How can artificial lighting support Chloranthus indoor plants?

When natural sunlight is insufficient, especially in winter or less sunny spaces, artificial lighting becomes crucial for the growth of Chloranthus indoor plants. LED lights are recommended as they can provide specific wavelengths needed by the plants. For full sun plants, 30-50W per square foot is needed, partial sun plants require 20-30W/sq ft, and full shade plants need 10-20W/sq ft. The light source should be placed 12-36 inches above the plant, mimicking natural sunlight for 8-12 hours per day.

What are the symptoms of insufficient light in Chloranthus plants?

Symptoms of insufficient light in Chloranthus include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or halted growth, lighter-colored new leaves, chlorosis or yellowing leaves, sunscald, leaf curling, wilting, and leaf scorching. These signs indicate the plant's struggle with light deficiency, affecting its overall health and ability to photosynthesize.

What are the solutions for Chloranthus plants facing insufficient sunlight?

For indoor plants, gradually shift them to sunnier spots each week to receive 3-6 hours of sunlight daily or use artificial light if the plant is large. Outdoor plants should be moved gradually to avoid sunburn. Minimizing obstructions like pruning tree branches can help increase sunlight exposure. If necessary, transplant smaller plants during their dormant period to a location with better sunlight and drainage. Note that parts of the plant affected by sunlight deficiency may not recover, but new growth will be healthy with increased light exposure.

PLATES
Chloranthus japonicus leaf
PLATE 01 · leaf
Chloranthus japonicus flower
PLATE 02 · flower
Chloranthus japonicus flower
PLATE 03 · flower
ALSO IN THE LIBRARY

You might also like.