# Wax begonia (Begonia × semperflorens-cultorum)

Canonical: https://plantguide.ae/plants/begonia · Updated: 2026-10-29
Source: Plant Guide (https://plantguide.ae/plants/begonia)

Wax begonia · بغونية  
flower · exotic · family Begoniaceae · grows 0.15–0.3 m tall, 0.15–0.3 m wide · moderate growth  
part shade · moderate water need  
Ratings for Dubai (1–5, 5 is best): heat 2 · salt 2 · drought 2 · shade 4 · ease of care 3  
Sow or plant: Oct–Feb  
Uses: bedding, container  
Garden styles: manicured, luxury

## Also known as

- **English:** Bedding begonia, Begonia, Clubbed begonia, Semperflorens begonia
- **Botanical synonyms:** *Begonia semperflorens*, *Begonia cucullata*, *Begonia × carrierei*, *Begonia Semperflorens Cultorum Group*
- **Arabic (العربية):** بغونية
- **Hindi (हिन्दी):** बीगोनिया (Begonia)
- **Urdu (اردو):** بیگونیا (Begonia)
- **Malayalam (മലയാളം):** ബിഗോനിയ (Begonia)
- **Tamil (தமிழ்):** பிகோனியா (Begonia)
- **Tagalog:** Bigonya
- **Persian (فارسی):** بگونیا (begonia)

The glossy, small-flowered bedding begonia for shade and part shade: plant in the cool months, keep the soil moist but never wet, and treat it as a cool-season plant. Toxic to pets, so keep it out of reach.

## About

Meet the wax begonia, the bedding plant with the glossy, rounded leaves and a never-ending supply of small pink, red or white flowers. Its leaves are either fresh green or deep bronze, and the flowers sit just above them in tight, tidy clusters.

It is the shade gardener's bedding flower, which matters in a city of tall walls and covered terraces. RHS says it grows best in partial shade, and UF/IFAS says wax begonias thrive in sun or shade. Abu Dhabi emirate's Al Ain municipality lists begonia among the flowers it plants through the year.

In Dubai it needs a little more thought than petunia or geranium. We found no Dubai source that gives a planting window for it, so this page follows the cool season used for other Dubai bedding flowers and UF/IFAS's advice that in South Florida wax begonias can be planted in the fall as cool-season annuals.

Wax begonias, the Semperflorens group of Begonia, are fibrous-rooted, tender perennials grown as annuals (RHS). UF/IFAS says they are the most popular begonias for landscape beds, with single or double flowers in red, pink and white over green or bronze foliage, that they thrive in sun or shade and suit landscape beds and containers, and that they are tender to cold. The plants stay low, 15–30 cm tall (RHS gives up to 50 cm).

Light and water are the two things that matter. RHS grows them in partial shade, in fertile, moist but well-drained soil; UF/IFAS says to look for a spot with several hours of morning sun, and that many begonias tolerate more sun if they are kept moist but not too wet. Both say drainage matters: UF/IFAS warns that begonias rot if they are overwatered or planted where the soil stays wet, and lists Pythium root rot and crown rot among the diseases. Dubai's sand drains freely, so the work is to keep it moist enough and to add compost for nutrients, since RHS recommends a neutral to slightly acid soil and a Dubai landscaping guide links yellow leaves with green veins to iron deficiency in alkaline soil.

The season is the open question. Al Ain's municipality lists begonia among its varieties without giving a season, and no Dubai source gives a planting date. UF/IFAS describes wax begonias as tender, warmth-loving plants that can be planted in fall as cool-season annuals in South Florida, but Dubai's mean maximum reaches 38.2 °C in May and 41.9 °C in August, so Florida experience does not carry over and a Dubai wax begonia is realistically a cool-season plant, in shade, from October to about April.

