Tetrapanax papyrifer, commonly known as the rice paper plant or Chinese rice paper tree, is a large perennial shrub or small tree in the Araliaceae family. Native to Taiwan and southeastern China, it has been widely cultivated in other parts of the world for its ornamental value.
This plant can grow up to 6 meters tall with a spread of about 3 meters. Its large, lobed leaves can reach up to 60 cm in diameter and are covered with fine hairs on the underside. While typically green, the leaves turn yellow before dropping in the autumn.
During summer, Tetrapanax papyrifer produces small white flowers that grow in clusters, followed by small black berries that ripen in autumn. The plant prefers moist soil but can tolerate drought once it is well established.
The stem of Tetrapanax papyrifer contains a fibrous layer that was traditionally used to make rice paper, hence its common name, the "rice paper plant." This fibrous material was also used to make clothing, hats, shoes, and other household items.
Tetrapanax papyrifer is an attractive ornamental shrub or tree, suitable for gardens with ample space due to its significant size. It requires minimal maintenance once established but may need occasional pruning to control its size and shape.
The rice-paper plant is disease-resistant and typically not susceptible to illnesses. For care, this species is fairly low-maintenance. When grown outdoors it needs only light watering, and larger specimens usually do not require pruning. Smaller plants, however, should be trimmed after they flower. The rice-paper plant is suitable for anyone with outdoor space—such as a garden or deck—and does not need extensive gardening experience.
How to keep Tetrapanax Papyrifer.
Light
The rice-paper plant genus performs much better when it receives ample sunlight throughout the day. While it tolerates partial light, stronger exposure supports healthy growth. Native to regions with abundant sunshine, it can suffer stunted growth or pale leaves from insufficient light, whereas too much light can scorch the foliage.
Water
The rice-paper plant, native to moist forest underbrush, thrives in conditions of consistent moisture and high humidity, but it also has a moderate tolerance for drought. To mimic its natural environment, water the plant every 1-2 weeks. In subtropical gardens, applying mulch during the growing season can help retain soil moisture, which is beneficial for the plant.
Temperature
The rice-paper plant is a hardy plant adapted to milder climates. It thrives best in temperatures of 59 to 100.4 °F (15 to 38 ℃). In colder seasons, consider adjusting its environment to keep it within this preferred range.
Fertilizer
Proper timing is vital for fertilizing the Rice-paper plant. Begin in early spring and continue monthly until early summer. Fertilizer aids in producing attractive blooms and supplies energy during both dormant and active growth phases.
Pruning
The rice-paper plant is a fast-growing shrub with large leaves. For better size control and to remove deadwood, prune it from early to late winter. This practice promotes air circulation and encourages healthier growth. Be sure to use clean, sharp tools for precise cuts to prevent damage and disease.
Pot & Repot
To promote growth, repot the rice-paper plant every 2 to 3 years in the spring. Use a larger pot to allow for root expansion. After repotting, place the plant in bright, indirect light and keep the soil moist but not waterlogged. This fast-growing shrub benefits from the extra space and careful watering.
Botanical profile.
- Plant Type
- Tree
- Life Cycle
- Perennial
- Genus
- Tetrapanax
- Family
- Araliaceae
- Hardiness Zone
- 8-11
- Mature Height
- 3.05 m to 7.01 m
- Mature Spread
- 1.22 m to 2.44 m
- Leaf Color
- Green
- Leaf Type
- Evergreen
- Flower Color
- White, Cream, Yellow
- Flower Size
- 1.02 cm to 1.52 cm
- Bloom Time
- Late summer, Early fall
- Planting Time
- Spring, Autumn
- Harvest Time
- Early spring, Mid fall, Late fall, Winter
- Native Area
- Vietnam, Laos, China
Other names.
Reader questions.
How should I water my Rice-paper plant?
Your Rice-paper plant doesn't have specific requirements for how you water it, so you can use any common watering tool. This includes watering cans, hoses, or even cups. Regardless of which tool you choose, it's important to water the plant's soil directly. Make sure to evenly moisten all areas of the soil to give the entire root system the water it needs. Using filtered water is recommended to avoid harmful particles in tap water. Additionally, it's best to use water that is at or slightly above room temperature since colder or hotter water might shock the plant. However, the Rice-paper plant usually responds well to any kind of water.
Why do I have to add fertilizer to my Rice-paper plant?
Fertilizing your Rice-paper plant has several key benefits. Firstly, it helps your plant produce beautiful blooms. To achieve this, it's best to fertilize in early spring for optimal flowering during the season. Additionally, fertilizer provides your plant with ample energy, which it can store in the ground during its dormant phases. By giving your Rice-paper plant extra nutrients during fall planting or late spring, you can ensure it has more energy to utilize once active growth resumes.
What are the sunlight requirements for Rice-paper plants?
