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Begonia grandis (Hardy Begonia)

Hardy Begonias

Begonia grandis, Hardy Begonias, Shade Perennials, Pink flowers, White Flowers, Summer perennials
Hardy begonia, begonia grandis
Begonia grandis subsp. evansiana 'Alba' , White Hardy Begonia, Begonia grandis var. alba,  summer flower bulbs, shade plants, Shade flowers, shade loving flowers, White Begonia, White Flowers

Begonia grandis is a captivating perennial with elegant foliage and charming pink flowers, perfect for adding beauty and charm to any garden.

What is Begonia grandis (Hardy Begonia)?

Begonia grandis, also known as Hardy Begonia, is a herbaceous perennial native to China and Japan. It stands out for its unique ornamental characteristics and tolerance to shade.

Habit and Size: This robust tuberous perennial typically grows to a height of about 1-2 feet (30-60 cm) and a similar width. It displays a mounding growth habit with a somewhat bushy appearance. Its size makes it an excellent choice for small gardens, containers, or filling in spaces in larger landscape designs.

Flowers: The blooms are small, delicate, and pendulous. They come in shades of pink or white and are arranged in clusters at the tips of branching pinkish-red stems. The plant is dioecious, with separate male and female flowers on the same plant; male flowers are showier.

Foliage: The foliage is as appealing as the flowers, if not more so. Leaves are heart-shaped, glossy green on top and red underneath, with red veining. In autumn, the leaves turn a stunning shade of red.

Blooming Season: Flowering typically occurs from mid-summer into fall.

Hardiness: It is hardy in USDA zones 6 to 9.

Uses: Hardy Begonia is valued for its shade tolerance and is often used in woodland gardens, borders, rock gardens, or containers. Its attractive leaves and late-season flowers add interest to the garden.

Pollinators: The flowers attract a range of pollinators, particularly bees.

Toxicity: All parts of the plant are toxic if ingested and can cause skin irritation upon contact.

Deer and Rabbit: The plant is generally resistant to both deer and rabbits.

Drought: While it prefers moist soil, Hardy Begonia can tolerate short periods of drought.

Invasiveness: It is not considered invasive; however, it can self-seed under optimal conditions, leading to more plants in subsequent years. Slow-sprouting, these shade-loving perennials come up in spring from a dormant tuber. As winter approaches, they self-propagate by small bullets, which form in the leaf axils and drop to the ground, resulting in a lovely patch of begonias.

This plant is one of the few species of begonias that are hardy enough to be grown outdoors year-round in many climates. Its ability to bloom in the shade, combined with its late-season flowers and stunning foliage, makes it a precious addition to the garden

Guide Information

Hardiness 6 - 9
Heat Zones 5 - 9
Climate Zones 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Genus Begonia
Exposure Partial Sun, Shade
Season of Interest Summer (Mid, Late), Fall
Maintenance Low
Water Needs Average
Soil Type Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Tolerance Full Shade, Deer, Rabbit
Attracts Bees
Landscaping Ideas Patio And Containers, Beds And Borders, Ground Covers
Garden Styles Informal and Cottage, Mediterranean Garden, Traditional Garden

Pretty Hardy Begonias for your Garden

Garden design with Begonia grandis

Begonia grandis, or Hardy Begonia, offers many opportunities for garden design. Here are some suggestions:

Shade Garden: Begonia grandis excels in shade gardens where its bright, light-catching foliage and pink or white flowers provide a striking contrast against darker foliage plants. Combine with hostas, ferns, astilbes, or heucheras for a rich tapestry of color and texture.

Underplanting Trees and Shrubs: The hardy begonia can thrive in the dappled shade of trees and shrubs. Plant beneath rhododendrons, hydrangeas, or flowering dogwoods for a multi-tiered display.

Woodland Borders: Hardy begonia fits naturally into a woodland garden style. Use it along pathways or as a border, combined with other woodland plants such as bleeding heart (Dicentra), Columbine (Aquilegia), and Solomon’s Seal (Polygonatum).

Container Gardening: Hardy begonia can also be planted in containers, either alone as a stunning specimen or mixed with other shade-loving plants.

Remember, Begonia grandis thrives in well-draining, rich soil in shaded areas. These conditions will allow this plant to flourish and bring an exotic touch to your garden.

Companion Plants

Begonia grandis, also known as Hardy Begonia, thrives in shaded gardens and pairs well with a variety of plants that prefer similar conditions. Here are some suitable companion plants:

Hostas (Hosta spp.): The large, textured leaves of hostas provide a perfect contrast to the glossy, delicate foliage of Begonia grandis.

