Tuberous begonias are tender and must remain frost free. For an earlier display, start the tubers in temporary pots in a greenhouse or bright, protected place from February to April, then move them outdoors once the risk of frost has passed.
Out of season
White is the colour of purity and innocence, but it also has a cooling effect. A container or two of bright white flowers might be just the thing for your patio when the summer sun starts to leave you a little frazzled. The Begonia 'Double White' could be just the right answer – its slightly creased white petals layered one on top of another create an almost rose-like flower that’s as cool and calm as can be. These white double Begonia flowers will give even the most tired spirit a refreshing lift. Just remember that direct sun can be tough on these flowers, too. Rather choose a place on the northern side or where a tree or roof can keep this pristine beauty happy with partial shade!
Quantity
Plant profile
Plant calendar
Grow begonias in light shade, protected from harsh winds. They need rich, reliably moist yet free-draining conditions. For containers, use peat-free multipurpose compost and make sure excess water can drain away easily.
Begonia tubers can be planted directly into patio containers or suitable borders in May, once frosts have passed. If planting into a border before shoots appear, mark the position so you know where to water and avoid disturbing the tuber.
Unlike pointed flower bulbs, begonia tubers are rounded with a shallow hollow on top. Plant with the hollow side facing upwards and the rounded side downwards, leaving the top of the tuber around 1–2cm below the soil or compost surface.
Space tubers approximately 15–20cm apart in container displays or 20–30cm apart in borders. This gives the developing plants enough room to form a generous, well-balanced display without becoming overcrowded.
Water after planting, then keep the compost only lightly moist while the tubers remain dormant. Once shoots appear and growth becomes established, water regularly without allowing the soil to become waterlogged or the containers to stand in water.
- Botanical name
- Begonia 'Double White'
- Flower colour
- White
- Tuber size
- 6/+
- Established height
- 30-50cm
- Established spread
- 20-30cm
- Growing skill
- Easy to grow
- Habit
- Upright
- Hardiness
- Tender
- Leaf colour
- Green
- Mouse resistant
- No
- Plant spacing
- 16 tubers per m2
- Pollinator friendly
- No
- Position
- Sheltered
- Rabbit resistant
- No
- Scented
- No
- Soil acidity
- Any
- Soil moisture
- Free draining
- Soil type
-
Loam
Sandy
Multipurpose compost - Suitable for
-
Pots
Borders
Large containers
Exotic gardens
Cottage gardens
Low maintenance gardens - Sunlight
-
Partial shade
Dappled shade
Full sun - Toxicity
- No report
- Years to establish
- 1st year
Perfect for pots
Great for shade
Thrives in full sun
Perennial
Packed in paper
Needs winter protection
Low maintenance
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Begonia 'Double White' reviews
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