## Through the year

The Dubai wax begonia's year is shaped by shade and cool weather rather than by any local calendar. Plant from October to February in a spot with morning sun and shade from the midday and afternoon heat, keep the soil moist but not wet, and feed lightly. The plants flower through the cool months, when Dubai's mean highs are 24–31 °C. As April's mean maximum reaches 33.7 °C and May's 38.2 °C, the safest course is to treat it as a cool-season plant and replace it with heat-tolerant bedding such as [Vinca](https://plantguide.ae/plants/vinca.md) or [Portulaca](https://plantguide.ae/plants/portulaca.md). A pot in deep, reliable shade may last longer, but we found no source confirming it.

| When | What | Note |
| --- | --- | --- |
| Oct–Feb | Plant: Cool-season planting window | No Dubai source gives a window. UF/IFAS says wax begonias can be planted in fall as cool-season annuals in South Florida; we use Dubai's cool season. Choose a shaded or part-shaded spot. |
| Nov–Apr | Flowers: Flowers through the cool months | RHS and UF/IFAS describe long-flowering plants; an occasional light trim stimulates new growth and flowers (UF/IFAS). |
| Nov–Mar | Feed: Light, regular feeding | UF/IFAS advises a controlled-release fertiliser several times a year. |
| Dec–Feb | Pest watch: Mites, whitefly and leaf diseases | UF/IFAS lists mites, mealybugs, whiteflies, bacterial leaf spot, powdery mildew, botrytis and root rots; RHS lists grey mould and stem rot. |
| May–Jun | Heat stress: Clear before the summer heat | Dubai's mean maximum reaches 38.2 °C in May. We found no source for a wax begonia surviving a Dubai summer outdoors. |

## Care in Dubai

- **Watering in summer:** Not grown outdoors through summer; clear it in April or May.
- **Watering in winter:** Keep the soil moist but not wet. UF/IFAS says begonias rot if overwatered or planted where soil stays wet, so check the soil before watering and water in the morning.
- **While establishing:** Keep evenly moist for the first two weeks, with shade from the afternoon sun.
- **Soil:** Fertile, moist, well-drained soil (RHS). Mix compost into Dubai's sand for nutrients, or use a potting mix in pots.
- **Feeding:** UF/IFAS advises a controlled-release fertiliser several times a year; in sandy soil add a light balanced liquid feed every three to four weeks while in flower.
- **Pruning:** Cut back leggy plants and trim occasionally to stimulate new growth and more flowers (UF/IFAS).
- **Planting:** Plant as soon as possible after purchase (UF/IFAS) in a spot with morning sun and midday shade, from October to February, spaced so the plants just touch when grown.
- **Pests and problems:** Mites; Mealybugs; Whiteflies; Slugs and snails; Powdery mildew; Root and crown rots
- **Toxicity:** The ASPCA lists begonia (Begonia spp.) as toxic to dogs, cats and horses, giving soluble calcium oxalates as the toxic principle, with vomiting and salivation in dogs and cats and kidney failure in grazing animals, and noting that the most toxic part is underground. RHS advises wearing gloves and says ornamental bulbs are not to be eaten. Keep pots out of reach of pets and children.

## Good and bad

**Pros**
- Thrives in sun or shade, and prefers partial shade (UF/IFAS, RHS)
- Neat, glossy leaves in green or bronze, with a constant supply of small flowers
- Suits beds, borders and pots, singly or mixed with other annuals
- Cut back when leggy, and an occasional light trim brings new growth and flowers (UF/IFAS)
- A flower for the shaded corners where most bedding fails

**Cons**
- Toxic to dogs, cats and horses (ASPCA)
- No Dubai source gives a planting window, and it will not survive a Dubai summer
- Rots if overwatered or planted where the soil stays wet
- Prefers neutral to slightly acid soil (RHS), unlike Dubai's alkaline sand

## Common mistakes

- Planting in full afternoon sun in an exposed bed. RHS grows it in partial shade, and UF/IFAS asks for several hours of morning sun.
- Watering on a schedule instead of checking the soil. UF/IFAS says begonias rot if overwatered or planted where the soil stays wet.
- Leaving it outdoors through the summer. Dubai's mean maximum is 38.2 °C in May and 41.9 °C in August; clear it by about April.
- Ignoring yellow leaves with green veins. A Dubai landscaping guide links this to iron deficiency in alkaline soil, and RHS recommends a neutral to slightly acid soil.
- Leaving pots where pets can reach them. The ASPCA lists begonias as toxic to dogs, cats and horses.

