Angel's Trumpet
Brugmansia Arborea
Brugmansia arborea, commonly known as Angel's Trumpet, is renowned for its stunning trumpet-shaped flowers and intoxicating fragrance. Native to South America, this plant adds dramatic flair to gardens and patios, attracting pollinators and delighting gardeners with its beauty.
Everything it needs
9 essentials at a glance
Watering
Brugmansia arborea prefers consistently moist soil, requiring watering every 2-3 days during the growing season.
In cooler months, reduce watering to once a week. Ensure the top inch of soil dries out between waterings to prevent root rot. Signs of over-watering include yellowing leaves and wilting, while under-watering may cause leaf drop and wilting.
Light
This plant thrives in full sun, requiring at least 6-8 hours of direct sunlight daily.
Ideal placement includes a south or west-facing garden bed or patio. Brugmansia can tolerate partial shade but may produce fewer flowers in lower light conditions.
Soil
Brugmansia prefers well-draining, loamy soil with a pH range of 6.0 to 7.0.
A recommended potting mix includes equal parts peat moss, perlite, and compost to ensure good drainage while retaining moisture.
Humidity
This plant enjoys high humidity levels, ideally between 50-70%.
To increase humidity, mist the leaves regularly or place a humidity tray filled with water and pebbles beneath the pot. Signs of humidity stress include browning leaf tips and wilting.
Temperature
Brugmansia thrives in temperatures between 60-80°F (15-27°C) and is hardy in zones 9-11.
It can tolerate brief periods of heat but should be protected from frost, as temperatures below 32°F (0°C) can damage the plant.
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10 or 20-20-20 every 4-6 weeks during the growing season.
In fall, reduce fertilization frequency as the plant enters dormancy. Signs of nutrient deficiency include yellowing leaves (nitrogen), poor flowering (phosphorus), and stunted growth (potassium).
Pruning
Prune Brugmansia in late winter or early spring to shape the plant and remove any dead or damaged branches.
Use sharp, clean pruning shears and cut back about one-third of the plant's height. Deadheading spent flowers encourages more blooms throughout the season.
Repotting
Repot Brugmansia every 1-2 years or when the roots become pot-bound.
Choose a pot that is 2-4 inches larger in diameter than the current one. Signs it needs repotting include roots growing out of the drainage holes and stunted growth. To repot, gently remove the plant from its pot, loosen the roots, and place it in fresh potting mix.
Propagation
Propagation can be achieved through stem cuttings or seeds.
For stem cuttings, take 6-8 inch cuttings from healthy plants in spring or summer, remove the lower leaves, and place them in a moist potting mix. Keep the cuttings in a warm, humid environment until roots develop, which may take 4-6 weeks. Seed propagation is done by planting seeds in a seed-starting mix in early spring.
When it's unhappy
Yellow leaves
Why it happens
Typically caused by over-watering or nutrient deficiency.
How to fix it
Adjust watering schedule and check soil drainage. Fertilize with a balanced fertilizer if nutrient deficiency is suspected.
Wilting
Why it happens
Can result from either over-watering or under-watering.
How to fix it
Check soil moisture; if too wet, reduce watering frequency, if too dry, water thoroughly.
Browning leaf tips
Why it happens
Often a sign of low humidity or over-fertilization.
How to fix it
Increase humidity around the plant and reduce fertilizer application.
Poor flowering
Why it happens
Insufficient light or nutrient imbalance.
How to fix it
Ensure the plant receives full sun and consider adjusting fertilization to include higher phosphorus.
Root rot
Why it happens
Caused by over-watering and poor drainage.
How to fix it
Allow the soil to dry out and improve drainage; consider repotting if necessary.
Care through the year
Spring
In spring, begin regular watering and fertilizing as the plant comes out of dormancy. Prune any dead or damaged branches to encourage new growth.
Summer
During summer, ensure the plant receives full sun and maintain consistent moisture. Monitor for pests and diseases, and deadhead spent flowers to promote blooming.
Fall
As temperatures begin to drop in fall, reduce watering and fertilization. Prepare the plant for dormancy by cutting back on care and protecting it from frost.
Winter
In winter, keep Brugmansia in a cool, dry location if temperatures drop below 32°F (0°C). Water sparingly, only when the soil is dry, to prevent root rot.
Toxicity & Safety
Brugmansia is highly toxic to pets and humans. All parts of the plant contain alkaloids that can cause severe symptoms if ingested, including hallucinations, vomiting, and respiratory distress. Keep it out of reach of children and pets.
Good to know
Why are my Brugmansia leaves turning yellow?
Yellow leaves on Brugmansia can indicate over-watering or a nutrient deficiency. Check the soil moisture and adjust your watering schedule accordingly.
How often should I water my Brugmansia?
Water your Brugmansia every 2-3 days during the growing season, allowing the top inch of soil to dry out between waterings.
What is the best fertilizer for Brugmansia?
A balanced fertilizer with an NPK ratio of 10-10-10 or 20-20-20 is ideal. Fertilize every 4-6 weeks during the growing season.
How do I propagate Brugmansia?
You can propagate Brugmansia through stem cuttings or seeds. For cuttings, take healthy stems in spring or summer and root them in moist potting mix.
Why is my Brugmansia wilting?
Wilting can be caused by either over-watering or under-watering. Check the soil moisture to determine the cause and adjust your watering accordingly.
When should I prune my Brugmansia?
Prune Brugmansia in late winter or early spring to shape the plant and remove any dead or damaged branches.
Is Brugmansia toxic to pets?
Yes, Brugmansia is highly toxic to pets and humans. All parts of the plant contain harmful alkaloids that can cause severe symptoms if ingested.
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