Growli

Plant care

Begonia × semperflorens-cultorum 'Dragon Wing Red' (Dragon Wing Red Begonia) care

Begonia × semperflorens-cultorum 'Dragon Wing Red'

Also called Dragon Wing Red Begonia, Angel Wing Begonia Red.

RHS H1cUSDA 10-11Toxic to petsIndoor 30-45 cm tall and 30-40 cm wide in a season

Watering rhythm

3-5days

When the top 2-3 cm of soil is dry, roughly every 3-5 days in containers in summer

Light

Bright indirect light (just back from a sunny window)

Soil

Rich, well-drained potting mix or loamy garden soil

Humidity

40-70%

Temp

15-30°C

Pet safety

Toxic to pets

Mature size

30-45 cm tall and 30-40 cm wide in a season

Care at a glance

Light

Begonia × semperflorens-cultorum 'Dragon Wing Red' is what florists mean by "bright spot, no direct sun" — close enough to a south or east window to feel the brightness, with a sheer curtain or a few feet of distance keeping the sun off the leaves. Part sun to part shade outdoors; tolerates more sun than most begonias if kept watered. Morning sun with afternoon shade is ideal. Indoors give the brightest indirect light available near an east or west window. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water begonia × semperflorens-cultorum 'dragon wing red' when the top 2-3 cm of soil is dry, roughly every 3-5 days in containers in summer. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Keep evenly moist but never waterlogged; the thick stems hold some reserve, so let the surface dry slightly between waterings. Containers and hanging baskets dry fast in heat and may need daily water. Avoid wetting foliage in the evening.

Soil and pot

Begonia × semperflorens-cultorum 'Dragon Wing Red' grows best in rich, well-drained potting mix or loamy garden soil. Use a peat- or coir-based mix with added perlite for drainage and good organic content. Slightly acidic to neutral pH (5.5-6.5). In beds, amend heavy soil with compost to prevent waterlogging that causes root rot. 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

Begonia × semperflorens-cultorum 'Dragon Wing Red' sits happiest at around 40-70% humidity and 15-30°C (59-86°F). Adaptable and tolerates average outdoor humidity well, unlike fussier begonias. Indoors normal household humidity is fine; very dry air can crisp leaf edges but it rarely suffers. Good airflow helps prevent powdery mildew. If you keep the room above 15 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 begonia × semperflorens-cultorum 'dragon wing red' sparingly. Feed every 2 weeks during active growth with a balanced water-soluble fertiliser at half strength, or use a slow-release granular at planting. Ease off in autumn as growth slows. Over-feeding produces lush leaves at the expense of flowers. 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 begonia × semperflorens-cultorum 'dragon wing red' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Powdery mildewWhite dusty patches on leaves in crowded, damp, low-airflow conditions. Improve spacing and ventilation, avoid overhead evening watering, and remove affected leaves.
  • Root rotSoggy soil from overwatering or poor drainage causes mushy stems and wilting. Use a free-draining mix and let the surface dry between waterings.
  • Leaf scorchSudden exposure to harsh midday sun bleaches or browns leaves. Acclimatise gradually and provide afternoon shade in hot climates.
  • Botrytis (grey mould)Fuzzy grey mould on spent flowers and leaves in cool, wet, stagnant air. Remove debris promptly and increase airflow.

Propagation

Easiest from stem tip cuttings taken in spring or summer; root in moist mix or water in a few weeks. Cuttings overwinter well as houseplants. Seed is slow and the F1 hybrid does not come true, so cuttings are preferred. 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

Begonia × semperflorens-cultorum 'Dragon Wing Red' is toxic to pets. ASPCA lists Begonia as toxic to cats, dogs, and horses. The toxic principle is soluble calcium oxalates, most concentrated in the tubers and roots. Signs include oral irritation, intense salivation, and vomiting; large ingestions risk kidney damage in grazing animals. Keep away from pets. 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.

Begonia × semperflorens-cultorum 'Dragon Wing Red' care — frequently asked questions

What is the common name for Begonia × semperflorens-cultorum 'Dragon Wing Red'?

Begonia × semperflorens-cultorum 'Dragon Wing Red' is most commonly called Begonia × semperflorens-cultorum 'Dragon Wing Red', but it is also known as Dragon Wing Red Begonia, Angel Wing Begonia Red. The names refer to the same species, so care instructions for Begonia × semperflorens-cultorum 'Dragon Wing Red' apply identically to anything sold as Dragon Wing Red Begonia.

How much light does begonia × semperflorens-cultorum 'dragon wing red' need?

Begonia × semperflorens-cultorum 'Dragon Wing Red' grows best in bright indirect light (just back from a sunny window). Part sun to part shade outdoors; tolerates more sun than most begonias if kept watered. Morning sun with afternoon shade is ideal. Indoors give the brightest indirect light available near an east or west window.

How often should I water begonia × semperflorens-cultorum 'dragon wing red'?

Water begonia × semperflorens-cultorum 'dragon wing red' when the top 2-3 cm of soil is dry, roughly every 3-5 days in containers in summer. Keep evenly moist but never waterlogged; the thick stems hold some reserve, so let the surface dry slightly between waterings. Containers and hanging baskets dry fast in heat and may need daily water. Avoid wetting foliage in the evening. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is begonia × semperflorens-cultorum 'dragon wing red' toxic to cats and dogs?

Begonia × semperflorens-cultorum 'Dragon Wing Red' is toxic to pets. ASPCA lists Begonia as toxic to cats, dogs, and horses. The toxic principle is soluble calcium oxalates, most concentrated in the tubers and roots. Signs include oral irritation, intense salivation, and vomiting; large ingestions risk kidney damage in grazing animals. Keep away from pets.

What USDA hardiness zone does begonia × semperflorens-cultorum 'dragon wing red' grow in?

Begonia × semperflorens-cultorum 'Dragon Wing Red' is rated for USDA zone 10-11 (grown as an annual in most zones) and RHS hardiness H1c. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Begonia × semperflorens-cultorum 'Dragon Wing Red' deep-dive guides

Every aspect of begonia × semperflorens-cultorum 'dragon wing red' care, each with its own calibrated guide:

Featured in these plant shortlists

Begonia × semperflorens-cultorum 'Dragon Wing Red' qualifies for 5 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Begonia × semperflorens-cultorum 'Dragon Wing Red' is also commonly called Dragon Wing Red Begonia or Angel Wing Begonia Red.