Nantucket Cedar Window Boxes by Nantucket Post Cap

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Since 1988, The Nantucket Post Cap Company has been creating fine post caps, finials, arbors, gates, benches, tables, and pergolas made out of the highest grade of redwood and cedar. All their high quality Window Planter Boxes are made from the best grade of clear Western Red Cedar, so your fencing, deck, or other landscaping project is done right the first time.

Western Red Cedar has great resistance to moisture, decay and insect damage. This wood type also has exceptional dimensional stability. Your Window Box will stay straight, retain fasteners, and provide a firm base for many types of stains and paints, giving you a wooden window box that will hold up to the elements for years to come.

Add some charm to your windows with these high quality, all cedar window boxes.

All Nantucket Window Boxes are hand made in Vermont out of the highest quality, knot free Western Red Cedar with furniture grade joinery. They are shipped well sanded and unfinished and can be painted, stained, or allowed to weather naturally. Stainless steel fasteners are used throughout the construction where needed.

Nantucket window box:

Nantucket Post Cap Logo

  • Available in 2 styles, straight or scalloped
  • Comes in 2', 3', and 4' widths
  • All window planter boxes are 7" tall and 9" wide
  • Includes supporting braces

 All Nantucket Post Cap products are made in the U.S.A.


Most orders ship within 5 - 10 business days.

Please see our return policy for additional details.