Rosa bracteata
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Rosa bracteata

Macartney Rose

Tier 1 Difficulty: hard Water: high Light: full_sun
Water every
7 days
Temperature
10–35 °C
Soil pH
5–6
Hardiness
Zone 6–9
Click count
159
Observations
37

Description

Source: leafsnap

Rosa bracteata, commonly known as the Macartney rose or bracteata rose, is a species of climbing rose native to China. This vigorous and hardy plant can reach heights of up to 10 meters and spread up to 5 meters in width. Its glossy green leaves are pinnate, featuring five or seven leaflets. The Macartney rose produces large, fragrant flowers that are either white or pale yellow, with a diameter of approximately 10 centimeters. These blooms appear from late spring through summer and are followed by small, red hips. Often used as an ornamental climber due to its attractive foliage and showy blooms, the Macartney rose can be trained over arches, trellises, walls, or fences, creating an impressive display of color during the flowering season. Rosa bracteata prefers well-drained soil and full sun exposure but can also tolerate partial shade. Regular pruning is necessary to maintain its shape and promote healthy growth. In traditional Chinese medicine, Rosa bracteata has been used for its medicinal properties, such as treating digestive disorders and reducing inflammation, thanks to its high antioxidant content. Overall, Rosa bracteata is a beautiful climbing plant that adds charm and elegance wherever it grows, while also offering potential health benefits through traditional medicinal practices.

🎭 Love, Psychic Abilities, Healing

Care Guide

💧 Water Every 7 days

Originating from East Asia, the Macartney rose is a resilient plant that can adapt to changing moisture conditions. It thrives with balanced hydration and should be watered every 1-2 weeks, allowing the soil to dry slightly between waterings. As a suitable outdoor plant for various climates, using mulch can help retain moisture and reduce the frequency of watering.

Suggested frequency: Every 7 days
FAQ
What is the best way to water my Macartney Rose plant?

To promote excellent root development, it's recommended to place a garden hose at the base of the plant. It's important to avoid spraying water directly on the leaves. If the plant is outdoors and exposed to direct sunlight, the leaves will need more watering. Using bubblers or soaker hoses to moisten the roots of each plant is also effective. When adding or removing plants, consider using soaker hoses that cover the entire garden bed for deep root hydration. After watering, make sure to drain any excess water and allow the soil to dry before watering again. Watering at ground level helps prevent diseases. On a sunny day, it's beneficial to spray the entire bush with water. Whether the Macartney Rose is in a pot or in the ground, remember to provide deep watering rather than light sprinkling.

What should I do if I give the Macartney Rose too much or too little water?

An overwatered Macartney Rose shows signs of yellowing, wilting, and dropping off leaves. The plant may also appear dull and unhealthy with mushy stems. When these signs start to show, it's best to adjust your watering schedule. Wilting can also be a sign of under watering, resulting in crispy and dry leaves. To address this, check the soil when it's dry and provide a thorough watering. However, even with enough water, the plant may still have dry and yellow leaves due to root damage. The yellowing will stop once the plant returns to normal. When growing Macartney Rose indoors, always check the moisture levels and avoid overwatering. Look for signs of black spots and give the soil a few days of rest from watering if present. Overwatering can lead to root rot, indicated by discolored and slimy roots. To prevent this, transfer the plant to a different pot and avoid excessively soggy soil. When planting Macartney Rose outdoors, dig deeper and if the soil feels too dry, it may need more water for recovery.

How frequently should I water my Macartney Rose plant?

