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annual

San Francisco Begonia

Begonia boliviensis 'San Francisco'

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San Francisco Begonia (Begonia boliviensis 'San Francisco') at Ashcombe Farm & Greenhouses

Begonia 'San Francisco' flowers

Begonia 'San Francisco' flowers

(Photo courtesy of NetPS Plant Finder)

Height:  12 inches

Spacing:  20 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  (annual)

Description:

This variety features slender, sharply pointed green leaves; a floriforous display of velvety salmon blooms on pink stems; great for containers and baskets

Ornamental Features

San Francisco Begonia features dainty nodding salmon bell-shaped flowers at the ends of the stems from mid spring to mid fall. Its attractive serrated narrow leaves remain green in color throughout the year. The fruit is not ornamentally significant.

Landscape Attributes

San Francisco Begonia is an herbaceous annual with a trailing habit of growth, eventually spilling over the edges of hanging baskets and containers. Its medium texture blends into the garden, but can always be balanced by a couple of finer or coarser plants for an effective composition.

This is a high maintenance plant that will require regular care and upkeep, and usually looks its best without pruning, although it will tolerate pruning. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Insects
  • Disease

San Francisco Begonia is recommended for the following landscape applications;

  • Mass Planting
  • Border Edging
  • General Garden Use
  • Container Planting
  • Hanging Baskets

Planting & Growing

San Francisco Begonia will grow to be about 12 inches tall at maturity, with a spread of 24 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 20 inches apart. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. Although it's not a true annual, this plant can be expected to behave as an annual in our climate if left outdoors over the winter, usually needing replacement the following year. As such, gardeners should take into consideration that it will perform differently than it would in its native habitat.

This plant does best in full sun to partial shade. It requires an evenly moist well-drained soil for optimal growth, but will die in standing water. It is not particular as to soil pH, but grows best in rich soils. It is somewhat tolerant of urban pollution, and will benefit from being planted in a relatively sheltered location. Consider applying a thick mulch around the root zone over the growing season to conserve soil moisture. This is a selected variety of a species not originally from North America. It can be propagated by cuttings; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

San Francisco Begonia is a fine choice for the garden, but it is also a good selection for planting in outdoor containers and hanging baskets. Because of its trailing habit of growth, it is ideally suited for use as a 'spiller' in the 'spiller-thriller-filler' container combination; plant it near the edges where it can spill gracefully over the pot. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Edging  Garden  Container  Basket 
Applications
Flowers  Foliage Color 
Ornamental Features