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Delaware Valley Branch ABS

Begonia Classification

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Here is an explanation on the different types of begonias and a insight how they grow. As you see there is a wide assortment of plants that can  fit into your gardening needs.

Begonia  Cassifications

Begonias come in all sizes, shapes and colors. For show purposes, the American Begonia Society subdivides begonias into seven broad classifications, based on their growing habits. This is a convenient subdivision, because plants with the same growth habits often require similar growing conditions and care. Major classes of begonias are:

. Rhizomatous; The largest  number of species begonias is  rhizomatous. These plants have a thickened stem with short internodes, which usually runs on the soil .surface. Leaves come from the rhizome; rising above it, to form the plant. These plants usually flower in the winter and early spring, (January through May) with small white or pink flowers hanging on tall inflorescence that rise in the middle of the plant.                                     

Cane-like:  Cane-like begonias are characterized by a strong upright stem with long internodes and look very much like bamboo. Many cane:-like begonias will to attain either an upright growth pattern, or can be made into a hanging basket plant, depending on the  growers  pruning techniques. These plants are very popular with local growers because they are easy to grow and flower heavily in the spring through fall (April through October). Flower colors range from bright red, to orange, to pink, to white and all shades in between.

Shrub-like: These plants are very similar to the cane-like plants, except they easily branch along the main stems. These plants make  good hanging baskets and may bloom spring through fall.

Rex cultorum.. This is the brightly colored, big leafed begonia plants  sold widely in the winter time. These  plants are also rhizomatous, but because of their high commercial value, they are classified separately. These plants are beautiful, 'but difficult to grow because too high or too low a temperature, even for a short period of time will cause the plant to go dormant, loosing all it's leaves. Many Rex Cultorums never recover from this dormancy in ordinary home growing condition.


Thick-stem: These plants grow tall and upright, with thick, strong stem Many grow to five or six feet in home care. Some branch frequently; some never branch. Many have leaves only at the very top of the main stems; some have leaves throughout the stem. These plants end to bloom with very small white blooms in mid winter.


Trailing/Scandent: These plants resemble vines. They grow downward (trailing} as a hanging vine, or climb upward (scandent) with a clinging vine  These are favorites for hanging baskets. Most bloom in the spring and summer and have small white flowers.

Tuberous; These plants have a tuberous growth below the soil surface from which the stems emerge. These plants require low temperatures for proper growth,. The "Rieger' begonias, one type of tuberous are called "Winter Flowering Begonias" , but they available year round in floral shops or garden centers. Since they come in assorted colors plus a large flower they are a popular house plant. Remove spent flowers and when the plant stop flowering  just be patient and with proper light the flowers will return.





Delaware Valley Branch of the American Begonia Society. E-mail address to answer any questions,