Edgeworthia chrysantha
Paperbush · Oriental paperbush · Indian paper tree · Mitsumata
Description
Source: leafsnapEdgeworthia chrysantha, commonly known as the paperbush plant, is a deciduous shrub native to China and Japan. Belonging to the Thymelaeaceae family, this plant can grow up to 6 feet tall and wide. It features attractive gray-green, oval-shaped leaves with pointed tips. In late winter or early spring, the paperbush produces clusters of fragrant yellow flowers that look like small pom-poms. This plant thrives in partial shade to full sun and prefers well-draining soil rich in organic matter. Although it can tolerate some drought, it benefits from regular watering during dry spells. Edgeworthia chrysantha has a history of use in traditional Chinese medicine for its anti-inflammatory properties and for treating coughs and other respiratory ailments. Overall, this beautiful shrub adds interest to any garden with its unique flowers and attractive foliage, while also offering potential health benefits through traditional medicinal practices.
💡 In Japan, the paperbush, scientifically known as Edgeworthia chrysantha, is utilized to produce a variety of functional and decorative papers, collectively referred to as washi. This plant is valued for its long-lasting fibers, which make it ideal for creating both delicate writing papers and durable banknotes.
🎭 Make a knot
Care Guide
💧 Water Every 7 days
The paperbush plant originates from the forested hillsides of China, where it thrives in consistent humidity and needs moderate watering every 1-2 weeks. As a deciduous plant, it sheds its leaves seasonally, which impacts its water absorption and requires careful monitoring. Typically grown outdoors for its size and ornamental appeal, the paperbush can tolerate short periods of dryness.
How should I water my Paperbush plant to keep it healthy?
To promote excellent root development, consider placing a garden hose at the base of your plant. Avoid spraying the leaves directly, as this can be detrimental. Keep in mind that leaves may require more water if they are exposed to direct sunlight outdoors. You can also utilize bubblers specifically designed for each plant to keep the roots moist. Soaker hoses, which can cover the whole garden or bed, are also effective when adding or removing plants, as they encourage deep root growth. Make sure to drain any excess water and allow the soil to dry before watering again. Watering at ground level is recommended to prevent diseases. Additionally, on a sunny day, it may be beneficial to spray the entire bush with water. Regardless of whether your Paperbush is potted or in-ground, remember that it prefers deep watering rather than light sprinkling.
What should I do if I give Paperbush too much or too little water?
Overwatering a Paperbush can cause yellowing, dropping, and wilting of leaves. The plant may also look unhealthy with mushy stems. When these signs appear, it's best to adjust your watering schedule. Wilting can also indicate under watering, with leaves turning crispy and dry. If the soil is dry and watering alone is not enough, give the plant a thorough watering. However, even with enough water, the Paperbush may still have dry and yellow leaves due to a damaged root system. Once the plant recovers, the yellowing of leaves will stop. When growing a Paperbush indoors, always check the moisture levels and avoid overwatering. Look for signs of black spots, which indicate overwatering, and allow the soil to dry out if these signs are present. Overwatering can lead to root rot, so transfer the plant to a different pot if discolored and slimy roots are visible. Prevent root rot by avoiding overly soggy soil. When planting the Paperbush outdoors, check the moisture level by digging a bit deeper with your fingers. If the soil is too dry, it may indicate underwatering. Provide adequate watering to help the plant recover.
How frequently do I need to give water to my Paperbush?
