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Tuberous Begonia

Begonia x tuberhybrida

Tuberous begonias are tough annuals with double blossoms reminiscent of hardy camellia flowers. They grow well in containers and make a good addition to your houseplant collection. Here’s a little known fact: Tuberous begonia blossoms are edible. They have an acidic, sour, lemon-like taste. If you’re going to use them as a garnish, be sure the plants have been grown without pesticides or chemicals.

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Light:

Part Sun, Shade

Type:

Height:

From 6 inches to 3 feet

Width:

From 12 to 18 inches

Flower Color:

Foliage Color:

Seasonal Features:

Special Features:

Zones:

9-11

Propagation

Colorful Combinations

Tuberous begonias feature flowers available in almost every color, except blue and purple. The plants bloom with both female and male flowers on the same plant. The female blossoms appear first, often single petals with a row of exposed flower parts. Then male flowers begin; they are showy and have hidden flower parts. Tuberous begonias bloom all season long, and gardeners appreciate the constant display of color. Tuberous begonias require little deadheading as they drop their spent blossoms. This can cause plants to be somewhat messy at times, especially in hanging baskets as the debris litters the ground below.

Create stunning hanging baskets with tuberous begonias.

Tuberous Begonia Care Must-Knows

As their name implies, tuberous begonias grow from a large tuber, or storage root. It is important that the plants dry out a bit between watering, otherwise the tubers are susceptible to rot. This also makes the plants less than ideal for growing in the ground as they prefer the well-drained soil of potting mix in containers. Their semi-weeping habit favors planting in a hanging basket so the branches spill over the sides. Tuberous begonias are considered big feeders and require more food to sustain their floriferous habit. Apply a slow-release fertilizer along with an occasional dose of liquid fertilizer throughout the summer so the plant can put on the best display of blossoms.


Tuberous begonias generally do best in morning sun and afternoon shade. They are able to handle fairly dense shade with dappled sunlight. Too much sun causes leaf scorching and can damage the tender petals of the plant. Being native to high altitude areas with cooler climates, they perform best with cool nights and shelter from the hot summer weather.

Try these plant combinations for shady container gardens.

Like most plants that have some sort of storage root system, tuberous begonias usually need a dormant period to encourage flowering. They typically enter dormancy in the fall and winter. During the dormant period, it is important to keep the soil dry as wet soil encourages rot and pests. As the soil warms up in spring, growth will typically emerge from the same tuber.

If you are growing tuberous begonias in the ground, allow these plants to grow as long as possible up to the first frost. At this point, dig up the tubers with a small amount of soil around them and allow to dry in a sheltered location like a garage or shed. Once fully dried and after the stems have broken off, remove any remaining soil from the tuber and store in a cool, dry location until spring.

Check out more beautiful blooming bulbs here.

More Varieties of Tuberous Begonia

'Go Go Yellow' tuberous begonia

Begonia 'Go Go Yellow' bears big yellow blooms against green foliage. It grows about 1 foot tall and produces a lot of flowers.

'Nonstop Bright Rose' tuberous begonia

Begonia 'Nonstop Bright Rose' bears glowing rose-pink flowers over a mounding plant with green foliage. It grows 10 inches tall and wide.

'Nonstop Deep Red' tuberous begonia

Begonia 'Nonstop Deep Red' bears rich red blooms against rich green foliage. It grows 10 inches tall and wide.

'Nonstop Deep Rose' tuberous begonia

Begonia 'Nonstop Deep Rose' bears rich rose-pink flowers over a mounding plant with green foliage. It grows 10 inches tall and wide.

'Nonstop Fire' tuberous begonia

Begonia 'Nonstop Fire' is a new variety with blooms in vibrant shades of yellow, gold, orange, and red. The 4-inch-wide flowers contrast nicely against the deep green foliage. It grows 10 inches tall and wide.

'Nonstop Mocca White' tuberous begonia

Begonia 'Nonstop Mocca White' bears pure-white flowers on chocolate-brown foliage. It grows 12 inches tall and wide.

'Nonstop Mocca Deep Orange' tuberous begonia

Begonia 'Nonstop Mocca Deep Orange' combines intensely orange 4-inch-wide blooms with chocolate-brown leaves on compact mounded plants. It grows 12 inches tall and wide.

'Nonstop Rose Petticoat' tuberous begonia

Begonia 'Nonstop Rose Petticoat' shows off two-tone pink flowers over rich green foliage. It grows 10 inches tall and wide.

'Nonstop Yellow' tuberous begonia

Begonia 'Nonstop Yellow' bears lovely bright yellow blossoms over rich green foliage. It grows 10 inches tall and wide.

'Scentimental Blush' tuberous begonia

Begonia 'Scentimental Blush' offers soft pink, fragrant flowers over dark green leaves. It grows 12 inches tall and wide.

'Solenia Cherry' tuberous begonia

Begonia 'Solenia Cherry' has 3-inch-wide fully double red blooms. It grows 10-12 inches tall and wide, and its compact mounded habit suits it well to growing in containers.

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