Begonia grandis ‘Sapporo’

Hardy Begonia 'Sapporo'


Begonia grandis ‘Sapporo’ is a hardy perennial begonia known for its attractive foliage and delicate flowers. It features heart-shaped, olive-green leaves with striking red undersides and red-veined stems. During late summer to early autumn, it produces clusters of small, pink or white flowers. This begonia thrives in partial to full shade and prefers moist, well-drained soil rich in organic matter.

It is suitable for woodland gardens and shaded, exotic borders, adding colour and texture. ‘Sapporo’ can tolerate cooler climates better than many begonias and typically grows to about up to 100cm in height and spread when established. It is valued for its resilience and ornamental appeal in shaded garden areas. It can survive several degrees of frost if protected and can be planted outdoors in milder parts of the UK.


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Origin: Species native to temperate regions of East Asia, cultivar from Japan
Genus: Begonia
Species / Cultivar: grandis 'Sapporo'
Common Name: Hardy Begonia 'Sapporo'

Plant Biography

Begonia grandis ‘Sapporo’ is a cultivar of Begonia grandis, which is native to China and Japan. The species was first described in the early 19th century by European botanists, intrigued by its unique ability to thrive in cooler climates compared to other begonias.

The ‘Sapporo’ variety, named after the city in Japan, highlights its cold hardiness. It was developed through selective breeding to enhance its ornamental features and resilience. ‘Sapporo’ has gained popularity in temperate regions for its attractive foliage and delicate flowers, contributing to the diversity of shade-loving plants in gardens worldwide. Its introduction and cultivation underscore the botanical interest in creating hardy, yet visually appealing, plant varieties.

Begonia grandis ‘Sapporo’
Soil: Moist but Well Drained
Soil that allows water to drain at a moderate rate, without the water pooling.
Growth Rate: Fast
Expect to see prolific growth, especially during growing season.
Water Requirement: Medium
Once it is established, this plant is likely to only require watering during drier periods.
Maintenance: A little
Easy to look after but may occasionally require some attention in order to thrive.
Situation: Part Shade
Enjoys several hours of direct sunlight but may enjoy dappling or shade at midday.
Eventual Height: 0.5-1m
The plant's ultimate height in typical growing conditions.
Eventual Spread: 0.5-1m
The plant's ultimate spread in typical growing conditions.
Hardiness: Half Hardy
Will need protection from frosts in order to survive winter, eg. with fleece jacket.
Habit: Deciduous
Sheds all its foliage annually, so for a period of the year it will be without foliage.
Lifecycle: Perennial
This plant is persistant and does not die off after flowering. It will return each season indefinitely, if provided with suitable growing conditions.
Care & Size Guidance

Care & Size Guidance

Begonia grandis ‘Sapporo’ thrives in partial to full shade, preferring moist, well-drained soil rich in organic matter. Water regularly to maintain soil moisture, but avoid waterlogging. Mulch around the base to conserve moisture and protect the roots. In colder climates, apply a layer of mulch in autumn to provide frost protection.

Feed with a balanced fertiliser during the growing season to promote lush foliage and flowering. This hardy begonia typically grows to about 100cm in height and spread when established, making it ideal for shaded borders and woodland gardens. Regular care ensures ‘Sapporo’ remains vibrant and healthy, adding colour and texture to shaded areas. Will happily grow in a large pot which can be moved undercover in colder areas.


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