The Paperbush plant prefers deep and infrequent watering, especially when it is in a pot. To ensure proper watering, soak the plant in a gallon of water each time. In pots, the water storage is limited, causing the soil to dry out quickly. In colder regions, water the plant every 3 to 5 days. It's best to water early in the morning when the soil is dry, whether you have the plant indoors or outdoors. You can check the moisture level by touching the soil. If the top 2-3 inches are dry, it's time for a full watering. On hot days, monitor the moisture level daily as the pot's soil can dry out rapidly. If you have a garden, proper irrigation is necessary, especially in hot climates where watering once a week may be required. Only water when the soil is too dry, about 2 to 3 inches deep. Be mindful of rainfall and avoid overwatering to prevent root rot. Paperbush typically grows in spring and fall. If the plants are outside, adding a 3 to 4-inch layer of mulch can help conserve water. Sandy soil requires more frequent watering due to its fast drainage, while clay soil needs less watering to prevent root rot. To keep track of watering, mark the calendar and pay attention to drooping leaves, which may indicate the need for water.
How much water should I give my Paperbush plant?
To properly water the Paperbush, it generally needs about a gallon of water on a regular schedule. If you have potted plants, it's a good idea to water them deeply until you see water dripping at the bottom of the pot. Make sure to wait for the soil to dry before watering them again. To determine how much water you've given your plant in a week, you can use a water calculator or a moisture meter. During the flowering period, provide plenty of water but allow the moisture to evaporate afterward to prevent root rot. If the Paperbush is planted outdoors and receives enough rainfall, it may not need additional watering. However, when the Paperbush is young or newly planted, make sure it gets 1-2 inches of rain per week. As the Paperbush grows, it can survive solely on rainfall. Only in hot weather or when there is no rainfall for 2-3 weeks should you consider giving the Paperbush a thorough watering during the cooler part of the day to prevent heat damage. Additional watering will be necessary during long periods of dry weather.
Should I water my Paperbush more or less depending on the time of year or the weather?
To properly care for the Paperbush, it's important to consider its watering needs throughout the different seasons. During the spring and fall, the soil should be kept moist but not overly wet, as alternating dry and moist conditions benefit its growth. In the summer, hot weather and lack of rainfall can cause water to evaporate quickly, so more frequent watering is necessary to ensure the soil stays moist. However, during the winter when the Paperbush is dormant and loses its leaves, it requires less water. Using a well-draining but moisture-retentive soil mixture can help maintain the proper moisture balance. Once the Paperbush starts growing leaves again, watering can be skipped, as it can rely on fall and winter rains to sustain it during its dormant period. When planting the Paperbush in a pot, it's important to provide adequate drainage to prevent cold and wet roots. Deep soaking the entire root system at least once or twice a week, depending on the weather, is recommended, rather than using shallow sprinkles that only reach the leaves. However, it's important to avoid allowing the plants to dry out completely in the fall or winter. Proper drainage is essential as the Paperbush does not tolerate excessive water accumulation, especially during the winter, as this can lead to their death. Lastly, applying mulch can help reduce stress, conserve water, and promote healthy blooms.
☀️ Light Full sun
Paperbush needs continuous exposure to abundant sunlight to do well. While it can tolerate slightly obscured sun for a while, truly thriving requires a large amount of light. Its light needs do not change with different growth stages. Native to sunny habitats, too little light causes weak, spindly growth, while too much can burn the leaves.
What are the sunlight requirements for Paperbush (Edgeworthia chrysantha)?
Paperbush (Edgeworthia chrysantha) needs full sun, defined as more than 6 hours of sunlight daily, to thrive optimally. It can also tolerate partial sun, which means about 3-6 hours of sunlight. However, it's crucial to observe the way sunlight moves through your garden to find spots that offer a perfect balance of light and shade. This ensures the plants remain happy by receiving the amount of light suited to their needs.
What essentials should I provide for Paperbush for it to grow properly?
Paperbush plants require constant exposure to ample sunlight for proper growth, as they originate from environments with generous sunlight. Consistent, bright light is crucial for all growth stages of the plant, with a lack of light leading to weak, spindly growth and excessive light possibly causing leaf scorching. Indoor Paperbush plants benefit significantly from artificial lighting, especially in less sunny spaces or during winter. LED lights are advisable, providing 30-50W/sq ft for full sun plants, 20-30W/sq ft for partial sun plants, and 10-20W/sq ft for full shade plants. It's important to mimic natural sunlight conditions in terms of intensity, distance (12-36 inches above the plant), and duration (8-12 hours per day).
