Description
Brugmansia sanguinea is a striking ornamental shrub or small tree native to the Andean regions of South America, admired for its dramatic, pendulous trumpet-shaped flowers in vivid shades of red, orange, and yellow. Unlike many other Brugmansia species, its blooms are typically unscented but compensate with intense coloration and a bold visual presence. Plants can reach 2 to 4 meters in height under suitable conditions, forming a branching, woody structure with large, soft green leaves that enhance its lush, tropical appearance.
This species is particularly adapted to cooler, high-altitude climates and tends to perform best in mild temperatures, where it can flower prolifically. It prefers partial shade to filtered sunlight, especially in warmer regions, and thrives in rich, well-drained soil with consistent moisture. Excessive heat may reduce flowering, making it more suitable for temperate or subtropical environments rather than hot lowland tropics.
Sow seeds on the surface of a moist, well-draining substrate and lightly cover with a thin layer of soil or vermiculite. Maintain temperatures between 18°C and 24°C for optimal germination, which may be slow and irregular, typically taking 2 to 6 weeks or longer. Keep the substrate consistently moist but not waterlogged. Seedlings should be grown in bright, indirect light and protected from strong sun until well established. Transplant once plants are large enough to handle and environmental conditions are stable.
Germination Guide
🌍 Andes mountains of Colombia, Ecuador, Peru, Bolivia, and northern Chile (2000-3000m elevation)
Easy
Brugmansia sanguinea, commonly known as Red Angel's Trumpet, is a toxic semi-evergreen shrub from the Andes mountains native to Colombia, Ecuador, Peru, Bolivia and northern Chile. The species is easily propagated from seeds, which benefit from warm temperatures and light to germinate. All parts of this plant are highly poisonous and should not be ingested.
Germination
Germination time
Expect germination in
14 – 60 days
Temperature
Min 15°C
Ideal 20°C
Max 27°C
Substrate moisture
💧💧 High
Sowing depth
Lightly covered
Seed Pre-treatment
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💧
Soaking — 24 hours
Soak in room temperature or warm water for 24 hours after hot water treatment to further soften seed coat
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🔨
Hot water scarification
Soak seeds in hot water (not boiling) for 24 hours to soften seed coat and improve germination
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📋
Additional notes
Remove corky seed coat by peeling or rubbing with sandpaper before soaking. Optionally treat with 10% bleach solution for 10 minutes to prevent fungal issues
Substrate & Container
Recommended substrate
well-draining seed starting mix with peat moss and perlite (or peat and vermiculite)
Recommended container
small pots (4-6 inches) or seed trays with drainage holes
Growing Tips
Use a transparent dome or plastic cover to maintain humidity and speed germination. Press seeds firmly into soil surface but do not bury them - light is essential for germination. Keep soil consistently moist but never waterlogged to prevent damping off disease. Provide bottom heat (heat mat) maintaining 20-27°C for best results. Mist regularly rather than water heavily. Remove cork covering before planting if possible. Transplant seedlings when they have 2 pairs of true leaves into individual containers. Avoid direct sunlight for 2-3 days after transplanting. Start feeding at half strength after 2 weeks. This species prefers cooler temperatures and may not flower if temperatures consistently exceed 23°C.
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