Ribbed Series Planters

Enhancing Both Traditional and Contemporary Design

One of Larry Kornegay’s first collections, the Ribbed Series has become a perennial favorite across a wide variety of architectural contexts. The clean, concentric ribbed face pattern brings subtle elegance, while a selection of different sizes and silhouettes offers a myriad of possibilities in landscape design. To Larry Kornegay, one of Ribbed most compelling features is the way that the series interacts with light. “I’m always thinking about how pieces will relate with light. From the earliest sketches, I’m considering how the lines and personality will change as the sun does,” describes Kornegay. “For Ribbed, at high noon there’s a strong shadow underneath each of the ribs, but as the sun moves, different and interesting shadows emerge. If you took a photo every hour, the piece would look different in each one.”

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Ribbed Product Details

The Ribbed Series includes six different sizes of precast concrete landscape containers. The forms range from 12” to 36” tall and 15” to 34” in diameter. Ribbed Series ships with the standard 2-⅜” diameter drainage hole, or custom hole to function with irrigation & drainage plumbing. The Ribbed Series is available in 9 standard colors, with additional color mixing available, and can be finished in a bituminous sealer (suggested for interior applications) or sandblast finish.

Product Specs

Product ID Height Diameter Base Weight
RS-12 12 ″ 28 ″ 20.5 ″ 155 lbs.
RS-15 15 ″ 15 ″ 6 ″ 55 lbs.
RS-21 21 ″ 24 ″ 11 ″ 145 lbs.
RS-27 27 ″ 33 ″ 18 ″ 370 lbs.
RS-30 30 ″ 15 ″ 12 ″ 245 lbs.
RS-36 36 ″ 34 ″ 23 ″ 620 lbs.
Scroll the Table

All weights are approximate.

Ribbed Scale Art


  • Drainage
    • Standard diameter hole: approximately 2-3/8″
    • Custom size to function with irrigation & drainage (note size of plumbing fixture to be used)
  • Concrete Color
  • Finishing
    • Bituminous sealer (suggested for interior applications)
    • Sandblast finish
  • Notes
    • Prices vary based on color, sandblasting, sealer and extra drain holes

In 1999, Larry Kornegay designed the Ribbed Series exclusively for Kornegay Design, a Landscape Forms company.


  • Ash White

  • Dune

  • Graphite
    (Iron Oxide)

  • Natural Gray

  • Palomino

  • Sandstone

  • Silver Smoke
    (Iron Oxide)

  • Terra Cotta

  • Willow Green

Ribbed Line Art

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