What are the common symptoms of incorrect light exposure in Paperbush plants?
Paperbush plants exhibit several symptoms when exposed to suboptimal light conditions. They include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, and lighter-colored new leaves indicating a lack of chlorophyll. Excessive light exposure can cause chlorosis (yellowing of leaves), sunscald (damage from intense light), leaf curling as a defense against sunlight, wilting from water loss, and leaf scorching. These symptoms help in diagnosing the plant's health related to its light exposure.
How can I address the symptoms of poor lighting in my indoor and outdoor Paperbush plants?
To address lighting issues for Paperbush plants, gradually acclimatize them to the desired light conditions. For indoor plants, move them to sunnier locations incrementally until they receive at least 6 hours of direct sunlight daily. Using a south-facing window helps maximize sunlight exposure. If natural light is insufficient, supplement with artificial light for at least 8 hours daily. For outdoor plants, similarly move them gradually to avoid shock and sunburn. If parts of the plant suffered from poor light, they might not recover, but new growth should be healthy with better lighting. Additionally, reducing obstructions like overhanging branches and considering transplanting smaller plants to sunnier spots can improve light exposure.
🌡️ Temperature 15–35°C
The paperbush is a temperate woody plant that does best at temperatures of 59 to 95℉ (15 to 35℃). It is native to regions with temperatures ranging from 53 to 86℉ (12 to 30℃). In winter, it is recommended to set temperatures to roughly 32 to 50℉ (0 to 10℃) to encourage dormancy.
What are the ideal temperature conditions for Paperbush?
The Paperbush, also known as Edgeworthia chrysantha, is a temperate woody plant that thrives best in temperatures ranging from 59 to 95°F (15 to 35°C). It originates from regions where the temperatures typically vary between 53 to 86°F (12 to 30°C). To promote dormancy during the winter, it is advised to maintain the temperature around 32 to 50°F (0 to 10°C). The Paperbush has some degree of cold tolerance and doesn't usually require special care for temperatures above -5°C. However, if temperatures are expected to fall below this threshold, protective measures such as wrapping the plant in plastic, fabric, or other materials should be taken but removed once warmer temperatures resume.
How does Paperbush respond to low temperatures, and what are the recommended solutions?
Paperbush possesses moderate tolerance to low temperatures, functioning optimally when the temperature remains above 15°C. It should be protected during the winter to keep temperatures above -5°C. Exposure to temperatures below -10°C may result in drooping leaves; they might recover in milder cases, but severe exposure leads to wilting and leaf fall. To address frost damage, trim off the affected areas. To prepare for future cold spells, wrap the plant in non-woven fabric or cloth, and erect a wind barrier to safeguard against cold winds.
How should I care for Paperbush during high temperatures?
In the summer, it's crucial to ensure that the Paperbush is kept below 35°C to prevent stress. When temperatures exceed 41°C, the plant may show signs of stress such as lighter leaf color, dry and withered leaf tips, leaf curling, and increased risk of sunburn. To mitigate damage, trim the sunburned and dried parts and relocate the plant to a shaded area during the intense midday and afternoon sun, or employ a shade cloth. Watering the plant during the morning and evening helps maintain soil moisture, which is vital for the plant's well-being in high temperatures.
💨 Humidity
🪴 Soil 6-7
🌱 Fertilizer
Timing is important for fertilizing Paperbush. Apply fertilizer in early spring and continue monthly through early summer. Fertilizer encourages attractive blooms and supplies energy during both dormant and active growth phases.
Why should I put fertilizer on my Paperbush?
Fertilizing a Paperbush is important for several reasons. Firstly, it helps the plant produce beautiful blooms. To ensure excellent flowers in the upcoming season, it is recommended to fertilize in early spring. Additionally, fertilizer provides the plant with energy that can be stored in the ground during dormant growth phases. By giving extra nutrients in the fall planting process or late spring, the Paperbush can store more energy to use when it becomes active again.
