Red Angel's Trumpet (Floripondio) care

Light

Aim for at least 4-6 hours of direct sun on the leaves. Thrives in full sun to partial shade. Unlike other Brugmansia species, B. sanguinea originates from cool, cloudy Andean cloud forests and actually performs better with light afternoon shade in hot climates. In cooler temperate regions, give it the sunniest spot available. If your only bright window faces south, that's perfect for red angel's trumpet — same window any aroid would fry on.

Watering

Watering red angel's trumpet: every 3–5 days (keep evenly moist; allow top 2 cm to dry). The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Prefers consistently moist but never waterlogged soil. In its cool native habitat rainfall is regular; replicate this with regular watering in warm weather. Reduce in winter. Container plants dry out faster than ground-planted specimens.

Soil and pot

Red Angel's Trumpet grows best in rich, humus-rich, moisture-retentive loam. Fertile loam enriched with well-rotted compost suits this species. Excellent drainage is still required to prevent root rot — incorporate perlite or coarse grit. Slightly acidic pH (6.0–6.5) is preferred, reflecting its high-altitude Andean origin. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Red Angel's Trumpet sits happiest at around 55–75% humidity and 5–22°C (41–72°F). As a cloud-forest native, B. sanguinea appreciates moderate to high humidity. It is better suited to temperate UK conditions than many Brugmansias. In dry climates, position near a water feature or use a pebble tray when grown in pots. If you keep the room above 5–22°C year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed red angel's trumpet sparingly. Feed every 2 weeks during the growing season with a balanced liquid fertiliser, then switch to a high-potassium formula as flower buds form. This cooler-growing species benefits from slightly lower nitrogen than tropical Brugmansias. Cease feeding in autumn and winter. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on red angel's trumpet in the Growli community. Each is annotated with the most common cause so you know where to start.

• Heat stress and wilting — Unlike tropical Brugmansias, B. sanguinea struggles in prolonged temperatures above 25°C — move container plants to a cooler, partially shaded position during summer heat waves.
• Aphid colonies on new growth — Soft new shoots are targeted by aphids; knock them off with a strong jet of water or apply insecticidal soap, taking care not to inhale or ingest the plant sap while treating.
• Leaf yellowing (chlorosis) — Often caused by iron or magnesium deficiency in alkaline soils; acidify with sulphur chips or use an ericaceous liquid feed to correct micronutrient uptake.

Propagation

Root 15–20 cm tip cuttings in early summer in a moist, gritty compost/perlite mix at 18–22°C (cooler than other Brugmansias). Cuttings root in 4–8 weeks. Seed can be used but germination is slow and erratic; soak seed for 24 hours before sowing at 18°C. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Red Angel's Trumpet is toxic to pets. SEVERELY TOXIC. All parts of Brugmansia sanguinea contain tropane alkaloids — scopolamine, atropine, and hyoscyamine — which are dangerously toxic to dogs, cats, horses, and humans. ASPCA lists Brugmansia species as toxic. Symptoms of ingestion include rapid heart rate, disorientation, seizures, and respiratory failure. Handle with gloves; wash hands thoroughly after contact. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Red Angel's Trumpet deep-dive guides

Every aspect of red angel's trumpet care, each with its own calibrated guide:

• Red Angel's Trumpet watering schedule
• Red Angel's Trumpet light requirements
• Best soil mix for red angel's trumpet
• Red Angel's Trumpet fertilizing guide
• When to repot red angel's trumpet
• How to propagate red angel's trumpet
• Red Angel's Trumpet growth rate & size
• Red Angel's Trumpet cold hardiness
• Red Angel's Trumpet temperature & humidity
• Is red angel's trumpet toxic to cats & dogs?
• Is red angel's trumpet toxic to cats?
• Is red angel's trumpet toxic to dogs?
• Getting red angel's trumpet to bloom

Featured in these plant shortlists

Red Angel's Trumpet qualifies for 5 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
• Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
• Houseplants toxic to cats & dogs — The common houseplants the ASPCA lists as toxic to cats and dogs — the ones to keep out of reach, each with its symptoms and a safe alternative.
• Best houseplants for full sun — Houseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
• Best houseplants for a cool room — Houseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Red Angel's Trumpet is also known as Red Angel's Trumpet, Blood-red Angel's Trumpet, and Floripondio.

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