## Good to know

- The name 'begonia' covers more than 1,800 species and hybrids (UF/IFAS); the polka-dot begonia (Begonia maculata) that Plantsworld sells as an indoor plant is a different plant from this outdoor bedding type.
- Kew's checklist (WCVP) places Begonia semperflorens within Begonia cucullata, which is why you may see either name on labels. RHS lists Begonia × carrierei and Begonia × semperflorens-cultorum as synonyms for the group.
- UF/IFAS says wax begonias are considered annuals but can survive in the Florida landscape for several years; that is not a Dubai experience, where summer heat is far greater.
- RHS gives the common names bedding begonia and wax begonia for this group.

## Using it in a garden

Roles: Shade bedding, Container colour, Edging, Foliage and flower mix

Use wax begonias where other bedding struggles: the east side of a villa, under a tree, along a covered terrace or in a pot beside a shaded door. Give them morning sun and shade from midday on, in compost-enriched, free-draining soil, within easy reach of a hose or drip line. Bronze-leaved forms with red or white flowers suit a formal edge, and green-leaved forms with pink flowers soften a shaded border. Keep pots out of the reach of pets, because the ASPCA lists begonias as toxic.

- [Sweet alyssum](https://plantguide.ae/plants/sweet-alyssum.md): A low alyssum carpet at the front of a shaded begonia bed adds scent and a pale edge, with the same cool-season calendar.
- [Pansy](https://plantguide.ae/plants/pansy.md): Pansies also accept shade or part shade, and both are cool-season plants with similar water needs.
- [Impatiens](https://plantguide.ae/plants/impatiens.md): Impatiens is the other classic shade bedding flower and shares the moist, well-drained, part-shade requirements.

## FAQ

**When should I plant wax begonias in Dubai?**  
In the cool season, from October to February. We found no Dubai source that gives a specific window: UF/IFAS says wax begonias can be planted in fall as cool-season annuals in South Florida, and we follow Dubai's cool season. Choose a shaded or part-shaded spot.

**Can wax begonias take full sun in Dubai?**  
RHS grows them in partial shade, and UF/IFAS says many begonias tolerate more sun if they are kept moist but not too wet. In Dubai, give them morning sun and shade from the midday and afternoon heat.

**Will wax begonias survive a Dubai summer?**  
We found no source confirming it. UF/IFAS says they can survive several years in Florida, but Dubai's summer highs reach 41.9 °C in August. Treat them as a cool-season plant.

**Are begonias safe for pets?**  
No. The ASPCA lists begonia as toxic to dogs, cats and horses because of soluble calcium oxalates, with vomiting and salivation in dogs and cats.

**Why are the leaves yellow with green veins?**  
A Dubai landscaping guide links this pattern to iron deficiency caused by alkaline soil, and RHS recommends neutral to slightly acid soil for wax begonias. Mix in compost, or grow them in a pot with potting mix.

## Related plants

[Impatiens](https://plantguide.ae/plants/impatiens.md) · [Pansy](https://plantguide.ae/plants/pansy.md) · [Petunia](https://plantguide.ae/plants/petunia.md) · [Sweet alyssum](https://plantguide.ae/plants/sweet-alyssum.md)

## Photos

![A mass planting of wax begonias (Begonia × semperflorens-cultorum 'Sprint Plus Orange') covering a bed with red-orange flowers](https://upload.wikimedia.org/wikipedia/commons/9/99/190909_084_Chicago_Botanic_Gdn_-_Circle_Garden%2C_Begonia_x_semperflorens-cultorum_%27Sprint_Plus_Orange%27_Wax_Begonia_%2848861110453%29.jpg)  
Photo: cultivar413 / CC BY 2.0 / Wikimedia Commons ([source](https://commons.wikimedia.org/wiki/File:190909_084_Chicago_Botanic_Gdn_-_Circle_Garden,_Begonia_x_semperflorens-cultorum_'Sprint_Plus_Orange'_Wax_Begonia_(48861110453).jpg))

