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Plant Encyclopedia

Under The Sea™ King Crab Coleus

Solenostemon scutellarioides 'King Crab'

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Under The Sea King Crab Coleus (Solenostemon scutellarioides 'King Crab') at Ted Lare Design and Build

Under The Sea™ King Crab Coleus foliage

(Photo courtesy of NetPS Plant Finder)

Under The Sea King Crab Coleus (Solenostemon scutellarioides 'King Crab') at Ted Lare Design and Build

Under The Sea™ King Crab Coleus

(Photo courtesy of NetPS Plant Finder)

Height:  18 inches

Spacing:  9 inches

Sunlight:  partial shade  full shade 

Hardiness Zone:  (annual)

Group/Class:  Under the Sea Series

Brand:  Hort Couture


This selection presents undulating, deeply lobed leaves splashed with intense color; has a dense and compact habit; great for gardens, containers and mixed borders

Ornamental Features

Under The Sea™ King Crab Coleus' attractive large deeply cut pointy leaves remain burgundy in color with distinctive chartreuse edges and tinges of plum purple throughout the year on a plant with an upright spreading habit of growth.

Landscape Attributes

Under The Sea™ King Crab Coleus is an herbaceous annual with an upright spreading habit of growth. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.

This is a relatively low maintenance plant. The flowers of this plant may actually detract from its ornamental features, so they can be removed as they appear. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. It has no significant negative characteristics.

Under The Sea™ King Crab Coleus is recommended for the following landscape applications;

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

Planting & Growing

Under The Sea™ King Crab Coleus will grow to be about 18 inches tall at maturity, with a spread of 12 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 9 inches apart. 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 partial shade to 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 highly tolerant of urban pollution and will even thrive in inner city environments. 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.

Under The Sea™ King Crab Coleus is a fine choice for the garden, but it is also a good selection for planting in outdoor containers and hanging baskets. It is often used as a 'filler' in the 'spiller-thriller-filler' container combination, providing a canvas of foliage against which the larger thriller plants stand out. 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
Massing  Edging  Garden  Container  Basket 
Foliage Color  Texture 
Ornamental Features

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