Ferns (Various Genera): Ferns come in a wide variety of shapes and sizes, and their delicate fronds complement the larger leaves of Begonia grandis.

Heucheras (Heuchera spp.): With their colorful leaves and tall flower spikes, heucheras can add another layer of interest to a garden featuring Begonia grandis.

Astilbes (Astilbe spp.): The fluffy, colorful flower plumes of astilbes can provide a stunning contrast to the more understated blooms of Begonia grandis.

Coral Bells (Heuchera spp.): With their delicate bell-shaped flowers and colorful foliage, these plants pair beautifully with begonias.

Solomon’s Seal (Polygonatum spp.): The arching stems and hanging flowers of Solomon’s Seal provide a nice counterpoint to the upright growth habit of Begonia grandis.

Bleeding Heart (Dicentra): The distinctive, heart-shaped flowers of the bleeding heart can provide a striking contrast to the more understated blooms of Begonia grandis.

Columbine (Aquilegia): Columbines are another excellent choice. Their unique, bell-shaped flowers can add a touch of whimsy to the garden.

Rhododendrons: These shrubs, known for their stunning, vibrant flowers, can serve as a beautiful backdrop for the smaller Begonia grandis. They also love acidic soils, which Begonia grandis can tolerate.

Hydrangeas: With their large, round clusters of flowers, hydrangeas can provide a nice contrast to the delicate, pendulous blooms of Begonia grandis.

Flowering Dogwoods (Cornus): Flowering dogwoods are a wonderful choice for adding vertical interest and springtime blooms. They can create a beautiful canopy under which Begonia grandis can grow.

Remember, all these plants prefer part to full shade and well-drained soil, so they’ll thrive under the same conditions as Begonia grandis. The key to a successful garden design is understanding each plant’s requirements and ensuring they are compatible.

Companion Plants for Hardy Begonia

Astilbe
Hosta (Plantain Lily)
Heuchera (Coral Bells)
Hakonechloa macra (Hakone Grass)
Dicentra (Bleeding Heart)
Aquilegia (Columbine)
Azalea and Rhododendron
Hydrangea macrophylla (Bigleaf Hydrangea)
Helleborus (Hellebore)

 

Growing Tips

Growing Begonia grandis, also known as Hardy Begonia, is not overly complicated, and they’re a lovely addition to the garden due to their unique and attractive foliage and pretty pink flowers. Here are some steps to help you grow them:

Location and Soil: Hardy Begonias prefer a location with part shade or full shade. They grow well in well-draining soil rich in organic matter. They can tolerate a wide pH range but prefer slightly acidic soil.

Planting: Plant the bulbs in spring, spacing them about a foot apart. The bulbs or tubers should be planted just below the soil surface with the indented side facing upwards. After planting, water them well.

Watering: These plants prefer moist but well-drained soil. Water them regularly, but make sure not to overwater as this can lead to rot.

Fertilizing: While Hardy Begonias aren’t heavy feeders, you can apply a balanced, slow-release fertilizer in spring to promote vigorous growth.

Pruning: Deadhead flowers to encourage new blooms.

Maintenance: Deadhead spent flowers to encourage more blooming. In the fall, after the foliage has died back, you can leave the tubers in the ground in warmer zones (USDA zones 6-9), but in colder climates, they should be dug up and stored indoors over winter.

Propagation: Begonia grandis can be propagated by seed, stem cuttings or by division. If you’re dividing, the best time to do this is in early spring before new growth starts.

Keep an eye out for potential issues like powdery mildew, stem rot, or pests like slugs and snails. If your plants are healthy and well-cared for, these problems should be minimal. Remember, every garden is unique, so monitor your plants and adjust care as necessary.

Discover These Helpful Guides for Further Reading

Begonia: How to Grow and Care with Success
Begonia
Tuberous Begonias
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While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.

Guide Information

Hardiness 6 - 9
Heat Zones 5 - 9
Climate Zones 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Genus Begonia
Exposure Partial Sun, Shade
Season of Interest Summer (Mid, Late), Fall
Maintenance Low
Water Needs Average
Soil Type Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Tolerance Full Shade, Deer, Rabbit
Attracts Bees
Landscaping Ideas Patio And Containers, Beds And Borders, Ground Covers
Garden Styles Informal and Cottage, Mediterranean Garden, Traditional Garden
Compare All Begonia
Compare Now
Guides with
Begonia

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