![Pink wax begonias flowering with a trailing plant in a window box](https://upload.wikimedia.org/wikipedia/commons/3/3f/Bumblebee_on_Begonia_x_semperflorens-cultorum_publicdomain_tbf_-_2.jpg)  
Photo: ToBeFree / CC0 / Wikimedia Commons ([source](https://commons.wikimedia.org/wiki/File:Bumblebee_on_Begonia_x_semperflorens-cultorum_publicdomain_tbf_-_2.jpg))

![A bronze-leaved wax begonia (Begonia semperflorens) with small red-orange flowers](https://upload.wikimedia.org/wikipedia/commons/e/ea/Wax_Begonia_%28Begonia_semperflorens%29.jpg)  
Photo: Mokkie / CC BY-SA 4.0 / Wikimedia Commons ([source](https://commons.wikimedia.org/wiki/File:Wax_Begonia_(Begonia_semperflorens).jpg))

## Sources

- [UF/IFAS Gardening Solutions: Begonias](https://gardeningsolutions.ifas.ufl.edu/plants/ornamentals/begonias/)
- [RHS: Begonia Semperflorens Cultorum Group (S)](https://www.rhs.org.uk/plants/130495/begonia-semperflorens-cultorum-group-s/details)
- [ASPCA: Begonia](https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/begonia)
- [Al Ain Municipality (Abu Dhabi DMT): Al Ain blossoms with 99 million flowers throughout the year (begonia among the varieties used)](https://www.dmt.gov.ae/en/aam/Media-Centre/News/Al-Ain-Blossoms-with-99-Million-Flowers-Throughout-the-Year-in-a-Continuously-Renewed-Landscape)
- [Plantsworld: Begonia Maculata - Polka Dot Begonia (an indoor begonia, UAE shop listing checked 29 October 2026)](https://plantsworld.ae/products/begonia-maculata-polka-dot-begonia-plants)
- [Home Ease Repairs: Seasonal Garden Care Guide, Dubai Edition](https://homeaserepairs.com/seasonal-garden-care-guide-dubai-edition/)
- [Wikipedia: Climate of Dubai (1991–2020 normals, Dubai International Airport)](https://en.wikipedia.org/wiki/Climate_of_Dubai)
- [Kew WCVP, the checklist behind POWO (read via GBIF): Begonia cucullata Willd.](https://www.gbif.org/species/206770455)
- [Kew WCVP (via GBIF): Begonia semperflorens Link & Otto, a synonym of Begonia cucullata](https://www.gbif.org/species/206770468)
- [Wikipedia: Begonia cucullata](https://en.wikipedia.org/wiki/Begonia_cucullata)
- [Arabic Wikipedia: بغونية](https://ar.wikipedia.org/wiki/%D8%A8%D8%BA%D9%88%D9%86%D9%8A%D8%A9)
- [Hindi Wikipedia: बीगोनिया](https://hi.wikipedia.org/wiki/%E0%A4%AC%E0%A5%80%E0%A4%97%E0%A5%8B%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%BE)
- [Urdu Wikipedia: بیگونیا](https://ur.wikipedia.org/wiki/%D8%A8%DB%8C%DA%AF%D9%88%D9%86%DB%8C%D8%A7)
- [Malayalam Wikipedia: ബിഗോനിയ](https://ml.wikipedia.org/wiki/%E0%B4%AC%E0%B4%BF%E0%B4%97%E0%B5%8B%E0%B4%A8%E0%B4%BF%E0%B4%AF)
- [Tamil Wikipedia: பிகோனியா](https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%BF%E0%AE%95%E0%AF%8B%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%BE)
- [Tagalog Wikipedia: Bigonya](https://tl.wikipedia.org/wiki/Bigonya)
- [Persian Wikipedia: بگونیا](https://fa.wikipedia.org/wiki/%D8%A8%DA%AF%D9%88%D9%86%DB%8C%D8%A7)