The Macartney Rose prefers deep and infrequent watering, especially when planted in pots. Since the water storage in pots is limited and the soil dries out faster, it's important to soak the plant in a gallon of water each time. In colder regions, watering every 3 to 5 days is necessary. It's best to water in the early morning when the soil is dry. You can check if watering is needed by examining the top 2-3 inches of soil; if it's dry, it's time for a full watering. During hot days, the soil in the pot can dry out quickly, so checking the moisture daily is important. If you have a garden, irrigation is also necessary. In hot climates, watering once a week is recommended, but only when the soil becomes too dry. Take into consideration the amount of rainwater received by the plant to prevent overwatering and root rot. Macartney Rose typically grows in spring and fall. If planted outdoors, adding a layer of mulch about 3 to 4 inches deep can help conserve water. Sandy soil drains faster, requiring more frequent watering, while clay soil requires less frequent watering to avoid root rot. It can be helpful to mark the watering dates on a calendar and be mindful of drooping leaves, as it may indicate the need for watering.

How much water should I give my Macartney Rose?

The Macartney Rose needs about a gallon of water on its schedule. For potted plants, water them deeply until you see water dripping from the bottom of the pot, and then wait for the soil to dry before watering again. You can use a water calculator or moisture meter to track how much water you've given the plant in a week. During the flowering period, provide plenty of water but allow the moisture to evaporate to prevent root rot. If the Macartney Rose is planted outdoor with enough rainfall, it may not need extra watering. However, when it's young or newly planted, make sure it receives 1-2 inches of rain per week. As it grows, it can rely solely on rainfall, unless the weather is extremely hot or there is no rain for 2-3 weeks. In those cases, water the plant during cooler times of the day to avoid heat damage. Additional watering will be necessary during prolonged dry spells.

Do I need to change how often I water my Macartney Rose depending on the time of year or the weather?

The Macartney Rose prefers to be outdoors and relies on rain for watering, though some watering may be needed during dry weather. In the spring and fall, the soil should be kept moist but not soggy, alternating between dry and moist conditions. In the summer, hot weather can cause water to evaporate quickly, so extra watering may be required if there is a lack of rainfall. During winter, the Macartney Rose requires less water as it goes dormant. Well-draining soil with good drainage is important during this time. Once the plant begins to leaf out in spring, it can rely on rainfall. Adequate drainage is necessary for potted plants, especially during summer. Deep soaking the roots once or twice a week, avoiding shallow sprinkles, is recommended. Avoid letting the plant dry out completely, even during dormancy. Proper drainage is important to prevent drowning and mulching is beneficial for reducing stress and conserving water.

☀️ Light Full sun

The Macartney Rose performs best when it receives plenty of sunlight during the day, similar to its original growing environment. Its light requirements remain consistent as it matures. Too much light can cause leaf discoloration, while too little light can limit its ability to bloom.

Ideal: Full sun
FAQ
How many hours of sunlight should Macartney Rose have each day to grow healthily?

To ensure healthy growth, it is important for Macartney Rose to receive a minimum of 3-6 hours of sunlight each day. While most plants that can tolerate partial sun can also do well in full sun, Macartney Rose is more adaptable due to its ability to perform photosynthesis with less light. However, plants that require full sun or part shade are less flexible in their light requirements.

What kind of sunlight does Macartney Rose require?

Macartney Rose prefers to be exposed to full or part sun. It thrives with direct morning light, but during summer, it requires some protection from the intense afternoon sun. In moderate climates, excessive hot afternoon sun can cause leaf damage, which affects the plant's overall health and appearance.

Can the sun harm the Macartney Rose plant? How can I keep the Macartney Rose safe from sun and heat damage?

To protect Macartney Rose plants from damage caused by direct sunlight, it is recommended to gradually move them from a shaded area to a brighter spot. However, even plants acclimated to the sun can be harmed by extreme heat. During a heatwave, it is important to keep the soil consistently moist to help the plants tolerate high temperatures. To shield the sensitive Macartney Rose from extreme weather conditions, consider relocating container plants to shaded areas in the afternoon or using a shade cloth.

Should Macartney Rose stay out of the sun?