Rice-paper plants flourish in full sun, requiring above 6 hours of sunlight daily, but they can also tolerate partial sun, which means about 3-6 hours of sunlight. Ensuring the right amount of sunlight is crucial for their growth and health. The plant's native regions are typically sunny, so insufficient light can lead to stagnated growth or pale leaves, while excessive exposure can cause leaf scorch. Observing how sunlight moves through your garden will help you find the ideal location that provides the right balance of light and shade.
What is the ideal temperature range for a Rice-paper plant?
The ideal temperature range for a Rice-paper plant is between 59 to 100.4 °F (15 to 38 °C). This plant thrives in moderate climates and can tolerate some cold, generally not requiring additional protection if the temperature is above -5°C. However, it's crucial to adjust the plant's environment during colder seasons to maintain temperatures within this range for optimal health.
What should I do if I give too much or too little water to my Rice-paper plant?
Outdoor plants, especially newly planted ones or seedlings, are prone to lack of watering. It is important to water them enough for the first few months, even if they are small or just planted. This is because once the roots are established, the plant can rely on rain for hydration. When your Rice-paper plant is in a pot, overwatering is more likely to happen. If you accidentally overwater your plant, take immediate action to fix the situation. Stop watering it right away to minimize the negative effects. Then, remove the plant from its pot and check its roots. If you find that none of the roots have root rot, you can safely return the plant to its container. However, if you notice signs of root rot, trim away any affected roots and consider applying a fungicide to prevent further damage. Finally, repot the Rice-paper plant in well-draining soil. On the other hand, if your Rice-paper plant is underwatered, the solution is simple: water it more frequently. When a plant is underwatered, its leaves start to droop, dry out, and fall off. However, with enough watering, the leaves will quickly regain their fullness. Adjust your watering frequency as soon as you notice underwatering.
When should I fertilize my Rice-paper plant for best results?
To ensure effective fertilization for Rice-paper plants, timing is key. Applying fertilizer too early while the plant is dormant is not beneficial as it will be washed away by rainwater, leading to waste and pollution. Instead, the first application of fertilizer should be done in early spring, followed by monthly fertilization until early summer.
How do artificial lights support Rice-paper plant growth indoors?
In conditions where natural sunlight is insufficient, especially during winter or in less sunny spaces, artificial lighting can be a vital solution for Rice-paper plants' optimal growth indoors. LED lights are popular for indoor plant lighting due to their customizability to provide specific wavelengths of light that plants need. Full sun plants need 30-50W/sq ft of artificial light, 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, and kept on for 8-12 hours per day to support healthy growth.
How do I protect my Rice-paper plant from cold temperatures?
Rice-paper plants have moderate cold tolerance but need protection when temperatures drop below -5°C. If you expect temperatures to fall further, it's necessary to take temporary cold protection measures. Wrapping the plant with plastic film, fabric, or other insulating materials can help. Once the temperature rises again, these protective measures should be removed to prevent any potential damage from excessive moisture retention.
How often do I need to water my Rice-paper plant?
Most plants outdoors can grow with rainfall. If your area doesn't have much rainfall, water your plants every 2 weeks in the spring and fall, more often in the summer, and less often in the winter. Young or newly planted Rice-paper plants need more frequent watering to help them establish and grow. For potted plants, you can set a watering schedule of once a week or every other week, but this may not always be enough. Adjust the frequency based on soil moisture, waiting until the top few inches of soil have dried out before watering again.
When is the best time to not use fertilizer on my Rice-paper plant?
To promote healthy flower growth in Rice-paper plants, it is important to use a fertilizer with a lower level of nitrogen compared to other nutrients. Avoid fertilizing after early autumn as this can lead to excessive growth before winter. Additionally, avoid fertilizing during hot and dry periods as the dry soil will not effectively deliver the fertilizer and stimulate unnecessary growth that requires more water. It is best to apply fertilizer earlier in the season when temperatures are cooler. Lastly, be cautious about accidentally giving nearby plants or lawns a double dose of fertilizer as Rice-paper plants can absorb the nearby applied fertilizer.
What are the symptoms of inappropriate lighting conditions in Rice-paper plants?
Rice-paper plants demonstrate various symptoms when lighting conditions are not optimal. Insufficient light can result in small, new leaves; leggy or sparse growth; early leaf drop to conserve resources; delayed or halted growth; pale or irregularly colored new leaves due to lack of chlorophyll; and conditions like chlorosis, where leaves turn yellow from the breakdown of chlorophyll. Too much sunlight can cause symptoms like sunscald, leaf curling, wilting, and leaf scorching, indicating damage from overexposure. Adapting lighting conditions appropriately can help mitigate these issues.
What symptoms indicate cold damage in Rice-paper plants, and how do I address them?
Cold damage in Rice-paper plants is indicated by drooping leaves when temperatures fall below -10°C. In mild cases, the plant can recover, but severe cold can cause the leaves to wilt and fall off. To address cold damage, trim off the frost-damaged parts. Before the plant faces low temperatures again, wrap it with non-woven fabric or cloth and set up a wind barrier for added protection against cold winds.
