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For most begonias, the reliable starting point is bright, filtered light, evenly moist but well-drained soil, and protection from frost. But begonias are a diverse genus: identify whether yours is a wax, tuberous, cane, rhizomatous, Rex, or trailing type before deciding how much sun it needs or how to overwinter it.
Identify your begonia before choosing its care
North Carolina State Extension counted more than 2,100 Begonia species and ranked the genus eighth among flowering plant genera in 2023 (North Carolina State Extension’s Begonia profile). The plants sold and grown by gardeners vary in flower, foliage, growth habit, and seasonal needs, so one care schedule will not fit every variety.
| Group | Common features and use | Care distinction |
|---|---|---|
| Wax (semperflorens) | Often grown as bedding plants; typically compact and flowering. | Established plants can tolerate full sun in some conditions, unlike many begonias (Iowa State University Extension). |
| Tuberous | Known for large flowers; grown in containers or beds. | Has a dormant rest period; do not treat it like a year-round actively growing houseplant. |
| Cane | Includes upright angel-wing forms, often grown for patterned leaves and flowers. | Canes may become long; pruning and pinching can help manage their shape. |
| Rhizomatous and Rex | Often grown primarily for decorative foliage. | Many prefer filtered light; certain varieties can be propagated from leaf cuttings. |
| Trailing | Spreading or hanging growth, suited to baskets. | Choose a position that accommodates trailing stems and provides suitable light without harsh exposure. |
These are broad group descriptions, not guarantees for every cultivar. Check a plant label or supplier’s growing information when available, especially for light and winter requirements.
How much light do begonias need indoors?
Use bright, indirect or filtered light as the default. An east-facing window with gentle morning sun is a useful indoor position for many types. Flowering begonias may tolerate some direct sunlight, especially in the morning, while foliage begonias are more likely to scorch in direct sun. Clemson Cooperative Extension advises keeping foliage types out of direct sun and notes that flowering houseplant types can use a bright location with some direct light (Clemson’s indoor begonia guidance).
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- Begonia Black Magic is a truly distinctive plant that emerges from a creeping rhizome. Characterized by its strikingly dark leaves adorned with a pebbled texture, it stands out as a captivating addition to any collection of foliage.
- Water; Begonias prefer moist but not soggy soil so make sure the soil and pot are well draining.
- Light; Foliage Begonias thrive in bright, indirect sunlight, while the light requirements for blooming begonias vary.
- Climate: Rex begonias are well adapted to USDA Hardiness Zones 7–12, with a temperature range of 60°F–80°F
- Ships fast and accurately from our facility certified in California.
Turn the pot occasionally if growth leans strongly toward the window. If leaves look scorched or faded, move the plant farther from direct sun; if it becomes weak or stretched, try a brighter spot while avoiding intense midday exposure.
Can begonias grow outside?
Yes, many begonias grow well outdoors during warm weather. Most commonly cultivated types prefer partial shade or filtered light, though established wax begonias can tolerate full sun. A spot with morning sun and afternoon shade is a practical starting point for many garden begonias. Protect plants from strong winds, which can damage their foliage and flowers.
Use a container with drainage holes or a garden bed where water does not collect. UF/IFAS recommends several hours of morning sun for landscape begonias and warns against placing them where soil stays wet (UF/IFAS begonia care).
Rank #2
- BEAUTIFUL POLKA DOT FOLIAGE: Angel Wing Begonia features dramatic green leaves covered with contrasting silvery-white spots, creating an eye-catching tropical appearance.
- LIVE ROOTED STARTER PLUGS: Receive healthy, actively rooted young plants ready to transplant into your favorite pots or containers. Plants are shipped as starter plugs, not mature plants.
- COLORFUL ANGEL WING LEAVES: Distinctive elongated leaves develop rich green coloring, silver spotting and attractive reddish tones on the undersides as the plants mature.
- GORGEOUS PINK FLOWERS: Mature plants can produce clusters of delicate pink flowers that hang among the decorative foliage when grown under favorable conditions.
- EXCELLENT INDOOR HOUSEPLANT: A striking choice for bright indoor spaces, sunrooms, patios and container gardens. Grow in well-draining soil with bright, indirect light.
Cold limits and outdoor seasons
Begonias are generally frost-tender. North Carolina State Extension says commonly cultivated begonias do not tolerate temperatures below 55°F (NCSU Plant Toolbox). UF/IFAS gives USDA hardiness zones 8b–11 for outdoor cultivation in its Florida-oriented guidance and recommends frost protection in cooler locations. Those zones are not a universal guarantee: climate, cultivar, exposure, and local conditions matter. In areas with frost, bring container plants indoors or protect them before cold weather, following the needs of their particular group.
How often should you water begonias?
Water when the surface of the growing medium begins to dry, then let excess water drain away. Aim for evenly moist soil, not waterlogged soil. The exact interval depends on pot size, temperature, light, airflow, and whether the plant is in a container or garden bed, so check the soil rather than watering by a fixed calendar.
- Water at the base where practical, keeping foliage dry to reduce the chance of fungal disease.
- Empty saucers after watering; do not leave the pot standing in water.
- Make sure outdoor soil drains freely. Persistently wet soil can cause root rot.
- Reduce watering in winter if an indoor plant’s growth slows, but do not apply tuberous-begonia dormancy instructions to every type.