Macartney Rose benefits from bright morning sun and some full sun exposure, but it cannot tolerate the harsh midday sun of summer. If you plant it in the ground, it can gradually adjust to the increasing intensity of the summer sun. However, if you have a potted plant that has been indoors or in a protected area, it may get damaged if you suddenly expose it to direct summer sun during the hottest part of the day. To protect the plant from the intense afternoon sun, you should either plant it or place it in a location where it is shaded at midday by taller trees and plants, a building, or a landscape feature.

What will happen if the Macartney Rose doesn't get enough sunlight?

If a Macartney Rose doesn't get enough sun, it can turn pale green and have droopy, yellow leaves. It's normal for some leaves to fall off, but if no new leaves are growing back, that's a sign of a problem. If the Macartney Rose manages to grow in low light, the new growth is usually weak, pale, and susceptible to bugs. By noticing these signs and adjusting the lighting, you can make a big improvement for the plant.

🌡️ Temperature 10–35°C

Macartney Rose originates from areas with temperate climates. It prefers temperatures between 50 and 95°F (10 to 35°C), doing best in environments with moderate seasons. For optimal health, it is advisable to raise indoor temperatures in winter and lower them in summer.

Ideal temperature: 10–35°C
FAQ
What is the best temperature for Macartney Rose?

The ideal temperature range for Macartney Rose to thrive is between 65 and 80℉ (18 to 27℃). During the main growing phase, it can tolerate a maximum temperature of 95℉ (35℃) and a minimum temperature of 15℉ (-10℃). This species can withstand freezing winters and is capable of surviving in low temperatures. The recommended temperature ranges are as follows: - Perfect: 65 to 80℉ (18 to 27℃) - Highest: 85 to 95℉ (30 to 35℃) - Lowest: -5 to 15℉ (-20 to -10℃) or lower.

Do I need to change the temperature for Macartney Rose at different stages of growth?

According to research, if the temperature rises for a long time, Macartney Rose will show signs of stunted growth, especially when the axillary buds and main shoots are developing. To promote strong growth after germination or transplanting, it is beneficial to maintain consistent and cooler temperatures around 65℉ (18℃).

How can I make sure Macartney Rose stays warm during cold seasons?

Macartney Rose is a cold-hardy plant that can tolerate freezing temperatures. However, if it is planted in pots or containers, extra care needs to be taken to protect its roots from the winter cold. To do this, you can wrap the container in a blanket or bring it indoors where it will be fully shielded from the elements.

What will happen to Macartney Rose if the temperature is too high/low?

Macartney Rose is at greater risk if the temperature is consistently too high rather than too low. Excessive heat can reduce seed germination and photosynthesis efficiency due to heat stress triggering hormones. This can be observed through wilting, leaf browning, and potential death of the plant. On the other hand, if Macartney Rose gets too cold, it can also face significant harm. Cold temperatures can halt important plant functions like nutrient uptake and photosynthesis, resulting in possible plant death. Even a single freeze event during the growing season can cause a membrane phase transition, leading to a cease in plant functions and ultimately, plant death.

What should I know about temperature for Macartney Rose?

To ensure the health of the Macartney Rose, it is crucial to maintain a consistent soil temperature. This can be achieved by watering regularly, adding mulch to any bare soil areas, and planting the rose in a shaded location. By following these strategies, successful budding, flowering, and new growth can be achieved.

💨 Humidity
Humidity:
🪴 Soil 5-6
Soil pH: 5-6
🌱 Fertilizer

Proper timing is important when fertilizing Macartney Rose. Apply fertilizer in early spring and continue once a month until early summer. Fertilizer encourages attractive blooms and supplies energy during both dormant and active growth periods.

FAQ
Why should I put fertilizer on my Macartney Rose?

Fertilizing a Macartney Rose is important for several reasons. Firstly, it helps the plant produce beautiful blooms. The best time to fertilize is in early spring to ensure excellent flowers during the season. Additionally, fertilizing provides the rose with energy that it can store in the ground during dormant growth phases. Giving extra nutrients during fall planting or late spring will help the rose retain more energy for active growth.

