Brugmansia sanguinea, commonly known as the Scarlet Angel's Trumpet, is a flowering plant native to the Andes Mountains in South America. As a member of the Solanaceae family, it can grow up to 10 feet tall. The plant is renowned for its large, trumpet-shaped flowers, which are bright red or orange-red and emit a strong fragrance that becomes more intense at night.
The leaves of Brugmansia sanguinea are dark green and can reach lengths of up to 10 inches. The plant thrives in moist soil and partial shade but can also tolerate full sun in cooler climates.
For centuries, indigenous people have used Brugmansia sanguinea for medicinal purposes. The plant contains alkaloids that have been employed as painkillers, sedatives, and hallucinogens.
However, it is important to note that all parts of Brugmansia sanguinea are toxic if ingested and should be handled with care. Despite its toxicity, the plant is widely cultivated as an ornamental due to its stunning flowers.
In summary, Brugmansia sanguinea is an impressive flowering plant with beautiful blooms, but it requires careful handling due to its toxic nature.
Red angel's trumpet is disease-resistant and usually not susceptible to illnesses. Regarding care, this plant is fairly low-maintenance. When grown outdoors it needs little watering, and larger specimens typically do not require pruning. Smaller plants, however, should be pruned after they finish blooming. Red angel's trumpet is well suited for anyone with an outdoor area, such as a garden or deck, and does not demand extensive care experience.
How to keep Brugmansia Sanguinea.
Light
The red angel's trumpet does best with ample sunlight, which is necessary for healthy development. Although its native environment is usually bright and sunlit, it can tolerate lower light levels. Excessive sun can cause sunscald, and insufficient light inhibits growth; therefore, it prefers steady but moderate sun exposure.
Water
The Red Angel's Trumpet is a plant native to the highlands of South America. It thrives in environments with consistent moisture and good drainage. To keep it healthy, water it weekly and provide it with cooler outdoor conditions, where it can benefit from natural rainfall. The plant's growth cycle is adapted to the availability of water, allowing it to efficiently use seasonal rains.
Humidity
This plant will thrive in moderate humidity, which is probably the level in your home. However, misting it a few times a week can be very beneficial. Make sure the room has good ventilation.
Temperature
Red angel's trumpet is native to temperate regions, favoring temperatures of 68 to 100 °F (20 to 38 °C). In colder seasons, it is advisable to adjust temperatures to replicate its native environment.
Fertilizer
The best time to fertilize a red angel's trumpet is in early spring, as it breaks dormancy. This encourages overall growth and flower development. Fertilizing improves the foliage, stems, and branches and supports flowers that are large, bright, and long-lasting. It helps move nutrients from the roots to the flowers and enhances the plant's health and resistance to disease.
Pruning
To ensure the red angel's trumpet thrives, it is important to regularly prune it in late spring. This helps maintain its shape and promotes healthy growth. Start by removing any dead or damaged branches to improve airflow and prevent diseases. You can also lightly trim older stems to encourage new growth, which will enhance flowering and overall vigor. Be sure to use clean, sharp tools to prevent infections.
Pot & Repot
Repot your red angel's trumpet every 2 to 3 years during spring to encourage rapid growth and refresh the soil's nutrients. Choose a large container to accommodate its roots and place the plant in bright, indirect light. Water it consistently to keep the soil moist. For the best results, use a rich, well-draining soil that will support its striking, trumpet-shaped blooms.
Botanical profile.
- Plant Type
- Shrub
- Life Cycle
- Perennial
- Genus
- Brugmansia
- Family
- Solanaceae
- Hardiness Zone
- 9-11
- Mature Height
- 1.83 m
- Mature Spread
- 1.22 m
- Leaf Color
- Green
- Leaf Type
- Evergreen, Semi-evergreen
- Flower Color
- Red, Orange
- Flower Size
- 15.24 cm to 20.32 cm
- Bloom Time
- Late spring, Summer, Fall
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Fall, Early winter, Mid winter
- Native Area
- Colombia, Bolivia, Peru, Ecuador, Costa Rica
Other names.
Reader questions.
How should I water my Red angel's trumpet plant?
Watering your Red angel's trumpet is a flexible task. You can use common watering tools like watering cans, hoses, or even cups to moisten the plant's soil. Regardless of the tool you choose, it's important to water directly onto the soil, ensuring all areas receive equal moisture. Filtering the water is helpful to remove harmful particles, as tap water can contain them. Using water that is at or slightly above room temperature is ideal, as extremes can shock the plant. However, the Red angel's trumpet generally responds well to any kind of water.
Why should I fertilize my Red angel's trumpet plant?
Fertilization is crucial for the overall health and well-being of a Red angel's trumpet. By supplying the proper energy and nutrients, your plant will develop lush foliage and strong stems and branches. Additionally, fertilization plays a significant role in the formation of beautiful flowers, which are highly prized by gardeners. The right fertilizer facilitates the transfer of nutrients from the roots to the flowers, resulting in larger, brighter, and longer-lasting blooms. Furthermore, proper fertilization supports the plant's overall health, enabling it to resist diseases more effectively.
What are the sunlight requirements for the Red angel's trumpet?
The Red angel's trumpet requires full sun, which means it thrives best with above 6 hours of sunlight, but it can also grow in partial sun, with about 3-6 hours of sunlight. It's vital to watch how sunlight moves through your garden to ensure the plants get a perfect balance of light and shade, which is crucial for their health. This plant is accustomed to extensive sun exposure in its native habitat, although it can tolerate some shade. Too much sun could lead to sunscald, while too little may stunt its growth, so moderate yet prolonged sun exposure is optimal.