When should I put fertilizer on my Paperbush?
To effectively fertilize Paperbush, timing is crucial. Applying fertilizer too early while the plant is still dormant will be ineffective and susceptible to being washed away by rainwater, resulting in waste and pollution. It is best to apply the first application of fertilizer in early spring and continue fertilizing monthly until early summer.
When is it best to not fertilize my Paperbush?
To ensure Paperbush's optimal growth, it is important to be mindful of its fertilizer choices. Excessive nitrogen content should be avoided as it tends to promote leaf development rather than blooming. Look for fertilizers with lower nitrogen levels compared to other nutrients. It is advisable to refrain from fertilizing after early autumn, as this can lead to excessive growth right before winter. Additionally, avoid fertilizing Paperbush during hot and dry periods, as dry soil does not effectively deliver fertilizer and can cause unnecessary growth that requires more water, often unavailable. It is best to apply fertilizer earlier in the season when temperatures are cooler. Lastly, be cautious when applying fertilizer near Paperbush, as it can absorb fertilizer from nearby plants, potentially causing an unintentional double dose.
What kind of fertilizer should I use for my Paperbush?
To help your Paperbush thrive, it is important to use a fertilizer with a balanced mix of nutrients, with slightly higher levels of phosphorus. Alternatively, you can enrich the soil by adding organic materials like compost, worm castings, or manure. Experienced gardeners often supplement with water-soluble fertilizers containing phosphorus when the flower buds appear, which leads to better flower development and longer blooming. There are various forms of fertilizers available, but liquid or powdered forms are particularly effective for Paperbush. Whatever type you choose, remember to dilute the fertilizer before applying it while watering your plant.
How should I give nutrients to my Paperbush plant?
To properly fertilize your Paperbush, always follow the specific directions for the type of fertilizer you are using. It is crucial to avoid over-fertilization, so finding the right amount to use is important. A good rule of thumb is to base the amount on the age of the tree or the diameter of the trunk. Estimate about one-tenth of a pound per year or per inch of trunk, with a maximum limit of one pound. Apply granular or organic fertilizers like blood meal by sprinkling them around the base of the tree, extending all the way to the drip line (the area beneath the farthest-reaching branches). Make sure not to let the fertilizer touch the trunk. Over time, the granules will break down and filter into the soil, where the roots can absorb them. After fertilizing, spread a one-inch layer of compost around the tree's base and water thoroughly.
🪴 Pot & Repot 2-3 years
When repotting Paperbush, select a container 1-2 inches (2.5–5.1 cm) larger with good drainage. Use a well-draining potting mix. Repot in spring or fall, making sure the root ball sits slightly lower than the pot rim. Water thoroughly after repotting and place it in a warm spot with indirect sunlight.
✂️ Pruning
Paperbush displays its fragrant, yellow flowers on bare stems in late winter. After the flowers have bloomed, prune the plant in late spring. Focus on removing dead branches and thinning crowded areas to improve air circulation. Avoid heavy pruning to preserve the plant's shape, which encourages vigorous growth and enhances blooms for the following season.
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity
Characteristics
- Plant Type
- Shrub
- Life Cycle
- Perennial
- Genus
- Edgeworthia
- Family
- Thymelaeaceae
- Hardiness Zone
- 8-10
- Mature Height
- 0.61 m to 2.13 m
- Mature Spread
- 1.22 m to 1.83 m
- Leaf Color
- Green, Silver
- Leaf Type
- Deciduous
- Flower Color
- Yellow
- Flower Size
- 3.05 cm to 5.08 cm
- Bloom Time
- Early spring, Winter
- Planting Time
- Spring, Autumn
- Harvest Time
- Mid spring, Late spring
- Native Area
- Myanmar, China