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annual

Wilhelm Langguth Geranium

Pelargonium 'Wilhelm Langguth'

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Wilhelm Langguth Geranium (Pelargonium 'Wilhelm Langguth') at America's Best Flowers

Wilhelm Langguth Geranium foliage

Wilhelm Langguth Geranium foliage

(Photo courtesy of NetPS Plant Finder)

Height:  20 inches

Spacing:  16 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  (annual)

Ornamental Features

Wilhelm Langguth Geranium's attractive tomentose round palmate leaves remain green in color with distinctive white edges throughout the year. It features bold balls of lightly-scented red flowers at the ends of the stems from late spring to early fall. The flowers are excellent for cutting. The fruit is not ornamentally significant.

Landscape Attributes

Wilhelm Langguth Geranium is an herbaceous annual with an upright spreading habit of growth. 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 plant will require occasional maintenance and upkeep. Trim off the flower heads after they fade and die to encourage more blooms late into the season. It has no significant negative characteristics.

Wilhelm Langguth Geranium is recommended for the following landscape applications;

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

Planting & Growing

Wilhelm Langguth Geranium will grow to be about 20 inches tall at maturity, with a spread of 20 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 16 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 fast-growing 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 does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. This particular variety is an interspecific hybrid. 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.

Wilhelm Langguth Geranium is a fine choice for the garden, but it is also a good selection for planting in outdoor containers and hanging baskets. With its upright habit of growth, it is best suited for use as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. 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

 

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