What are the ideal temperature conditions for growing Red angel's trumpet?
Red angel's trumpet thrives in temperate regions, with optimal temperature ranges between 68 to 100 °F (20 to 38 °C). It is a heat-loving plant that can be negatively affected by cold temperatures. In the autumn, it's advisable to bring outdoor-grown plants indoors, placing them near a bright window while avoiding direct heat sources to maintain a suitable temperature above its minimum growth threshold. During winter, keeping the temperature above the plant's tolerable growing temperature minimum is crucial for its health.
What should I do if I give my Red angel's trumpet plant too much or too little water?
Outdoor plants, especially newly planted ones or seedlings, can be at risk of not being watered enough. It's important to continue watering them adequately for a few months while they are still small or newly planted. Once the roots are established, Red angel's trumpet plants can usually rely on rain for moisture. When Red angel's trumpet is planted in pots, overwatering is more likely. If you accidentally overwater your plant, take immediate action to resolve the situation. First, stop watering the plant right away to minimize the impact of overwatering. Then, remove the plant from its pot and inspect the roots. If there is no root rot, you can return the plant to its pot. However, if you find signs of root rot, trim away the affected roots and consider applying a fungicide. Finally, repot the plant in well-draining soil. On the other hand, underwatering is a common issue that can be easily resolved. If you notice drooping, drying, or falling leaves, simply water the plant more frequently. Adjust your watering frequency as soon as you notice the signs of underwatering.
When should I fertilize my Red angel's trumpet for the best results?
To keep your Red angel's trumpet healthy and promote its growth and blooming, it's best to fertilize it during the early spring after its dormant phase. This will provide the plant with the necessary energy for its overall development. However, a second feeding during the fall months can also be beneficial, although it doesn't need to be as large as the first one. Some gardeners choose to fertilize the plant during planting, but it's not always necessary.
What are some essential care tips for Red angel's trumpet regarding sunlight?
For indoor Red angel's trumpet plants, adequate lighting is essential for optimal growth. When natural sunlight is not sufficient, especially in winter or in less sunny spaces, artificial lighting serves as an important solution. The right type of artificial light, like LED lights, should be chosen as they can be tailored to provide the wavelengths needed by the plants. Full sun plants require 30-50W/sq ft of artificial light, partial sun plants need 20-30W/sq ft, and full shade plants need 10-20W/sq ft. The artificial light source should be placed 12-36 inches above the plant, mimicking natural sunlight's distance, and provided for 8-12 hours per day depending on the plant species' needs.
How should I care for Red angel's trumpet in cold temperatures?
If exposed to temperatures below its growth limit, the leaves of the Red angel's trumpet may change color and the plant may suffer from wilting or drooping due to frost damage. The recommendation for cold protection includes trimming off the frost-damaged parts and moving the plant indoors to a warm environment. It's best to place the plant near a south-facing window for ample sunlight while avoiding proximity to heaters or air conditioning vents, preventing air dryness.
How much water should I give my Red angel's trumpet plant?
When it comes to growing plants outdoors, they usually rely on natural rainfall. However, if you live in an area with limited rainfall, it's important to make sure your plants get enough water. During the spring and fall, watering every 2 weeks should be sufficient. In the summer, when plants need more water, you'll need to water them more frequently. In winter, when plants grow slower and need less water, you can water them less often or not at all. If you have a young or newly planted Red angel's trumpet, it's important to water it more frequently to help it establish and become more adaptable to drought. For potted plants, there are two main ways to determine how often to water your Red angel's trumpet. The first is to set a schedule, such as once a week or once every other week. However, this may not always be effective as it doesn't consider the specific conditions of your plant's environment. The other option is to check the moisture level of the soil. It's generally best to wait until the top two to four inches of soil have completely dried out before watering again.
When is it not a good idea to add fertilizer to my Red angel's trumpet plant?
During winter, Red angel's trumpet goes into a dormant phase and does not require fertilization like many other plants. Fertilizing during this time increases the risk of overfertilization. The best time to feed the plant is in early spring and fall. Fertilization is not necessary during most of spring and summer. It is also advisable to avoid fertilizing if the plant is exposed to extreme hot or dry conditions.
What are the symptoms of insufficient light in Red angel's trumpet?
When the Red angel's trumpet doesn't get enough light, especially indoors during winter, it shows several symptoms of light deficiency. These include smaller new leaves compared to mature ones, leggy or sparse growth with elongated spaces between leaves or stems, faster leaf drop as the plant tries to conserve resources, delayed or halted growth, lighter-colored or irregularly patterned new leaves indicating a lack of chlorophyll and nutrients, chlorosis or the loss of green color and yellowing of leaves, sunscald with damaged leaf or stem tissues from intense light exposure, leaf curling as a defense against excessive sunlight to reduce water loss, wilting due to water loss and decreased turgor pressure, and leaf scorching characterized by brown, dry edges on leaves from too much sunlight.
What are the symptoms of and solutions for high temperature exposure in Red angel's trumpet?
Red angel's trumpet should ideally be kept below its maximum suitable growth temperature during summer. Exceeding the tolerable maximum temperature can lead to lighter leaf coloration and increased susceptibility to sunburn. To alleviate these symptoms, it's advised to trim away any sunburned or dried-up parts of the plant. Moving the plant to a shaded location during intense midday and afternoon sun exposure and ensuring the soil remains moist with morning and evening watering are effective solutions.