Overwatering is a common route to root rot, which can be difficult to reverse once advanced. University of Minnesota Extension also recommends watering at the base where possible (University of Minnesota Extension’s begonia guidance).
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- Spotted Foliage: You won't have seen much like this exotic Angel Wing Begonia: The spots on its leaves are pearly white, and the leaves stay a shiny dark olive color, with reddish undersides
- Angel Wing Leaves: Gift-givers love this rare houseplant because they can play up the angel wing shape of its leaves... "For you, a real angel"
- Live Plant: No small plant plug here... your Begonia maculata angelwing plant will measure up, at about the height of a ruler... display-ready
- Easy Care: For something so exotic looking, it's hard to believe this live indoor or outdoor plant is no harder to care for than a Daisy
- U.S.-Grown: Your Polka Dot Begonia has been grown in the U.S., in our plant-filled greenhouse in northern Wisconsin: Winter Greenhouse has been in operation for over 40 years, in the same (happy, and sometimes soil-covered) hands
What soil, humidity, and temperature work best?
Soil and drainage
Use a loose, well-draining potting medium and a container with unobstructed drainage. In the garden, avoid low spots and heavy, persistently wet soil. Drainage matters more than keeping the roots constantly saturated.
Humidity and airflow
Begonias, particularly foliage types, can benefit from humid air. However, still, very damp conditions can encourage mildew. Rather than misting foliage begonias, Clemson recommends increasing humidity around the plant; keep air moving and avoid wet leaves that remain damp for long periods. Good airflow is also useful outdoors.
Temperature
Keep indoor begonias warm and away from cold drafts. Clemson gives foliage begonias a preferred indoor range of 66–73°F and says nighttime temperatures should not fall below 55°F. Those figures are guidance for the foliage types covered by that source, not a universal temperature prescription for every begonia.
Rank #4
- You will receive 1 Begonia plant, standing 4-7 inches tall
- Place this plant in a location with bright, indirect sunlight to partial shade
- Use loose, well-draining soil and water it moderately, allowing the top inch of soil to dry out between waterings
- This variety thrives year-round in warm USDA Hardiness Zones 9 through 11
- You can grow it as a colorful houseplant near a bright window
How should you feed and prune begonias?
Feeding
Feeding needs depend on the type and whether the plant is indoors, in a container, or growing in a garden bed. RHS recommends a high-potassium feed from May to September for some houseplant groups; University of Minnesota Extension advises monthly feeding after outdoor planting and distinguishes flowering plants from foliage-only types. Follow the label for the fertilizer you use, and avoid applying a single dose or schedule to every begonia.
Pruning and pinching
Light pruning can encourage fresh growth and flowers in some landscape begonias. For cane types, pinching branch tips can promote a fuller shape, while overly long stems can be cut back in spring or early summer. Match pruning to the plant’s growth habit: a trailing basket plant, compact bedding begonia, and upright cane begonia do not need identical shaping.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How do you propagate begonias?
Choose a propagation method suited to the group. Begonias can be grown from seed, stem or leaf cuttings, rhizome or tuber sections, or division, but not every method is equally useful for every plant.
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Stem cuttings
- Take a healthy stem cutting about 2–4 inches long.
- Place it in moist perlite, potting soil, or another sterile rooting medium.
- Keep the medium moist but not waterlogged while the cutting roots.
UF/IFAS describes this stem-cutting approach for begonias (UF/IFAS propagation guidance).
Leaf cuttings and seed
Some rhizomatous begonias, including Rex hybrids and Begonia masoniana, can be propagated using leaf-vein cuttings. Begonia seed is very fine; RHS advises surface sowing because the seeds need light to germinate. Use a clean tray and follow the directions for the specific seed or plant group (RHS begonia propagation guidance).
What changes in winter?
Winter care depends on the begonia group. Keep non-dormant indoor plants warm and reduce watering if growth slows. Tuberous begonias are different: they have a rest period, and Iowa State describes them as dormant indoors in fall and winter. Clemson advises stopping watering tuberous begonias in fall. Do not use that dry-rest routine for cane, wax, or foliage types unless guidance for the specific plant calls for it.
For outdoor plants in frost-prone areas, protect or move them before temperatures fall below the plant’s tolerance. If a plant’s identity is unclear, do not assume it is hardy or that it needs a tuberous begonia’s dormant treatment.
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What pests and problems should you watch for?
Common problems include mealybugs, whiteflies, thrips, scale insects, spider mites, aphids, slugs, snails, and powdery mildew. Inspect leaf undersides and stem joints regularly, remove dead plant material, and address pests early. Avoid persistent wet soil, keep air moving, and water at the base when practical to reduce conditions that favor disease.
- Soft, failing growth or roots: check for waterlogged medium and poor drainage, which can lead to root rot.
- Powdery or discolored leaf surfaces: improve airflow and avoid prolonged dampness on foliage.
- Fine webbing or stippled leaves: inspect for spider mites, especially on indoor plants.
- Clusters of insects on stems or leaf undersides: check for mealybugs, aphids, whiteflies, or scale.
Are begonias safe around pets?
No. University of Minnesota Extension lists begonias as toxic to cats and dogs. Keep plants and fallen leaves beyond pets’ reach, and contact a veterinarian if you suspect a pet has eaten part of a plant.
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