When should I fertilize my Macartney Rose?

To ensure effective fertilization of Macartney Rose, timing is crucial. Applying fertilizer too early while the rose is dormant will be wasteful as it will wash away with rainwater, causing pollution. It is best to start applying fertilizer in early spring and continue this monthly until early summer.

When is it best not to use fertilizer on my Macartney Rose?

To ensure optimal growth and blooming of Macartney Rose, it is important to avoid excessive nitrogen in the fertilizer. High nitrogen levels can result in an abundance of leaves but fewer blooms. Look for a fertilizer with a lower nitrogen content compared to other nutrients. Additionally, it is advisable not to fertilize the plant after early autumn, as this can lead to excessive growth right before winter. Moreover, refrain from fertilizing Macartney Rose during hot and dry periods, as dry soil is not as effective at delivering nutrients as moist soil. Fertilizing during these times may stimulate growth that requires additional water, which might not be readily available. It is best to apply fertilizer earlier in the season when temperatures are cooler. Lastly, bear in mind that Macartney Rose can absorb fertilizer that has been applied to nearby plants or lawns. Exercise caution to avoid inadvertently over-fertilizing the tree/shrub.

What kind of fertilizer should I use for my Macartney Rose?

The ideal fertilizer for a Macartney Rose should have a balanced mix of the three main plant nutrients, with slightly more phosphorus. Another option is to improve the soil by adding organic materials like compost, worm castings, and manure. Experienced gardeners may choose to add water-soluble fertilizers with phosphorus once or twice when the flower buds begin to appear. This will help the flowers grow better, become larger, and bloom for a longer period. Fertilizers can come in various forms, and most of them will work well for your Macartney Rose. However, liquid or powdered fertilizers are considered some of the best options. Regardless of your choice, it is important to dilute the fertilizer and apply it while watering your Macartney Rose.

How can I add nutrients to my Macartney Rose plant?

To successfully fertilize your Macartney Rose, it's important to always follow the directions provided for the specific type of fertilizer. Additionally, taking the time to do some research on how to properly utilize the fertilizer for your specific plant is crucial. Over-fertilizing can harm your Macartney Rose, so it's vital to determine the correct amount to use. An effective rule of thumb is to base the amount of fertilizer on the age of the tree or the diameter of the trunk. Generally, it is recommended to estimate using one-tenth of a pound per year or per inch of trunk, with a maximum of one pound. When applying granular fertilizers or organic options like blood meal, ensure that you sprinkle the substance around the base of the tree, extending all the way to the drip line (which is the area below the farthest-reaching branches). Be cautious not to let the fertilizer come in contact with the trunk. With time, the granules will break down and filter into the soil, allowing the roots to absorb the nutrients. After fertilizing, it's beneficial to spread a one-inch layer of compost around the base of the tree and water thoroughly.

🪴 Pot & Repot
✂️ Pruning

To help your Macartney Rose thrive, start with some early spring pruning. Begin by removing any dead or diseased wood, and then cut back one-third of the oldest canes. This process improves air circulation, prevents overcrowding, and encourages blooming. Be sure to use clean, sharp tools to prevent infection and to shape the plant for balanced growth.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Vine, Shrub
Life Cycle
Perennial
Genus
Rosa
Family
Rosaceae
Hardiness Zone
6-9
Mature Height
2.13 m to 4.88 m
Mature Spread
1.83 m to 2.44 m
Leaf Color
Green
Leaf Type
Semi-evergreen, Deciduous
Flower Color
White
Flower Size
4.57 cm to 6.35 cm
Bloom Time
Summer, Early fall, Mid fall
Planting Time
Spring, Summer, Autumn
Harvest Time
Fall, Early winter, Mid winter
Native Area
Myanmar, Japan, China

Tags (6)

Common Names (1)

en Macartney Rose