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.
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Begonia
'Cascade Pastel Wave'
Begonia 'Cascade Pastel Wave' is the horticultural equivalent of soft summer music—gentle, elegant, and wonderfully easy to live with. This cascading begonia produces a generous flow of blooms in a dreamy palette of pastel tones—soft peach, primrose yellow, and blush pink—tumbling gracefully over the edges of hanging baskets or patio containers. Its trailing habit makes Begonia 'Cascade Pastel Wave' perfect for brightening up balconies, window boxes or terrace planters, where its long flowering season ensures months of colour from early summer through to the first autumn chills.
Plant Begonia 'Cascade Pastel Wave' in fertile, moist but well-drained soil and a spot that enjoys sunshine with a touch of afternoon shade. At around 25–30cm tall, it’s delightfully compact yet lush in growth, providing a continuous wave of soft-hued blooms that reward very little effort. Deadheading spent flowers keeps the show going strong, and regular watering will keep it looking fresh even through warmer spells. Begonia 'Cascade Pastel Wave' proves that sometimes the most charming garden displays are also the most effortless—an easy, elegant choice for anyone wanting a touch of pastel poetry in their summer planting.
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 'Cascade Pastel Wave'
- Flower colour
- Peach, salmon, pink, cream, yellow
- Tuber size
- 6/+
- Established height
- 20-30cm
- Established spread
- 30-50cm
- Growing skill
- Easy to grow
- Habit
- Trailing
- 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
Baskets
Exotic gardens
Borders
Large containers
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
Trailing habit
-20%
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